Header And Logo
|
#include "postgres.h"#include <ctype.h>#include <float.h>#include <math.h>#include <limits.h>#include <unistd.h>#include <sys/stat.h>#include "access/gin.h"#include "access/transam.h"#include "access/twophase.h"#include "access/xact.h"#include "catalog/namespace.h"#include "commands/async.h"#include "commands/prepare.h"#include "commands/vacuum.h"#include "commands/variable.h"#include "commands/trigger.h"#include "funcapi.h"#include "libpq/auth.h"#include "libpq/be-fsstubs.h"#include "libpq/libpq.h"#include "libpq/pqformat.h"#include "miscadmin.h"#include "optimizer/cost.h"#include "optimizer/geqo.h"#include "optimizer/paths.h"#include "optimizer/planmain.h"#include "parser/parse_expr.h"#include "parser/parse_type.h"#include "parser/parser.h"#include "parser/scansup.h"#include "pgstat.h"#include "postmaster/autovacuum.h"#include "postmaster/bgworker.h"#include "postmaster/bgwriter.h"#include "postmaster/postmaster.h"#include "postmaster/syslogger.h"#include "postmaster/walwriter.h"#include "replication/syncrep.h"#include "replication/walreceiver.h"#include "replication/walsender.h"#include "storage/bufmgr.h"#include "storage/standby.h"#include "storage/fd.h"#include "storage/proc.h"#include "storage/predicate.h"#include "tcop/tcopprot.h"#include "tsearch/ts_cache.h"#include "utils/builtins.h"#include "utils/bytea.h"#include "utils/guc_tables.h"#include "utils/memutils.h"#include "utils/pg_locale.h"#include "utils/plancache.h"#include "utils/portal.h"#include "utils/ps_status.h"#include "utils/snapmgr.h"#include "utils/tzparser.h"#include "utils/xml.h"#include "guc-file.c"Go to the source code of this file.
Defines | |
| #define | PG_KRB_SRVTAB "" |
| #define | PG_KRB_SRVNAM "" |
| #define | CONFIG_FILENAME "postgresql.conf" |
| #define | HBA_FILENAME "pg_hba.conf" |
| #define | IDENT_FILENAME "pg_ident.conf" |
| #define | MAX_KILOBYTES (INT_MAX / 1024) |
| #define | KB_PER_MB (1024) |
| #define | KB_PER_GB (1024*1024) |
| #define | MS_PER_S 1000 |
| #define | S_PER_MIN 60 |
| #define | MS_PER_MIN (1000 * 60) |
| #define | MIN_PER_H 60 |
| #define | S_PER_H (60 * 60) |
| #define | MS_PER_H (1000 * 60 * 60) |
| #define | MIN_PER_D (60 * 24) |
| #define | S_PER_D (60 * 60 * 24) |
| #define | MS_PER_D (1000 * 60 * 60 * 24) |
| #define | NUM_PG_SETTINGS_ATTS 16 |
Functions | |
| static void | set_config_sourcefile (const char *name, char *sourcefile, int sourceline) |
| static bool | call_bool_check_hook (struct config_bool *conf, bool *newval, void **extra, GucSource source, int elevel) |
| static bool | call_int_check_hook (struct config_int *conf, int *newval, void **extra, GucSource source, int elevel) |
| static bool | call_real_check_hook (struct config_real *conf, double *newval, void **extra, GucSource source, int elevel) |
| static bool | call_string_check_hook (struct config_string *conf, char **newval, void **extra, GucSource source, int elevel) |
| static bool | call_enum_check_hook (struct config_enum *conf, int *newval, void **extra, GucSource source, int elevel) |
| static bool | check_log_destination (char **newval, void **extra, GucSource source) |
| static void | assign_log_destination (const char *newval, void *extra) |
| static void | assign_syslog_facility (int newval, void *extra) |
| static void | assign_syslog_ident (const char *newval, void *extra) |
| static void | assign_session_replication_role (int newval, void *extra) |
| static bool | check_temp_buffers (int *newval, void **extra, GucSource source) |
| static bool | check_phony_autocommit (bool *newval, void **extra, GucSource source) |
| static bool | check_debug_assertions (bool *newval, void **extra, GucSource source) |
| static bool | check_bonjour (bool *newval, void **extra, GucSource source) |
| static bool | check_ssl (bool *newval, void **extra, GucSource source) |
| static bool | check_stage_log_stats (bool *newval, void **extra, GucSource source) |
| static bool | check_log_stats (bool *newval, void **extra, GucSource source) |
| static bool | check_canonical_path (char **newval, void **extra, GucSource source) |
| static bool | check_timezone_abbreviations (char **newval, void **extra, GucSource source) |
| static void | assign_timezone_abbreviations (const char *newval, void *extra) |
| static void | pg_timezone_abbrev_initialize (void) |
| static const char * | show_archive_command (void) |
| static void | assign_tcp_keepalives_idle (int newval, void *extra) |
| static void | assign_tcp_keepalives_interval (int newval, void *extra) |
| static void | assign_tcp_keepalives_count (int newval, void *extra) |
| static const char * | show_tcp_keepalives_idle (void) |
| static const char * | show_tcp_keepalives_interval (void) |
| static const char * | show_tcp_keepalives_count (void) |
| static bool | check_maxconnections (int *newval, void **extra, GucSource source) |
| static bool | check_autovacuum_max_workers (int *newval, void **extra, GucSource source) |
| static bool | check_effective_io_concurrency (int *newval, void **extra, GucSource source) |
| static void | assign_effective_io_concurrency (int newval, void *extra) |
| static void | assign_pgstat_temp_directory (const char *newval, void *extra) |
| static bool | check_application_name (char **newval, void **extra, GucSource source) |
| static void | assign_application_name (const char *newval, void *extra) |
| static const char * | show_unix_socket_permissions (void) |
| static const char * | show_log_file_mode (void) |
| static char * | config_enum_get_options (struct config_enum *record, const char *prefix, const char *suffix, const char *separator) |
| static int | guc_var_compare (const void *a, const void *b) |
| static int | guc_name_compare (const char *namea, const char *nameb) |
| static void | InitializeGUCOptionsFromEnvironment (void) |
| static void | InitializeOneGUCOption (struct config_generic *gconf) |
| static void | push_old_value (struct config_generic *gconf, GucAction action) |
| static void | ReportGUCOption (struct config_generic *record) |
| static void | reapply_stacked_values (struct config_generic *variable, struct config_string *pHolder, GucStack *stack, const char *curvalue, GucContext curscontext, GucSource cursource) |
| static void | ShowGUCConfigOption (const char *name, DestReceiver *dest) |
| static void | ShowAllGUCConfig (DestReceiver *dest) |
| static char * | _ShowOption (struct config_generic *record, bool use_units) |
| static bool | validate_option_array_item (const char *name, const char *value, bool skipIfNoPermissions) |
| static void * | guc_malloc (int elevel, size_t size) |
| static void * | guc_realloc (int elevel, void *old, size_t size) |
| static char * | guc_strdup (int elevel, const char *src) |
| static bool | string_field_used (struct config_string *conf, char *strval) |
| static void | set_string_field (struct config_string *conf, char **field, char *newval) |
| static bool | extra_field_used (struct config_generic *gconf, void *extra) |
| static void | set_extra_field (struct config_generic *gconf, void **field, void *newval) |
| static void | set_stack_value (struct config_generic *gconf, config_var_value *val) |
| static void | discard_stack_value (struct config_generic *gconf, config_var_value *val) |
| struct config_generic ** | get_guc_variables (void) |
| void | build_guc_variables (void) |
| static bool | add_guc_variable (struct config_generic *var, int elevel) |
| static struct config_generic * | add_placeholder_variable (const char *name, int elevel) |
| static struct config_generic * | find_option (const char *name, bool create_placeholders, int elevel) |
| void | InitializeGUCOptions (void) |
| bool | SelectConfigFiles (const char *userDoption, const char *progname) |
| void | ResetAllOptions (void) |
| void | AtStart_GUC (void) |
| int | NewGUCNestLevel (void) |
| void | AtEOXact_GUC (bool isCommit, int nestLevel) |
| void | BeginReportingGUCOptions (void) |
| bool | parse_int (const char *value, int *result, int flags, const char **hintmsg) |
| bool | parse_real (const char *value, double *result) |
| const char * | config_enum_lookup_by_value (struct config_enum *record, int val) |
| bool | config_enum_lookup_by_name (struct config_enum *record, const char *value, int *retval) |
| int | set_config_option (const char *name, const char *value, GucContext context, GucSource source, GucAction action, bool changeVal, int elevel) |
| void | SetConfigOption (const char *name, const char *value, GucContext context, GucSource source) |
| const char * | GetConfigOption (const char *name, bool missing_ok, bool restrict_superuser) |
| const char * | GetConfigOptionResetString (const char *name) |
| static char * | flatten_set_variable_args (const char *name, List *args) |
| void | ExecSetVariableStmt (VariableSetStmt *stmt) |
| char * | ExtractSetVariableArgs (VariableSetStmt *stmt) |
| void | SetPGVariable (const char *name, List *args, bool is_local) |
| Datum | set_config_by_name (PG_FUNCTION_ARGS) |
| static struct config_generic * | init_custom_variable (const char *name, const char *short_desc, const char *long_desc, GucContext context, int flags, enum config_type type, size_t sz) |
| static void | define_custom_variable (struct config_generic *variable) |
| void | DefineCustomBoolVariable (const char *name, const char *short_desc, const char *long_desc, bool *valueAddr, bool bootValue, GucContext context, int flags, GucBoolCheckHook check_hook, GucBoolAssignHook assign_hook, GucShowHook show_hook) |
| void | DefineCustomIntVariable (const char *name, const char *short_desc, const char *long_desc, int *valueAddr, int bootValue, int minValue, int maxValue, GucContext context, int flags, GucIntCheckHook check_hook, GucIntAssignHook assign_hook, GucShowHook show_hook) |
| void | DefineCustomRealVariable (const char *name, const char *short_desc, const char *long_desc, double *valueAddr, double bootValue, double minValue, double maxValue, GucContext context, int flags, GucRealCheckHook check_hook, GucRealAssignHook assign_hook, GucShowHook show_hook) |
| void | DefineCustomStringVariable (const char *name, const char *short_desc, const char *long_desc, char **valueAddr, const char *bootValue, GucContext context, int flags, GucStringCheckHook check_hook, GucStringAssignHook assign_hook, GucShowHook show_hook) |
| void | DefineCustomEnumVariable (const char *name, const char *short_desc, const char *long_desc, int *valueAddr, int bootValue, const struct config_enum_entry *options, GucContext context, int flags, GucEnumCheckHook check_hook, GucEnumAssignHook assign_hook, GucShowHook show_hook) |
| void | EmitWarningsOnPlaceholders (const char *className) |
| void | GetPGVariable (const char *name, DestReceiver *dest) |
| TupleDesc | GetPGVariableResultDesc (const char *name) |
| char * | GetConfigOptionByName (const char *name, const char **varname) |
| void | GetConfigOptionByNum (int varnum, const char **values, bool *noshow) |
| int | GetNumConfigOptions (void) |
| Datum | show_config_by_name (PG_FUNCTION_ARGS) |
| Datum | show_all_settings (PG_FUNCTION_ARGS) |
| void | ParseLongOption (const char *string, char **name, char **value) |
| void | ProcessGUCArray (ArrayType *array, GucContext context, GucSource source, GucAction action) |
| ArrayType * | GUCArrayAdd (ArrayType *array, const char *name, const char *value) |
| ArrayType * | GUCArrayDelete (ArrayType *array, const char *name) |
| ArrayType * | GUCArrayReset (ArrayType *array) |
| void | GUC_check_errcode (int sqlerrcode) |
Variables | |
| bool | Log_disconnections |
| int | CommitDelay |
| int | CommitSiblings |
| char * | default_tablespace |
| char * | temp_tablespaces |
| bool | ignore_checksum_failure |
| bool | synchronize_seqscans |
| int | ssl_renegotiation_limit |
| char * | SSLCipherSuites |
| static int | GUC_check_errcode_value |
| char * | GUC_check_errmsg_string |
| char * | GUC_check_errdetail_string |
| char * | GUC_check_errhint_string |
| static int | syslog_facility = 0 |
| static struct config_enum_entry | bytea_output_options [] |
| static struct config_enum_entry | client_message_level_options [] |
| static struct config_enum_entry | server_message_level_options [] |
| static struct config_enum_entry | intervalstyle_options [] |
| static struct config_enum_entry | log_error_verbosity_options [] |
| static struct config_enum_entry | log_statement_options [] |
| static struct config_enum_entry | isolation_level_options [] |
| static struct config_enum_entry | session_replication_role_options [] |
| static struct config_enum_entry | syslog_facility_options [] |
| static struct config_enum_entry | track_function_options [] |
| static struct config_enum_entry | xmlbinary_options [] |
| static struct config_enum_entry | xmloption_options [] |
| static struct config_enum_entry | backslash_quote_options [] |
| static struct config_enum_entry | constraint_exclusion_options [] |
| static struct config_enum_entry | synchronous_commit_options [] |
| struct config_enum_entry | wal_level_options [] |
| struct config_enum_entry | sync_method_options [] |
| bool | assert_enabled = false |
| bool | log_duration = false |
| bool | Debug_print_plan = false |
| bool | Debug_print_parse = false |
| bool | Debug_print_rewritten = false |
| bool | Debug_pretty_print = true |
| bool | log_parser_stats = false |
| bool | log_planner_stats = false |
| bool | log_executor_stats = false |
| bool | log_statement_stats = false |
| bool | log_btree_build_stats = false |
| char * | event_source |
| bool | check_function_bodies = true |
| bool | default_with_oids = false |
| bool | SQL_inheritance = true |
| bool | Password_encryption = true |
| int | log_min_error_statement = ERROR |
| int | log_min_messages = WARNING |
| int | client_min_messages = NOTICE |
| int | log_min_duration_statement = -1 |
| int | log_temp_files = -1 |
| int | trace_recovery_messages = LOG |
| int | temp_file_limit = -1 |
| int | num_temp_buffers = 1024 |
| char * | data_directory |
| char * | ConfigFileName |
| char * | HbaFileName |
| char * | IdentFileName |
| char * | external_pid_file |
| char * | pgstat_temp_directory |
| char * | application_name |
| int | tcp_keepalives_idle |
| int | tcp_keepalives_interval |
| int | tcp_keepalives_count |
| static char * | log_destination_string |
| static char * | syslog_ident_str |
| static bool | phony_autocommit |
| static bool | session_auth_is_superuser |
| static double | phony_random_seed |
| static char * | client_encoding_string |
| static char * | datestyle_string |
| static char * | locale_collate |
| static char * | locale_ctype |
| static char * | server_encoding_string |
| static char * | server_version_string |
| static int | server_version_num |
| static char * | timezone_string |
| static char * | log_timezone_string |
| static char * | timezone_abbreviations_string |
| static char * | XactIsoLevel_string |
| static char * | session_authorization_string |
| static int | max_function_args |
| static int | max_index_keys |
| static int | max_identifier_length |
| static int | block_size |
| static int | segment_size |
| static int | wal_block_size |
| static int | wal_segment_size |
| static bool | integer_datetimes |
| static int | effective_io_concurrency |
| char * | role_string |
| const char *const | GucContext_Names [] |
| const char *const | GucSource_Names [] |
| const char *const | config_group_names [] |
| const char *const | config_type_names [] |
| static struct config_bool | ConfigureNamesBool [] |
| static struct config_int | ConfigureNamesInt [] |
| static struct config_real | ConfigureNamesReal [] |
| static struct config_string | ConfigureNamesString [] |
| static struct config_enum | ConfigureNamesEnum [] |
| static const char *const | map_old_guc_names [] |
| static struct config_generic ** | guc_variables |
| static int | num_guc_variables |
| static int | size_guc_variables |
| static bool | guc_dirty |
| static bool | reporting_enabled |
| static int | GUCNestLevel = 0 |
| #define CONFIG_FILENAME "postgresql.conf" |
Definition at line 89 of file guc.c.
Referenced by SelectConfigFiles().
| #define HBA_FILENAME "pg_hba.conf" |
Definition at line 90 of file guc.c.
Referenced by SelectConfigFiles().
| #define IDENT_FILENAME "pg_ident.conf" |
Definition at line 91 of file guc.c.
Referenced by SelectConfigFiles().
| #define KB_PER_GB (1024*1024) |
Definition at line 107 of file guc.c.
Referenced by _ShowOption(), and parse_int().
| #define KB_PER_MB (1024) |
Definition at line 106 of file guc.c.
Referenced by _ShowOption(), and parse_int().
| #define MS_PER_D (1000 * 60 * 60 * 24) |
Definition at line 117 of file guc.c.
Referenced by _ShowOption().
| #define MS_PER_H (1000 * 60 * 60) |
Definition at line 114 of file guc.c.
Referenced by _ShowOption().
| #define MS_PER_MIN (1000 * 60) |
Definition at line 111 of file guc.c.
Referenced by _ShowOption().
| #define MS_PER_S 1000 |
Definition at line 109 of file guc.c.
Referenced by _ShowOption().
| #define NUM_PG_SETTINGS_ATTS 16 |
Definition at line 7220 of file guc.c.
Referenced by show_all_settings().
| static char * _ShowOption | ( | struct config_generic * | record, | |
| bool | use_units | |||
| ) | [static] |
Definition at line 7341 of file guc.c.
References config_enum_lookup_by_value(), config_generic::flags, GUC_UNIT_BLOCKS, GUC_UNIT_MEMORY, GUC_UNIT_MIN, GUC_UNIT_S, GUC_UNIT_TIME, GUC_UNIT_XBLOCKS, KB_PER_GB, KB_PER_MB, MS_PER_D, MS_PER_H, MS_PER_MIN, MS_PER_S, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_STRING, pstrdup(), config_enum::show_hook, config_string::show_hook, config_real::show_hook, config_int::show_hook, config_bool::show_hook, snprintf(), val, config_enum::variable, config_string::variable, config_real::variable, config_int::variable, config_bool::variable, and config_generic::vartype.
Referenced by GetConfigOptionByName(), GetConfigOptionByNum(), ReportGUCOption(), and ShowAllGUCConfig().
{
char buffer[256];
const char *val;
switch (record->vartype)
{
case PGC_BOOL:
{
struct config_bool *conf = (struct config_bool *) record;
if (conf->show_hook)
val = (*conf->show_hook) ();
else
val = *conf->variable ? "on" : "off";
}
break;
case PGC_INT:
{
struct config_int *conf = (struct config_int *) record;
if (conf->show_hook)
val = (*conf->show_hook) ();
else
{
/*
* Use int64 arithmetic to avoid overflows in units
* conversion.
*/
int64 result = *conf->variable;
const char *unit;
if (use_units && result > 0 &&
(record->flags & GUC_UNIT_MEMORY))
{
switch (record->flags & GUC_UNIT_MEMORY)
{
case GUC_UNIT_BLOCKS:
result *= BLCKSZ / 1024;
break;
case GUC_UNIT_XBLOCKS:
result *= XLOG_BLCKSZ / 1024;
break;
}
if (result % KB_PER_GB == 0)
{
result /= KB_PER_GB;
unit = "GB";
}
else if (result % KB_PER_MB == 0)
{
result /= KB_PER_MB;
unit = "MB";
}
else
{
unit = "kB";
}
}
else if (use_units && result > 0 &&
(record->flags & GUC_UNIT_TIME))
{
switch (record->flags & GUC_UNIT_TIME)
{
case GUC_UNIT_S:
result *= MS_PER_S;
break;
case GUC_UNIT_MIN:
result *= MS_PER_MIN;
break;
}
if (result % MS_PER_D == 0)
{
result /= MS_PER_D;
unit = "d";
}
else if (result % MS_PER_H == 0)
{
result /= MS_PER_H;
unit = "h";
}
else if (result % MS_PER_MIN == 0)
{
result /= MS_PER_MIN;
unit = "min";
}
else if (result % MS_PER_S == 0)
{
result /= MS_PER_S;
unit = "s";
}
else
{
unit = "ms";
}
}
else
unit = "";
snprintf(buffer, sizeof(buffer), INT64_FORMAT "%s",
result, unit);
val = buffer;
}
}
break;
case PGC_REAL:
{
struct config_real *conf = (struct config_real *) record;
if (conf->show_hook)
val = (*conf->show_hook) ();
else
{
snprintf(buffer, sizeof(buffer), "%g",
*conf->variable);
val = buffer;
}
}
break;
case PGC_STRING:
{
struct config_string *conf = (struct config_string *) record;
if (conf->show_hook)
val = (*conf->show_hook) ();
else if (*conf->variable && **conf->variable)
val = *conf->variable;
else
val = "";
}
break;
case PGC_ENUM:
{
struct config_enum *conf = (struct config_enum *) record;
if (conf->show_hook)
val = (*conf->show_hook) ();
else
val = config_enum_lookup_by_value(conf, *conf->variable);
}
break;
default:
/* just to keep compiler quiet */
val = "???";
break;
}
return pstrdup(val);
}
| static bool add_guc_variable | ( | struct config_generic * | var, | |
| int | elevel | |||
| ) | [static] |
Definition at line 3695 of file guc.c.
References guc_malloc(), guc_realloc(), guc_var_compare(), NULL, and qsort.
Referenced by add_placeholder_variable(), and define_custom_variable().
{
if (num_guc_variables + 1 >= size_guc_variables)
{
/*
* Increase the vector by 25%
*/
int size_vars = size_guc_variables + size_guc_variables / 4;
struct config_generic **guc_vars;
if (size_vars == 0)
{
size_vars = 100;
guc_vars = (struct config_generic **)
guc_malloc(elevel, size_vars * sizeof(struct config_generic *));
}
else
{
guc_vars = (struct config_generic **)
guc_realloc(elevel, guc_variables, size_vars * sizeof(struct config_generic *));
}
if (guc_vars == NULL)
return false; /* out of memory */
guc_variables = guc_vars;
size_guc_variables = size_vars;
}
guc_variables[num_guc_variables++] = var;
qsort((void *) guc_variables, num_guc_variables,
sizeof(struct config_generic *), guc_var_compare);
return true;
}
| static struct config_generic* add_placeholder_variable | ( | const char * | name, | |
| int | elevel | |||
| ) | [static, read] |
Definition at line 3733 of file guc.c.
References add_guc_variable(), config_generic::context, config_generic::flags, free, config_string::gen, config_generic::group, guc_malloc(), GUC_NO_SHOW_ALL, GUC_NOT_IN_SAMPLE, guc_strdup(), config_generic::name, NULL, config_generic::short_desc, config_string::variable, and config_generic::vartype.
Referenced by find_option().
{
size_t sz = sizeof(struct config_string) + sizeof(char *);
struct config_string *var;
struct config_generic *gen;
var = (struct config_string *) guc_malloc(elevel, sz);
if (var == NULL)
return NULL;
memset(var, 0, sz);
gen = &var->gen;
gen->name = guc_strdup(elevel, name);
if (gen->name == NULL)
{
free(var);
return NULL;
}
gen->context = PGC_USERSET;
gen->group = CUSTOM_OPTIONS;
gen->short_desc = "GUC placeholder variable";
gen->flags = GUC_NO_SHOW_ALL | GUC_NOT_IN_SAMPLE | GUC_CUSTOM_PLACEHOLDER;
gen->vartype = PGC_STRING;
/*
* The char* is allocated at the end of the struct since we have no
* 'static' place to point to. Note that the current value, as well as
* the boot and reset values, start out NULL.
*/
var->variable = (char **) (var + 1);
if (!add_guc_variable((struct config_generic *) var, elevel))
{
free((void *) gen->name);
free(var);
return NULL;
}
return gen;
}
| static void assign_application_name | ( | const char * | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8776 of file guc.c.
References pgstat_report_appname().
{
/* Update the pg_stat_activity view */
pgstat_report_appname(newval);
}
| static void assign_effective_io_concurrency | ( | int | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8724 of file guc.c.
References target_prefetch_pages.
{
#ifdef USE_PREFETCH
target_prefetch_pages = *((int *) extra);
#endif /* USE_PREFETCH */
}
| static void assign_log_destination | ( | const char * | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8379 of file guc.c.
References Log_destination.
{
Log_destination = *((int *) extra);
}
| static void assign_pgstat_temp_directory | ( | const char * | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8732 of file guc.c.
References ERROR, free, guc_malloc(), pgstat_stat_directory, pgstat_stat_filename, and pgstat_stat_tmpname.
{
/* check_canonical_path already canonicalized newval for us */
char *dname;
char *tname;
char *fname;
/* directory */
dname = guc_malloc(ERROR, strlen(newval) + 1); /* runtime dir */
sprintf(dname, "%s", newval);
/* global stats */
tname = guc_malloc(ERROR, strlen(newval) + 12); /* /global.tmp */
sprintf(tname, "%s/global.tmp", newval);
fname = guc_malloc(ERROR, strlen(newval) + 13); /* /global.stat */
sprintf(fname, "%s/global.stat", newval);
if (pgstat_stat_directory)
free(pgstat_stat_directory);
pgstat_stat_directory = dname;
if (pgstat_stat_tmpname)
free(pgstat_stat_tmpname);
pgstat_stat_tmpname = tname;
if (pgstat_stat_filename)
free(pgstat_stat_filename);
pgstat_stat_filename = fname;
}
| static void assign_session_replication_role | ( | int | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8405 of file guc.c.
References ResetPlanCache(), and SessionReplicationRole.
{
/*
* Must flush the plan cache when changing replication role; but don't
* flush unnecessarily.
*/
if (SessionReplicationRole != newval)
ResetPlanCache();
}
| static void assign_syslog_facility | ( | int | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8385 of file guc.c.
References syslog_ident_str.
{
#ifdef HAVE_SYSLOG
set_syslog_parameters(syslog_ident_str ? syslog_ident_str : "postgres",
newval);
#endif
/* Without syslog support, just ignore it */
}
| static void assign_syslog_ident | ( | const char * | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8395 of file guc.c.
References syslog_facility.
{
#ifdef HAVE_SYSLOG
set_syslog_parameters(newval, syslog_facility);
#endif
/* Without syslog support, it will always be set to "none", so ignore */
}
| static void assign_tcp_keepalives_count | ( | int | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8629 of file guc.c.
References MyProcPort, and pq_setkeepalivescount().
{
/* See comments in assign_tcp_keepalives_idle */
(void) pq_setkeepalivescount(newval, MyProcPort);
}
| static void assign_tcp_keepalives_idle | ( | int | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8585 of file guc.c.
References MyProcPort, and pq_setkeepalivesidle().
{
/*
* The kernel API provides no way to test a value without setting it; and
* once we set it we might fail to unset it. So there seems little point
* in fully implementing the check-then-assign GUC API for these
* variables. Instead we just do the assignment on demand. pqcomm.c
* reports any problems via elog(LOG).
*
* This approach means that the GUC value might have little to do with the
* actual kernel value, so we use a show_hook that retrieves the kernel
* value rather than trusting GUC's copy.
*/
(void) pq_setkeepalivesidle(newval, MyProcPort);
}
| static void assign_tcp_keepalives_interval | ( | int | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8612 of file guc.c.
References MyProcPort, and pq_setkeepalivesinterval().
{
/* See comments in assign_tcp_keepalives_idle */
(void) pq_setkeepalivesinterval(newval, MyProcPort);
}
| static void assign_timezone_abbreviations | ( | const char * | newval, | |
| void * | extra | |||
| ) | [static] |
Definition at line 8549 of file guc.c.
References InstallTimeZoneAbbrevs().
{
/* Do nothing for the boot_val default of NULL */
if (!extra)
return;
InstallTimeZoneAbbrevs((TimeZoneAbbrevTable *) extra);
}
| void AtEOXact_GUC | ( | bool | isCommit, | |
| int | nestLevel | |||
| ) |
Definition at line 4464 of file guc.c.
References Assert, config_enum::assign_hook, config_string::assign_hook, config_real::assign_hook, config_int::assign_hook, config_bool::assign_hook, config_var_val::boolval, discard_stack_value(), config_var_val::enumval, config_generic::extra, config_var_value::extra, config_generic::flags, config_enum::gen, config_string::gen, config_real::gen, config_int::gen, config_bool::gen, GUC_LOCAL, GUC_REPORT, GUC_SAVE, GUC_SET, GUC_SET_LOCAL, i, config_var_val::intval, guc_stack::masked, guc_stack::masked_scontext, guc_stack::nest_level, NULL, pfree(), PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_STRING, guc_stack::prev, guc_stack::prior, config_var_val::realval, ReportGUCOption(), config_generic::scontext, guc_stack::scontext, set_extra_field(), set_string_field(), config_generic::source, guc_stack::source, config_generic::stack, guc_stack::state, config_var_val::stringval, config_var_value::val, config_enum::variable, config_string::variable, config_real::variable, config_int::variable, config_bool::variable, and config_generic::vartype.
Referenced by AbortSubTransaction(), AbortTransaction(), CommitSubTransaction(), CommitTransaction(), do_analyze_rel(), execute_extension_script(), fmgr_security_definer(), index_build(), PrepareTransaction(), ProcedureCreate(), reset_transmission_modes(), restoreLocalGucs(), RI_Initial_Check(), vacuum_rel(), and validate_index().
{
bool still_dirty;
int i;
/*
* Note: it's possible to get here with GUCNestLevel == nestLevel-1 during
* abort, if there is a failure during transaction start before
* AtStart_GUC is called.
*/
Assert(nestLevel > 0 &&
(nestLevel <= GUCNestLevel ||
(nestLevel == GUCNestLevel + 1 && !isCommit)));
/* Quick exit if nothing's changed in this transaction */
if (!guc_dirty)
{
GUCNestLevel = nestLevel - 1;
return;
}
still_dirty = false;
for (i = 0; i < num_guc_variables; i++)
{
struct config_generic *gconf = guc_variables[i];
GucStack *stack;
/*
* Process and pop each stack entry within the nest level. To simplify
* fmgr_security_definer() and other places that use GUC_ACTION_SAVE,
* we allow failure exit from code that uses a local nest level to be
* recovered at the surrounding transaction or subtransaction abort;
* so there could be more than one stack entry to pop.
*/
while ((stack = gconf->stack) != NULL &&
stack->nest_level >= nestLevel)
{
GucStack *prev = stack->prev;
bool restorePrior = false;
bool restoreMasked = false;
bool changed;
/*
* In this next bit, if we don't set either restorePrior or
* restoreMasked, we must "discard" any unwanted fields of the
* stack entries to avoid leaking memory. If we do set one of
* those flags, unused fields will be cleaned up after restoring.
*/
if (!isCommit) /* if abort, always restore prior value */
restorePrior = true;
else if (stack->state == GUC_SAVE)
restorePrior = true;
else if (stack->nest_level == 1)
{
/* transaction commit */
if (stack->state == GUC_SET_LOCAL)
restoreMasked = true;
else if (stack->state == GUC_SET)
{
/* we keep the current active value */
discard_stack_value(gconf, &stack->prior);
}
else /* must be GUC_LOCAL */
restorePrior = true;
}
else if (prev == NULL ||
prev->nest_level < stack->nest_level - 1)
{
/* decrement entry's level and do not pop it */
stack->nest_level--;
continue;
}
else
{
/*
* We have to merge this stack entry into prev. See README for
* discussion of this bit.
*/
switch (stack->state)
{
case GUC_SAVE:
Assert(false); /* can't get here */
case GUC_SET:
/* next level always becomes SET */
discard_stack_value(gconf, &stack->prior);
if (prev->state == GUC_SET_LOCAL)
discard_stack_value(gconf, &prev->masked);
prev->state = GUC_SET;
break;
case GUC_LOCAL:
if (prev->state == GUC_SET)
{
/* LOCAL migrates down */
prev->masked_scontext = stack->scontext;
prev->masked = stack->prior;
prev->state = GUC_SET_LOCAL;
}
else
{
/* else just forget this stack level */
discard_stack_value(gconf, &stack->prior);
}
break;
case GUC_SET_LOCAL:
/* prior state at this level no longer wanted */
discard_stack_value(gconf, &stack->prior);
/* copy down the masked state */
prev->masked_scontext = stack->masked_scontext;
if (prev->state == GUC_SET_LOCAL)
discard_stack_value(gconf, &prev->masked);
prev->masked = stack->masked;
prev->state = GUC_SET_LOCAL;
break;
}
}
changed = false;
if (restorePrior || restoreMasked)
{
/* Perform appropriate restoration of the stacked value */
config_var_value newvalue;
GucSource newsource;
GucContext newscontext;
if (restoreMasked)
{
newvalue = stack->masked;
newsource = PGC_S_SESSION;
newscontext = stack->masked_scontext;
}
else
{
newvalue = stack->prior;
newsource = stack->source;
newscontext = stack->scontext;
}
switch (gconf->vartype)
{
case PGC_BOOL:
{
struct config_bool *conf = (struct config_bool *) gconf;
bool newval = newvalue.val.boolval;
void *newextra = newvalue.extra;
if (*conf->variable != newval ||
conf->gen.extra != newextra)
{
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
*conf->variable = newval;
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
changed = true;
}
break;
}
case PGC_INT:
{
struct config_int *conf = (struct config_int *) gconf;
int newval = newvalue.val.intval;
void *newextra = newvalue.extra;
if (*conf->variable != newval ||
conf->gen.extra != newextra)
{
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
*conf->variable = newval;
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
changed = true;
}
break;
}
case PGC_REAL:
{
struct config_real *conf = (struct config_real *) gconf;
double newval = newvalue.val.realval;
void *newextra = newvalue.extra;
if (*conf->variable != newval ||
conf->gen.extra != newextra)
{
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
*conf->variable = newval;
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
changed = true;
}
break;
}
case PGC_STRING:
{
struct config_string *conf = (struct config_string *) gconf;
char *newval = newvalue.val.stringval;
void *newextra = newvalue.extra;
if (*conf->variable != newval ||
conf->gen.extra != newextra)
{
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
set_string_field(conf, conf->variable, newval);
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
changed = true;
}
/*
* Release stacked values if not used anymore. We
* could use discard_stack_value() here, but since
* we have type-specific code anyway, might as
* well inline it.
*/
set_string_field(conf, &stack->prior.val.stringval, NULL);
set_string_field(conf, &stack->masked.val.stringval, NULL);
break;
}
case PGC_ENUM:
{
struct config_enum *conf = (struct config_enum *) gconf;
int newval = newvalue.val.enumval;
void *newextra = newvalue.extra;
if (*conf->variable != newval ||
conf->gen.extra != newextra)
{
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
*conf->variable = newval;
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
changed = true;
}
break;
}
}
/*
* Release stacked extra values if not used anymore.
*/
set_extra_field(gconf, &(stack->prior.extra), NULL);
set_extra_field(gconf, &(stack->masked.extra), NULL);
/* And restore source information */
gconf->source = newsource;
gconf->scontext = newscontext;
}
/* Finish popping the state stack */
gconf->stack = prev;
pfree(stack);
/* Report new value if we changed it */
if (changed && (gconf->flags & GUC_REPORT))
ReportGUCOption(gconf);
} /* end of stack-popping loop */
if (stack != NULL)
still_dirty = true;
}
/* If there are no remaining stack entries, we can reset guc_dirty */
guc_dirty = still_dirty;
/* Update nesting level */
GUCNestLevel = nestLevel - 1;
}
| void AtStart_GUC | ( | void | ) |
Definition at line 4430 of file guc.c.
Referenced by StartTransaction().
{
/*
* The nest level should be 0 between transactions; if it isn't, somebody
* didn't call AtEOXact_GUC, or called it with the wrong nestLevel. We
* throw a warning but make no other effort to clean up.
*/
if (GUCNestLevel != 0)
elog(WARNING, "GUC nest level = %d at transaction start",
GUCNestLevel);
GUCNestLevel = 1;
}
| void BeginReportingGUCOptions | ( | void | ) |
Definition at line 4745 of file guc.c.
References DestRemote, config_generic::flags, FrontendProtocol, GUC_REPORT, i, PG_PROTOCOL_MAJOR, ReportGUCOption(), and whereToSendOutput.
Referenced by PostgresMain().
{
int i;
/*
* Don't do anything unless talking to an interactive frontend of protocol
* 3.0 or later.
*/
if (whereToSendOutput != DestRemote ||
PG_PROTOCOL_MAJOR(FrontendProtocol) < 3)
return;
reporting_enabled = true;
/* Transmit initial values of interesting variables */
for (i = 0; i < num_guc_variables; i++)
{
struct config_generic *conf = guc_variables[i];
if (conf->flags & GUC_REPORT)
ReportGUCOption(conf);
}
}
| void build_guc_variables | ( | void | ) |
Definition at line 3608 of file guc.c.
References FATAL, free, config_enum::gen, config_string::gen, config_real::gen, config_int::gen, config_bool::gen, guc_malloc(), guc_var_compare(), i, config_generic::name, qsort, and config_generic::vartype.
Referenced by GucInfoMain(), and InitializeGUCOptions().
{
int size_vars;
int num_vars = 0;
struct config_generic **guc_vars;
int i;
for (i = 0; ConfigureNamesBool[i].gen.name; i++)
{
struct config_bool *conf = &ConfigureNamesBool[i];
/* Rather than requiring vartype to be filled in by hand, do this: */
conf->gen.vartype = PGC_BOOL;
num_vars++;
}
for (i = 0; ConfigureNamesInt[i].gen.name; i++)
{
struct config_int *conf = &ConfigureNamesInt[i];
conf->gen.vartype = PGC_INT;
num_vars++;
}
for (i = 0; ConfigureNamesReal[i].gen.name; i++)
{
struct config_real *conf = &ConfigureNamesReal[i];
conf->gen.vartype = PGC_REAL;
num_vars++;
}
for (i = 0; ConfigureNamesString[i].gen.name; i++)
{
struct config_string *conf = &ConfigureNamesString[i];
conf->gen.vartype = PGC_STRING;
num_vars++;
}
for (i = 0; ConfigureNamesEnum[i].gen.name; i++)
{
struct config_enum *conf = &ConfigureNamesEnum[i];
conf->gen.vartype = PGC_ENUM;
num_vars++;
}
/*
* Create table with 20% slack
*/
size_vars = num_vars + num_vars / 4;
guc_vars = (struct config_generic **)
guc_malloc(FATAL, size_vars * sizeof(struct config_generic *));
num_vars = 0;
for (i = 0; ConfigureNamesBool[i].gen.name; i++)
guc_vars[num_vars++] = &ConfigureNamesBool[i].gen;
for (i = 0; ConfigureNamesInt[i].gen.name; i++)
guc_vars[num_vars++] = &ConfigureNamesInt[i].gen;
for (i = 0; ConfigureNamesReal[i].gen.name; i++)
guc_vars[num_vars++] = &ConfigureNamesReal[i].gen;
for (i = 0; ConfigureNamesString[i].gen.name; i++)
guc_vars[num_vars++] = &ConfigureNamesString[i].gen;
for (i = 0; ConfigureNamesEnum[i].gen.name; i++)
guc_vars[num_vars++] = &ConfigureNamesEnum[i].gen;
if (guc_variables)
free(guc_variables);
guc_variables = guc_vars;
num_guc_variables = num_vars;
size_guc_variables = size_vars;
qsort((void *) guc_variables, num_guc_variables,
sizeof(struct config_generic *), guc_var_compare);
}
| static bool call_bool_check_hook | ( | struct config_bool * | conf, | |
| bool * | newval, | |||
| void ** | extra, | |||
| GucSource | source, | |||
| int | elevel | |||
| ) | [static] |
Definition at line 8146 of file guc.c.
References config_bool::check_hook, ereport, errcode(), errdetail_internal(), errhint(), errmsg(), errmsg_internal(), FlushErrorState(), config_bool::gen, GUC_check_errcode_value, GUC_check_errdetail_string, GUC_check_errhint_string, GUC_check_errmsg_string, and config_generic::name.
Referenced by InitializeOneGUCOption(), and set_config_option().
{
/* Quick success if no hook */
if (!conf->check_hook)
return true;
/* Reset variables that might be set by hook */
GUC_check_errcode_value = ERRCODE_INVALID_PARAMETER_VALUE;
GUC_check_errmsg_string = NULL;
GUC_check_errdetail_string = NULL;
GUC_check_errhint_string = NULL;
if (!(*conf->check_hook) (newval, extra, source))
{
ereport(elevel,
(errcode(GUC_check_errcode_value),
GUC_check_errmsg_string ?
errmsg_internal("%s", GUC_check_errmsg_string) :
errmsg("invalid value for parameter \"%s\": %d",
conf->gen.name, (int) *newval),
GUC_check_errdetail_string ?
errdetail_internal("%s", GUC_check_errdetail_string) : 0,
GUC_check_errhint_string ?
errhint("%s", GUC_check_errhint_string) : 0));
/* Flush any strings created in ErrorContext */
FlushErrorState();
return false;
}
return true;
}
| static bool call_enum_check_hook | ( | struct config_enum * | conf, | |
| int * | newval, | |||
| void ** | extra, | |||
| GucSource | source, | |||
| int | elevel | |||
| ) | [static] |
Definition at line 8282 of file guc.c.
References config_enum::check_hook, config_enum_lookup_by_value(), ereport, errcode(), errdetail_internal(), errhint(), errmsg(), errmsg_internal(), FlushErrorState(), config_enum::gen, GUC_check_errcode_value, GUC_check_errdetail_string, GUC_check_errhint_string, GUC_check_errmsg_string, and config_generic::name.
Referenced by InitializeOneGUCOption(), and set_config_option().
{
/* Quick success if no hook */
if (!conf->check_hook)
return true;
/* Reset variables that might be set by hook */
GUC_check_errcode_value = ERRCODE_INVALID_PARAMETER_VALUE;
GUC_check_errmsg_string = NULL;
GUC_check_errdetail_string = NULL;
GUC_check_errhint_string = NULL;
if (!(*conf->check_hook) (newval, extra, source))
{
ereport(elevel,
(errcode(GUC_check_errcode_value),
GUC_check_errmsg_string ?
errmsg_internal("%s", GUC_check_errmsg_string) :
errmsg("invalid value for parameter \"%s\": \"%s\"",
conf->gen.name,
config_enum_lookup_by_value(conf, *newval)),
GUC_check_errdetail_string ?
errdetail_internal("%s", GUC_check_errdetail_string) : 0,
GUC_check_errhint_string ?
errhint("%s", GUC_check_errhint_string) : 0));
/* Flush any strings created in ErrorContext */
FlushErrorState();
return false;
}
return true;
}
| static bool call_int_check_hook | ( | struct config_int * | conf, | |
| int * | newval, | |||
| void ** | extra, | |||
| GucSource | source, | |||
| int | elevel | |||
| ) | [static] |
Definition at line 8180 of file guc.c.
References config_int::check_hook, ereport, errcode(), errdetail_internal(), errhint(), errmsg(), errmsg_internal(), FlushErrorState(), config_int::gen, GUC_check_errcode_value, GUC_check_errdetail_string, GUC_check_errhint_string, GUC_check_errmsg_string, and config_generic::name.
Referenced by InitializeOneGUCOption(), and set_config_option().
{
/* Quick success if no hook */
if (!conf->check_hook)
return true;
/* Reset variables that might be set by hook */
GUC_check_errcode_value = ERRCODE_INVALID_PARAMETER_VALUE;
GUC_check_errmsg_string = NULL;
GUC_check_errdetail_string = NULL;
GUC_check_errhint_string = NULL;
if (!(*conf->check_hook) (newval, extra, source))
{
ereport(elevel,
(errcode(GUC_check_errcode_value),
GUC_check_errmsg_string ?
errmsg_internal("%s", GUC_check_errmsg_string) :
errmsg("invalid value for parameter \"%s\": %d",
conf->gen.name, *newval),
GUC_check_errdetail_string ?
errdetail_internal("%s", GUC_check_errdetail_string) : 0,
GUC_check_errhint_string ?
errhint("%s", GUC_check_errhint_string) : 0));
/* Flush any strings created in ErrorContext */
FlushErrorState();
return false;
}
return true;
}
| static bool call_real_check_hook | ( | struct config_real * | conf, | |
| double * | newval, | |||
| void ** | extra, | |||
| GucSource | source, | |||
| int | elevel | |||
| ) | [static] |
Definition at line 8214 of file guc.c.
References config_real::check_hook, ereport, errcode(), errdetail_internal(), errhint(), errmsg(), errmsg_internal(), FlushErrorState(), config_real::gen, GUC_check_errcode_value, GUC_check_errdetail_string, GUC_check_errhint_string, GUC_check_errmsg_string, and config_generic::name.
Referenced by InitializeOneGUCOption(), and set_config_option().
{
/* Quick success if no hook */
if (!conf->check_hook)
return true;
/* Reset variables that might be set by hook */
GUC_check_errcode_value = ERRCODE_INVALID_PARAMETER_VALUE;
GUC_check_errmsg_string = NULL;
GUC_check_errdetail_string = NULL;
GUC_check_errhint_string = NULL;
if (!(*conf->check_hook) (newval, extra, source))
{
ereport(elevel,
(errcode(GUC_check_errcode_value),
GUC_check_errmsg_string ?
errmsg_internal("%s", GUC_check_errmsg_string) :
errmsg("invalid value for parameter \"%s\": %g",
conf->gen.name, *newval),
GUC_check_errdetail_string ?
errdetail_internal("%s", GUC_check_errdetail_string) : 0,
GUC_check_errhint_string ?
errhint("%s", GUC_check_errhint_string) : 0));
/* Flush any strings created in ErrorContext */
FlushErrorState();
return false;
}
return true;
}
| static bool call_string_check_hook | ( | struct config_string * | conf, | |
| char ** | newval, | |||
| void ** | extra, | |||
| GucSource | source, | |||
| int | elevel | |||
| ) | [static] |
Definition at line 8248 of file guc.c.
References config_string::check_hook, ereport, errcode(), errdetail_internal(), errhint(), errmsg(), errmsg_internal(), FlushErrorState(), config_string::gen, GUC_check_errcode_value, GUC_check_errdetail_string, GUC_check_errhint_string, GUC_check_errmsg_string, and config_generic::name.
Referenced by InitializeOneGUCOption(), and set_config_option().
{
/* Quick success if no hook */
if (!conf->check_hook)
return true;
/* Reset variables that might be set by hook */
GUC_check_errcode_value = ERRCODE_INVALID_PARAMETER_VALUE;
GUC_check_errmsg_string = NULL;
GUC_check_errdetail_string = NULL;
GUC_check_errhint_string = NULL;
if (!(*conf->check_hook) (newval, extra, source))
{
ereport(elevel,
(errcode(GUC_check_errcode_value),
GUC_check_errmsg_string ?
errmsg_internal("%s", GUC_check_errmsg_string) :
errmsg("invalid value for parameter \"%s\": \"%s\"",
conf->gen.name, *newval ? *newval : ""),
GUC_check_errdetail_string ?
errdetail_internal("%s", GUC_check_errdetail_string) : 0,
GUC_check_errhint_string ?
errhint("%s", GUC_check_errhint_string) : 0));
/* Flush any strings created in ErrorContext */
FlushErrorState();
return false;
}
return true;
}
Definition at line 8655 of file guc.c.
References GetNumShmemAttachedBgworkers(), MAX_BACKENDS, and MaxConnections.
{
if (MaxConnections + *newval + 1 + GetNumShmemAttachedBgworkers() >
MAX_BACKENDS)
return false;
return true;
}
Definition at line 8455 of file guc.c.
References GUC_check_errmsg.
{
#ifndef USE_BONJOUR
if (*newval)
{
GUC_check_errmsg("Bonjour is not supported by this build");
return false;
}
#endif
return true;
}
Definition at line 8506 of file guc.c.
References canonicalize_path().
{
/*
* Since canonicalize_path never enlarges the string, we can just modify
* newval in-place. But watch out for NULL, which is the default value
* for external_pid_file.
*/
if (*newval)
canonicalize_path(*newval);
return true;
}
Definition at line 8442 of file guc.c.
References GUC_check_errmsg.
{
#ifndef USE_ASSERT_CHECKING
if (*newval)
{
GUC_check_errmsg("assertion checking is not supported by this build");
return false;
}
#endif
return true;
}
| static bool check_effective_io_concurrency | ( | int * | newval, | |
| void ** | extra, | |||
| GucSource | source | |||
| ) | [static] |
Definition at line 8664 of file guc.c.
References ERROR, guc_malloc(), and rint().
{
#ifdef USE_PREFETCH
double new_prefetch_pages = 0.0;
int i;
/*----------
* The user-visible GUC parameter is the number of drives (spindles),
* which we need to translate to a number-of-pages-to-prefetch target.
* The target value is stashed in *extra and then assigned to the actual
* variable by assign_effective_io_concurrency.
*
* The expected number of prefetch pages needed to keep N drives busy is:
*
* drives | I/O requests
* -------+----------------
* 1 | 1
* 2 | 2/1 + 2/2 = 3
* 3 | 3/1 + 3/2 + 3/3 = 5 1/2
* 4 | 4/1 + 4/2 + 4/3 + 4/4 = 8 1/3
* n | n * H(n)
*
* This is called the "coupon collector problem" and H(n) is called the
* harmonic series. This could be approximated by n * ln(n), but for
* reasonable numbers of drives we might as well just compute the series.
*
* Alternatively we could set the target to the number of pages necessary
* so that the expected number of active spindles is some arbitrary
* percentage of the total. This sounds the same but is actually slightly
* different. The result ends up being ln(1-P)/ln((n-1)/n) where P is
* that desired fraction.
*
* Experimental results show that both of these formulas aren't aggressive
* enough, but we don't really have any better proposals.
*
* Note that if *newval = 0 (disabled), we must set target = 0.
*----------
*/
for (i = 1; i <= *newval; i++)
new_prefetch_pages += (double) *newval / (double) i;
/* This range check shouldn't fail, but let's be paranoid */
if (new_prefetch_pages >= 0.0 && new_prefetch_pages < (double) INT_MAX)
{
int *myextra = (int *) guc_malloc(ERROR, sizeof(int));
*myextra = (int) rint(new_prefetch_pages);
*extra = (void *) myextra;
return true;
}
else
return false;
#else
return true;
#endif /* USE_PREFETCH */
}
Definition at line 8322 of file guc.c.
References ERROR, GUC_check_errdetail, guc_malloc(), lfirst, list_free(), LOG_DESTINATION_CSVLOG, LOG_DESTINATION_EVENTLOG, LOG_DESTINATION_STDERR, LOG_DESTINATION_SYSLOG, pfree(), pg_strcasecmp(), pstrdup(), and SplitIdentifierString().
{
char *rawstring;
List *elemlist;
ListCell *l;
int newlogdest = 0;
int *myextra;
/* Need a modifiable copy of string */
rawstring = pstrdup(*newval);
/* Parse string into list of identifiers */
if (!SplitIdentifierString(rawstring, ',', &elemlist))
{
/* syntax error in list */
GUC_check_errdetail("List syntax is invalid.");
pfree(rawstring);
list_free(elemlist);
return false;
}
foreach(l, elemlist)
{
char *tok = (char *) lfirst(l);
if (pg_strcasecmp(tok, "stderr") == 0)
newlogdest |= LOG_DESTINATION_STDERR;
else if (pg_strcasecmp(tok, "csvlog") == 0)
newlogdest |= LOG_DESTINATION_CSVLOG;
#ifdef HAVE_SYSLOG
else if (pg_strcasecmp(tok, "syslog") == 0)
newlogdest |= LOG_DESTINATION_SYSLOG;
#endif
#ifdef WIN32
else if (pg_strcasecmp(tok, "eventlog") == 0)
newlogdest |= LOG_DESTINATION_EVENTLOG;
#endif
else
{
GUC_check_errdetail("Unrecognized key word: \"%s\".", tok);
pfree(rawstring);
list_free(elemlist);
return false;
}
}
pfree(rawstring);
list_free(elemlist);
myextra = (int *) guc_malloc(ERROR, sizeof(int));
*myextra = newlogdest;
*extra = (void *) myextra;
return true;
}
Definition at line 8492 of file guc.c.
References GUC_check_errdetail, log_executor_stats, log_parser_stats, and log_planner_stats.
{
if (*newval &&
(log_parser_stats || log_planner_stats || log_executor_stats))
{
GUC_check_errdetail("Cannot enable \"log_statement_stats\" when "
"\"log_parser_stats\", \"log_planner_stats\", "
"or \"log_executor_stats\" is true.");
return false;
}
return true;
}
Definition at line 8646 of file guc.c.
References autovacuum_max_workers, GetNumShmemAttachedBgworkers(), and MAX_BACKENDS.
{
if (*newval + GetNumShmemAttachedBgworkers() + autovacuum_max_workers + 1 >
MAX_BACKENDS)
return false;
return true;
}
Definition at line 8430 of file guc.c.
References GUC_check_errcode(), and GUC_check_errmsg.
{
if (!*newval)
{
GUC_check_errcode(ERRCODE_FEATURE_NOT_SUPPORTED);
GUC_check_errmsg("SET AUTOCOMMIT TO OFF is no longer supported");
return false;
}
return true;
}
Definition at line 8468 of file guc.c.
References GUC_check_errmsg.
{
#ifndef USE_SSL
if (*newval)
{
GUC_check_errmsg("SSL is not supported by this build");
return false;
}
#endif
return true;
}
Definition at line 8481 of file guc.c.
References GUC_check_errdetail, and log_statement_stats.
{
if (*newval && log_statement_stats)
{
GUC_check_errdetail("Cannot enable parameter when \"log_statement_stats\" is true.");
return false;
}
return true;
}
Definition at line 8416 of file guc.c.
References GUC_check_errdetail, and NLocBuffer.
{
/*
* Once local buffers have been initialized, it's too late to change this.
*/
if (NLocBuffer && NLocBuffer != *newval)
{
GUC_check_errdetail("\"temp_buffers\" cannot be changed after any temporary tables have been accessed in the session.");
return false;
}
return true;
}
| static bool check_timezone_abbreviations | ( | char ** | newval, | |
| void ** | extra, | |||
| GucSource | source | |||
| ) | [static] |
Definition at line 8519 of file guc.c.
References Assert, load_tzoffsets(), NULL, and PGC_S_DEFAULT.
{
/*
* The boot_val given above for timezone_abbreviations is NULL. When we
* see this we just do nothing. If this value isn't overridden from the
* config file then pg_timezone_abbrev_initialize() will eventually
* replace it with "Default". This hack has two purposes: to avoid
* wasting cycles loading values that might soon be overridden from the
* config file, and to avoid trying to read the timezone abbrev files
* during InitializeGUCOptions(). The latter doesn't work in an
* EXEC_BACKEND subprocess because my_exec_path hasn't been set yet and so
* we can't locate PGSHAREDIR.
*/
if (*newval == NULL)
{
Assert(source == PGC_S_DEFAULT);
return true;
}
/* OK, load the file and produce a malloc'd TimeZoneAbbrevTable */
*extra = load_tzoffsets(*newval);
/* tzparser.c returns NULL on failure, reporting via GUC_check_errmsg */
if (!*extra)
return false;
return true;
}
| static char * config_enum_get_options | ( | struct config_enum * | record, | |
| const char * | prefix, | |||
| const char * | suffix, | |||
| const char * | separator | |||
| ) | [static] |
Definition at line 5086 of file guc.c.
References appendBinaryStringInfo(), appendStringInfoString(), StringInfoData::data, config_enum_entry::hidden, initStringInfo(), StringInfoData::len, config_enum_entry::name, and config_enum::options.
Referenced by GetConfigOptionByNum(), and set_config_option().
{
const struct config_enum_entry *entry;
StringInfoData retstr;
int seplen;
initStringInfo(&retstr);
appendStringInfoString(&retstr, prefix);
seplen = strlen(separator);
for (entry = record->options; entry && entry->name; entry++)
{
if (!entry->hidden)
{
appendStringInfoString(&retstr, entry->name);
appendBinaryStringInfo(&retstr, separator, seplen);
}
}
/*
* All the entries may have been hidden, leaving the string empty if no
* prefix was given. This indicates a broken GUC setup, since there is no
* use for an enum without any values, so we just check to make sure we
* don't write to invalid memory instead of actually trying to do
* something smart with it.
*/
if (retstr.len >= seplen)
{
/* Replace final separator */
retstr.data[retstr.len - seplen] = '\0';
retstr.len -= seplen;
}
appendStringInfoString(&retstr, suffix);
return retstr.data;
}
| bool config_enum_lookup_by_name | ( | struct config_enum * | record, | |
| const char * | value, | |||
| int * | retval | |||
| ) |
Definition at line 5060 of file guc.c.
References config_enum_entry::name, config_enum::options, pg_strcasecmp(), and config_enum_entry::val.
Referenced by set_config_option().
{
const struct config_enum_entry *entry;
for (entry = record->options; entry && entry->name; entry++)
{
if (pg_strcasecmp(value, entry->name) == 0)
{
*retval = entry->val;
return TRUE;
}
}
*retval = 0;
return FALSE;
}
| const char* config_enum_lookup_by_value | ( | struct config_enum * | record, | |
| int | val | |||
| ) |
Definition at line 5037 of file guc.c.
References elog, ERROR, config_enum::gen, config_generic::name, config_enum_entry::name, config_enum::options, and config_enum_entry::val.
Referenced by _ShowOption(), call_enum_check_hook(), GetConfigOption(), GetConfigOptionByNum(), GetConfigOptionResetString(), and printMixedStruct().
| static void define_custom_variable | ( | struct config_generic * | variable | ) | [static] |
Definition at line 6429 of file guc.c.
References add_guc_variable(), Assert, ereport, errcode(), errmsg(), ERROR, free, config_string::gen, GUC_ACTION_SET, GUC_CUSTOM_PLACEHOLDER, InitializeOneGUCOption(), config_generic::name, name, NULL, PGC_STRING, reapply_stacked_values(), config_generic::reset_scontext, config_generic::reset_source, config_string::reset_val, config_generic::scontext, set_config_option(), set_config_sourcefile(), set_string_field(), config_generic::source, config_generic::sourcefile, config_generic::sourceline, config_generic::stack, config_string::variable, and WARNING.
Referenced by DefineCustomBoolVariable(), DefineCustomEnumVariable(), DefineCustomIntVariable(), DefineCustomRealVariable(), and DefineCustomStringVariable().
{
const char *name = variable->name;
const char **nameAddr = &name;
struct config_string *pHolder;
struct config_generic **res;
/*
* See if there's a placeholder by the same name.
*/
res = (struct config_generic **) bsearch((void *) &nameAddr,
(void *) guc_variables,
num_guc_variables,
sizeof(struct config_generic *),
guc_var_compare);
if (res == NULL)
{
/*
* No placeholder to replace, so we can just add it ... but first,
* make sure it's initialized to its default value.
*/
InitializeOneGUCOption(variable);
add_guc_variable(variable, ERROR);
return;
}
/*
* This better be a placeholder
*/
if (((*res)->flags & GUC_CUSTOM_PLACEHOLDER) == 0)
ereport(ERROR,
(errcode(ERRCODE_INTERNAL_ERROR),
errmsg("attempt to redefine parameter \"%s\"", name)));
Assert((*res)->vartype == PGC_STRING);
pHolder = (struct config_string *) (*res);
/*
* First, set the variable to its default value. We must do this even
* though we intend to immediately apply a new value, since it's possible
* that the new value is invalid.
*/
InitializeOneGUCOption(variable);
/*
* Replace the placeholder. We aren't changing the name, so no re-sorting
* is necessary
*/
*res = variable;
/*
* Assign the string value(s) stored in the placeholder to the real
* variable. Essentially, we need to duplicate all the active and stacked
* values, but with appropriate validation and datatype adjustment.
*
* If an assignment fails, we report a WARNING and keep going. We don't
* want to throw ERROR for bad values, because it'd bollix the add-on
* module that's presumably halfway through getting loaded. In such cases
* the default or previous state will become active instead.
*/
/* First, apply the reset value if any */
if (pHolder->reset_val)
(void) set_config_option(name, pHolder->reset_val,
pHolder->gen.reset_scontext,
pHolder->gen.reset_source,
GUC_ACTION_SET, true, WARNING);
/* That should not have resulted in stacking anything */
Assert(variable->stack == NULL);
/* Now, apply current and stacked values, in the order they were stacked */
reapply_stacked_values(variable, pHolder, pHolder->gen.stack,
*(pHolder->variable),
pHolder->gen.scontext, pHolder->gen.source);
/* Also copy over any saved source-location information */
if (pHolder->gen.sourcefile)
set_config_sourcefile(name, pHolder->gen.sourcefile,
pHolder->gen.sourceline);
/*
* Free up as much as we conveniently can of the placeholder structure.
* (This neglects any stack items, so it's possible for some memory to be
* leaked. Since this can only happen once per session per variable, it
* doesn't seem worth spending much code on.)
*/
set_string_field(pHolder, pHolder->variable, NULL);
set_string_field(pHolder, &pHolder->reset_val, NULL);
free(pHolder);
}
| void DefineCustomBoolVariable | ( | const char * | name, | |
| const char * | short_desc, | |||
| const char * | long_desc, | |||
| bool * | valueAddr, | |||
| bool | bootValue, | |||
| GucContext | context, | |||
| int | flags, | |||
| GucBoolCheckHook | check_hook, | |||
| GucBoolAssignHook | assign_hook, | |||
| GucShowHook | show_hook | |||
| ) |
Definition at line 6605 of file guc.c.
References config_bool::assign_hook, config_bool::boot_val, config_bool::check_hook, define_custom_variable(), config_bool::gen, init_custom_variable(), PGC_BOOL, config_bool::reset_val, config_bool::show_hook, and config_bool::variable.
Referenced by _PG_init().
{
struct config_bool *var;
var = (struct config_bool *)
init_custom_variable(name, short_desc, long_desc, context, flags,
PGC_BOOL, sizeof(struct config_bool));
var->variable = valueAddr;
var->boot_val = bootValue;
var->reset_val = bootValue;
var->check_hook = check_hook;
var->assign_hook = assign_hook;
var->show_hook = show_hook;
define_custom_variable(&var->gen);
}
| void DefineCustomEnumVariable | ( | const char * | name, | |
| const char * | short_desc, | |||
| const char * | long_desc, | |||
| int * | valueAddr, | |||
| int | bootValue, | |||
| const struct config_enum_entry * | options, | |||
| GucContext | context, | |||
| int | flags, | |||
| GucEnumCheckHook | check_hook, | |||
| GucEnumAssignHook | assign_hook, | |||
| GucShowHook | show_hook | |||
| ) |
Definition at line 6716 of file guc.c.
References config_enum::assign_hook, config_enum::boot_val, config_enum::check_hook, define_custom_variable(), config_enum::gen, init_custom_variable(), config_enum::options, PGC_ENUM, config_enum::reset_val, config_enum::show_hook, and config_enum::variable.
Referenced by _PG_init().
{
struct config_enum *var;
var = (struct config_enum *)
init_custom_variable(name, short_desc, long_desc, context, flags,
PGC_ENUM, sizeof(struct config_enum));
var->variable = valueAddr;
var->boot_val = bootValue;
var->reset_val = bootValue;
var->options = options;
var->check_hook = check_hook;
var->assign_hook = assign_hook;
var->show_hook = show_hook;
define_custom_variable(&var->gen);
}
| void DefineCustomIntVariable | ( | const char * | name, | |
| const char * | short_desc, | |||
| const char * | long_desc, | |||
| int * | valueAddr, | |||
| int | bootValue, | |||
| int | minValue, | |||
| int | maxValue, | |||
| GucContext | context, | |||
| int | flags, | |||
| GucIntCheckHook | check_hook, | |||
| GucIntAssignHook | assign_hook, | |||
| GucShowHook | show_hook | |||
| ) |
Definition at line 6631 of file guc.c.
References config_int::assign_hook, config_int::boot_val, config_int::check_hook, define_custom_variable(), config_int::gen, init_custom_variable(), config_int::max, config_int::min, PGC_INT, config_int::reset_val, config_int::show_hook, and config_int::variable.
Referenced by _PG_init().
{
struct config_int *var;
var = (struct config_int *)
init_custom_variable(name, short_desc, long_desc, context, flags,
PGC_INT, sizeof(struct config_int));
var->variable = valueAddr;
var->boot_val = bootValue;
var->reset_val = bootValue;
var->min = minValue;
var->max = maxValue;
var->check_hook = check_hook;
var->assign_hook = assign_hook;
var->show_hook = show_hook;
define_custom_variable(&var->gen);
}
| void DefineCustomRealVariable | ( | const char * | name, | |
| const char * | short_desc, | |||
| const char * | long_desc, | |||
| double * | valueAddr, | |||
| double | bootValue, | |||
| double | minValue, | |||
| double | maxValue, | |||
| GucContext | context, | |||
| int | flags, | |||
| GucRealCheckHook | check_hook, | |||
| GucRealAssignHook | assign_hook, | |||
| GucShowHook | show_hook | |||
| ) |
Definition at line 6661 of file guc.c.
References config_real::assign_hook, config_real::boot_val, config_real::check_hook, define_custom_variable(), config_real::gen, init_custom_variable(), config_real::max, config_real::min, PGC_REAL, config_real::reset_val, config_real::show_hook, and config_real::variable.
{
struct config_real *var;
var = (struct config_real *)
init_custom_variable(name, short_desc, long_desc, context, flags,
PGC_REAL, sizeof(struct config_real));
var->variable = valueAddr;
var->boot_val = bootValue;
var->reset_val = bootValue;
var->min = minValue;
var->max = maxValue;
var->check_hook = check_hook;
var->assign_hook = assign_hook;
var->show_hook = show_hook;
define_custom_variable(&var->gen);
}
| void DefineCustomStringVariable | ( | const char * | name, | |
| const char * | short_desc, | |||
| const char * | long_desc, | |||
| char ** | valueAddr, | |||
| const char * | bootValue, | |||
| GucContext | context, | |||
| int | flags, | |||
| GucStringCheckHook | check_hook, | |||
| GucStringAssignHook | assign_hook, | |||
| GucShowHook | show_hook | |||
| ) |
Definition at line 6691 of file guc.c.
References config_string::assign_hook, config_string::boot_val, config_string::check_hook, define_custom_variable(), config_string::gen, init_custom_variable(), PGC_STRING, config_string::show_hook, and config_string::variable.
Referenced by _PG_init().
{
struct config_string *var;
var = (struct config_string *)
init_custom_variable(name, short_desc, long_desc, context, flags,
PGC_STRING, sizeof(struct config_string));
var->variable = valueAddr;
var->boot_val = bootValue;
var->check_hook = check_hook;
var->assign_hook = assign_hook;
var->show_hook = show_hook;
define_custom_variable(&var->gen);
}
| static void discard_stack_value | ( | struct config_generic * | gconf, | |
| config_var_value * | val | |||
| ) | [static] |
Definition at line 3572 of file guc.c.
References config_var_value::extra, NULL, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_STRING, set_extra_field(), set_string_field(), config_var_val::stringval, config_var_value::val, and config_generic::vartype.
Referenced by AtEOXact_GUC(), and push_old_value().
{
switch (gconf->vartype)
{
case PGC_BOOL:
case PGC_INT:
case PGC_REAL:
case PGC_ENUM:
/* no need to do anything */
break;
case PGC_STRING:
set_string_field((struct config_string *) gconf,
&(val->val.stringval),
NULL);
break;
}
set_extra_field(gconf, &(val->extra), NULL);
}
| void EmitWarningsOnPlaceholders | ( | const char * | className | ) |
Definition at line 6744 of file guc.c.
References ereport, errcode(), errmsg(), config_generic::flags, GUC_CUSTOM_PLACEHOLDER, GUC_QUALIFIER_SEPARATOR, i, config_generic::name, and WARNING.
Referenced by _PG_init().
{
int classLen = strlen(className);
int i;
for (i = 0; i < num_guc_variables; i++)
{
struct config_generic *var = guc_variables[i];
if ((var->flags & GUC_CUSTOM_PLACEHOLDER) != 0 &&
strncmp(className, var->name, classLen) == 0 &&
var->name[classLen] == GUC_QUALIFIER_SEPARATOR)
{
ereport(WARNING,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("unrecognized configuration parameter \"%s\"",
var->name)));
}
}
}
| void ExecSetVariableStmt | ( | VariableSetStmt * | stmt | ) |
Definition at line 6191 of file guc.c.
References DefElem::arg, VariableSetStmt::args, Assert, DefElem::defname, elog, ereport, errcode(), errmsg(), ERROR, ExtractSetVariableArgs(), GUC_ACTION_LOCAL, ImportSnapshot(), VariableSetStmt::is_local, IsA, VariableSetStmt::kind, lfirst, linitial, list_make1, VariableSetStmt::name, nodeTag, NULL, PGC_S_SESSION, PGC_SUSET, PGC_USERSET, ResetAllOptions(), set_config_option(), SetPGVariable(), strVal, superuser(), T_String, A_Const::val, VAR_RESET, VAR_RESET_ALL, VAR_SET_CURRENT, VAR_SET_DEFAULT, VAR_SET_MULTI, and VAR_SET_VALUE.
Referenced by standard_ProcessUtility().
{
GucAction action = stmt->is_local ? GUC_ACTION_LOCAL : GUC_ACTION_SET;
switch (stmt->kind)
{
case VAR_SET_VALUE:
case VAR_SET_CURRENT:
(void) set_config_option(stmt->name,
ExtractSetVariableArgs(stmt),
(superuser() ? PGC_SUSET : PGC_USERSET),
PGC_S_SESSION,
action,
true,
0);
break;
case VAR_SET_MULTI:
/*
* Special-case SQL syntaxes. The TRANSACTION and SESSION
* CHARACTERISTICS cases effectively set more than one variable
* per statement. TRANSACTION SNAPSHOT only takes one argument,
* but we put it here anyway since it's a special case and not
* related to any GUC variable.
*/
if (strcmp(stmt->name, "TRANSACTION") == 0)
{
ListCell *head;
foreach(head, stmt->args)
{
DefElem *item = (DefElem *) lfirst(head);
if (strcmp(item->defname, "transaction_isolation") == 0)
SetPGVariable("transaction_isolation",
list_make1(item->arg), stmt->is_local);
else if (strcmp(item->defname, "transaction_read_only") == 0)
SetPGVariable("transaction_read_only",
list_make1(item->arg), stmt->is_local);
else if (strcmp(item->defname, "transaction_deferrable") == 0)
SetPGVariable("transaction_deferrable",
list_make1(item->arg), stmt->is_local);
else
elog(ERROR, "unexpected SET TRANSACTION element: %s",
item->defname);
}
}
else if (strcmp(stmt->name, "SESSION CHARACTERISTICS") == 0)
{
ListCell *head;
foreach(head, stmt->args)
{
DefElem *item = (DefElem *) lfirst(head);
if (strcmp(item->defname, "transaction_isolation") == 0)
SetPGVariable("default_transaction_isolation",
list_make1(item->arg), stmt->is_local);
else if (strcmp(item->defname, "transaction_read_only") == 0)
SetPGVariable("default_transaction_read_only",
list_make1(item->arg), stmt->is_local);
else if (strcmp(item->defname, "transaction_deferrable") == 0)
SetPGVariable("default_transaction_deferrable",
list_make1(item->arg), stmt->is_local);
else
elog(ERROR, "unexpected SET SESSION element: %s",
item->defname);
}
}
else if (strcmp(stmt->name, "TRANSACTION SNAPSHOT") == 0)
{
A_Const *con = (A_Const *) linitial(stmt->args);
if (stmt->is_local)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("SET LOCAL TRANSACTION SNAPSHOT is not implemented")));
Assert(IsA(con, A_Const));
Assert(nodeTag(&con->val) == T_String);
ImportSnapshot(strVal(&con->val));
}
else
elog(ERROR, "unexpected SET MULTI element: %s",
stmt->name);
break;
case VAR_SET_DEFAULT:
case VAR_RESET:
(void) set_config_option(stmt->name,
NULL,
(superuser() ? PGC_SUSET : PGC_USERSET),
PGC_S_SESSION,
action,
true,
0);
break;
case VAR_RESET_ALL:
ResetAllOptions();
break;
}
}
| static bool extra_field_used | ( | struct config_generic * | gconf, | |
| void * | extra | |||
| ) | [static] |
Definition at line 3473 of file guc.c.
References config_var_value::extra, config_generic::extra, guc_stack::masked, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_STRING, guc_stack::prev, guc_stack::prior, config_generic::stack, and config_generic::vartype.
Referenced by set_config_option(), and set_extra_field().
{
GucStack *stack;
if (extra == gconf->extra)
return true;
switch (gconf->vartype)
{
case PGC_BOOL:
if (extra == ((struct config_bool *) gconf)->reset_extra)
return true;
break;
case PGC_INT:
if (extra == ((struct config_int *) gconf)->reset_extra)
return true;
break;
case PGC_REAL:
if (extra == ((struct config_real *) gconf)->reset_extra)
return true;
break;
case PGC_STRING:
if (extra == ((struct config_string *) gconf)->reset_extra)
return true;
break;
case PGC_ENUM:
if (extra == ((struct config_enum *) gconf)->reset_extra)
return true;
break;
}
for (stack = gconf->stack; stack; stack = stack->prev)
{
if (extra == stack->prior.extra ||
extra == stack->masked.extra)
return true;
}
return false;
}
| char* ExtractSetVariableArgs | ( | VariableSetStmt * | stmt | ) |
Definition at line 6299 of file guc.c.
References VariableSetStmt::args, flatten_set_variable_args(), GetConfigOptionByName(), VariableSetStmt::kind, VariableSetStmt::name, NULL, VAR_SET_CURRENT, and VAR_SET_VALUE.
Referenced by AlterSetting(), ExecSetVariableStmt(), and update_proconfig_value().
{
switch (stmt->kind)
{
case VAR_SET_VALUE:
return flatten_set_variable_args(stmt->name, stmt->args);
case VAR_SET_CURRENT:
return GetConfigOptionByName(stmt->name, NULL);
default:
return NULL;
}
}
| static struct config_generic* find_option | ( | const char * | name, | |
| bool | create_placeholders, | |||
| int | elevel | |||
| ) | [static, read] |
Definition at line 3781 of file guc.c.
References add_placeholder_variable(), Assert, guc_name_compare(), GUC_QUALIFIER_SEPARATOR, and i.
Referenced by flatten_set_variable_args(), GetConfigOption(), GetConfigOptionByName(), GetConfigOptionResetString(), GUCArrayAdd(), GUCArrayDelete(), set_config_option(), set_config_sourcefile(), and validate_option_array_item().
{
const char **key = &name;
struct config_generic **res;
int i;
Assert(name);
/*
* By equating const char ** with struct config_generic *, we are assuming
* the name field is first in config_generic.
*/
res = (struct config_generic **) bsearch((void *) &key,
(void *) guc_variables,
num_guc_variables,
sizeof(struct config_generic *),
guc_var_compare);
if (res)
return *res;
/*
* See if the name is an obsolete name for a variable. We assume that the
* set of supported old names is short enough that a brute-force search is
* the best way.
*/
for (i = 0; map_old_guc_names[i] != NULL; i += 2)
{
if (guc_name_compare(name, map_old_guc_names[i]) == 0)
return find_option(map_old_guc_names[i + 1], false, elevel);
}
if (create_placeholders)
{
/*
* Check if the name is qualified, and if so, add a placeholder.
*/
if (strchr(name, GUC_QUALIFIER_SEPARATOR) != NULL)
return add_placeholder_variable(name, elevel);
}
/* Unknown name */
return NULL;
}
| static char* flatten_set_variable_args | ( | const char * | name, | |
| List * | args | |||
| ) | [static] |
Definition at line 6070 of file guc.c.
References appendStringInfo(), appendStringInfoString(), TypeCast::arg, arg, Assert, buf, CStringGetDatum, StringInfoData::data, DatumGetCString, DirectFunctionCall1, DirectFunctionCall3, elog, ereport, errcode(), errmsg(), ERROR, find_option(), config_generic::flags, GUC_LIST_INPUT, GUC_LIST_QUOTE, initStringInfo(), Int32GetDatum, interval_in(), interval_out(), INTERVALOID, intVal, InvalidOid, IsA, lfirst, list_head(), list_length(), NIL, nodeTag, NULL, ObjectIdGetDatum, quote_identifier(), strVal, T_Float, T_Integer, T_String, TypeCast::typeName, typenameTypeIdAndMod(), A_Const::val, val, and WARNING.
Referenced by ExtractSetVariableArgs(), and SetPGVariable().
{
struct config_generic *record;
int flags;
StringInfoData buf;
ListCell *l;
/* Fast path if just DEFAULT */
if (args == NIL)
return NULL;
/*
* Get flags for the variable; if it's not known, use default flags.
* (Caller might throw error later, but not our business to do so here.)
*/
record = find_option(name, false, WARNING);
if (record)
flags = record->flags;
else
flags = 0;
/* Complain if list input and non-list variable */
if ((flags & GUC_LIST_INPUT) == 0 &&
list_length(args) != 1)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("SET %s takes only one argument", name)));
initStringInfo(&buf);
/*
* Each list member may be a plain A_Const node, or an A_Const within a
* TypeCast; the latter case is supported only for ConstInterval arguments
* (for SET TIME ZONE).
*/
foreach(l, args)
{
Node *arg = (Node *) lfirst(l);
char *val;
TypeName *typeName = NULL;
A_Const *con;
if (l != list_head(args))
appendStringInfo(&buf, ", ");
if (IsA(arg, TypeCast))
{
TypeCast *tc = (TypeCast *) arg;
arg = tc->arg;
typeName = tc->typeName;
}
if (!IsA(arg, A_Const))
elog(ERROR, "unrecognized node type: %d", (int) nodeTag(arg));
con = (A_Const *) arg;
switch (nodeTag(&con->val))
{
case T_Integer:
appendStringInfo(&buf, "%ld", intVal(&con->val));
break;
case T_Float:
/* represented as a string, so just copy it */
appendStringInfoString(&buf, strVal(&con->val));
break;
case T_String:
val = strVal(&con->val);
if (typeName != NULL)
{
/*
* Must be a ConstInterval argument for TIME ZONE. Coerce
* to interval and back to normalize the value and account
* for any typmod.
*/
Oid typoid;
int32 typmod;
Datum interval;
char *intervalout;
typenameTypeIdAndMod(NULL, typeName, &typoid, &typmod);
Assert(typoid == INTERVALOID);
interval =
DirectFunctionCall3(interval_in,
CStringGetDatum(val),
ObjectIdGetDatum(InvalidOid),
Int32GetDatum(typmod));
intervalout =
DatumGetCString(DirectFunctionCall1(interval_out,
interval));
appendStringInfo(&buf, "INTERVAL '%s'", intervalout);
}
else
{
/*
* Plain string literal or identifier. For quote mode,
* quote it if it's not a vanilla identifier.
*/
if (flags & GUC_LIST_QUOTE)
appendStringInfoString(&buf, quote_identifier(val));
else
appendStringInfoString(&buf, val);
}
break;
default:
elog(ERROR, "unrecognized node type: %d",
(int) nodeTag(&con->val));
break;
}
}
return buf.data;
}
| struct config_generic** get_guc_variables | ( | void | ) | [read] |
Definition at line 5962 of file guc.c.
References config_enum_lookup_by_value(), ereport, errcode(), errmsg(), ERROR, find_option(), config_generic::flags, GUC_SUPERUSER_ONLY, NULL, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_STRING, snprintf(), superuser(), and config_generic::vartype.
Referenced by applyRemoteGucs(), and PostmasterMain().
{
struct config_generic *record;
static char buffer[256];
record = find_option(name, false, ERROR);
if (record == NULL)
{
if (missing_ok)
return NULL;
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("unrecognized configuration parameter \"%s\"",
name)));
}
if (restrict_superuser &&
(record->flags & GUC_SUPERUSER_ONLY) &&
!superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to examine \"%s\"", name)));
switch (record->vartype)
{
case PGC_BOOL:
return *((struct config_bool *) record)->variable ? "on" : "off";
case PGC_INT:
snprintf(buffer, sizeof(buffer), "%d",
*((struct config_int *) record)->variable);
return buffer;
case PGC_REAL:
snprintf(buffer, sizeof(buffer), "%g",
*((struct config_real *) record)->variable);
return buffer;
case PGC_STRING:
return *((struct config_string *) record)->variable;
case PGC_ENUM:
return config_enum_lookup_by_value((struct config_enum *) record,
*((struct config_enum *) record)->variable);
}
return NULL;
}
| char* GetConfigOptionByName | ( | const char * | name, | |
| const char ** | varname | |||
| ) |
Definition at line 6910 of file guc.c.
References _ShowOption(), ereport, errcode(), errmsg(), ERROR, find_option(), config_generic::flags, GUC_SUPERUSER_ONLY, config_generic::name, NULL, and superuser().
Referenced by ExtractSetVariableArgs(), GetPGVariableResultDesc(), set_config_by_name(), show_config_by_name(), ShowGUCConfigOption(), and tsa_tsearch2().
{
struct config_generic *record;
record = find_option(name, false, ERROR);
if (record == NULL)
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("unrecognized configuration parameter \"%s\"", name)));
if ((record->flags & GUC_SUPERUSER_ONLY) && !superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to examine \"%s\"", name)));
if (varname)
*varname = record->name;
return _ShowOption(record, true);
}
| void GetConfigOptionByNum | ( | int | varnum, | |
| const char ** | values, | |||
| bool * | noshow | |||
| ) |
Definition at line 6935 of file guc.c.
References _ShowOption(), Assert, config_enum::boot_val, config_string::boot_val, config_real::boot_val, config_int::boot_val, config_bool::boot_val, buf, config_enum_get_options(), config_enum_lookup_by_value(), config_group_names, config_type_names, config_generic::context, config_generic::flags, config_generic::group, GUC_NO_SHOW_ALL, GUC_SUPERUSER_ONLY, GUC_UNIT_BLOCKS, GUC_UNIT_KB, GUC_UNIT_MEMORY, GUC_UNIT_MIN, GUC_UNIT_MS, GUC_UNIT_S, GUC_UNIT_TIME, GUC_UNIT_XBLOCKS, GucContext_Names, GucSource_Names, config_generic::long_desc, config_real::max, config_int::max, config_real::min, config_int::min, config_generic::name, NULL, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_S_FILE, PGC_STRING, pstrdup(), config_enum::reset_val, config_string::reset_val, config_real::reset_val, config_int::reset_val, config_bool::reset_val, config_generic::short_desc, snprintf(), config_generic::source, config_generic::sourcefile, config_generic::sourceline, superuser(), and config_generic::vartype.
Referenced by show_all_settings().
{
char buffer[256];
struct config_generic *conf;
/* check requested variable number valid */
Assert((varnum >= 0) && (varnum < num_guc_variables));
conf = guc_variables[varnum];
if (noshow)
{
if ((conf->flags & GUC_NO_SHOW_ALL) ||
((conf->flags & GUC_SUPERUSER_ONLY) && !superuser()))
*noshow = true;
else
*noshow = false;
}
/* first get the generic attributes */
/* name */
values[0] = conf->name;
/* setting : use _ShowOption in order to avoid duplicating the logic */
values[1] = _ShowOption(conf, false);
/* unit */
if (conf->vartype == PGC_INT)
{
static char buf[8];
switch (conf->flags & (GUC_UNIT_MEMORY | GUC_UNIT_TIME))
{
case GUC_UNIT_KB:
values[2] = "kB";
break;
case GUC_UNIT_BLOCKS:
snprintf(buf, sizeof(buf), "%dkB", BLCKSZ / 1024);
values[2] = buf;
break;
case GUC_UNIT_XBLOCKS:
snprintf(buf, sizeof(buf), "%dkB", XLOG_BLCKSZ / 1024);
values[2] = buf;
break;
case GUC_UNIT_MS:
values[2] = "ms";
break;
case GUC_UNIT_S:
values[2] = "s";
break;
case GUC_UNIT_MIN:
values[2] = "min";
break;
default:
values[2] = "";
break;
}
}
else
values[2] = NULL;
/* group */
values[3] = config_group_names[conf->group];
/* short_desc */
values[4] = conf->short_desc;
/* extra_desc */
values[5] = conf->long_desc;
/* context */
values[6] = GucContext_Names[conf->context];
/* vartype */
values[7] = config_type_names[conf->vartype];
/* source */
values[8] = GucSource_Names[conf->source];
/* now get the type specifc attributes */
switch (conf->vartype)
{
case PGC_BOOL:
{
struct config_bool *lconf = (struct config_bool *) conf;
/* min_val */
values[9] = NULL;
/* max_val */
values[10] = NULL;
/* enumvals */
values[11] = NULL;
/* boot_val */
values[12] = pstrdup(lconf->boot_val ? "on" : "off");
/* reset_val */
values[13] = pstrdup(lconf->reset_val ? "on" : "off");
}
break;
case PGC_INT:
{
struct config_int *lconf = (struct config_int *) conf;
/* min_val */
snprintf(buffer, sizeof(buffer), "%d", lconf->min);
values[9] = pstrdup(buffer);
/* max_val */
snprintf(buffer, sizeof(buffer), "%d", lconf->max);
values[10] = pstrdup(buffer);
/* enumvals */
values[11] = NULL;
/* boot_val */
snprintf(buffer, sizeof(buffer), "%d", lconf->boot_val);
values[12] = pstrdup(buffer);
/* reset_val */
snprintf(buffer, sizeof(buffer), "%d", lconf->reset_val);
values[13] = pstrdup(buffer);
}
break;
case PGC_REAL:
{
struct config_real *lconf = (struct config_real *) conf;
/* min_val */
snprintf(buffer, sizeof(buffer), "%g", lconf->min);
values[9] = pstrdup(buffer);
/* max_val */
snprintf(buffer, sizeof(buffer), "%g", lconf->max);
values[10] = pstrdup(buffer);
/* enumvals */
values[11] = NULL;
/* boot_val */
snprintf(buffer, sizeof(buffer), "%g", lconf->boot_val);
values[12] = pstrdup(buffer);
/* reset_val */
snprintf(buffer, sizeof(buffer), "%g", lconf->reset_val);
values[13] = pstrdup(buffer);
}
break;
case PGC_STRING:
{
struct config_string *lconf = (struct config_string *) conf;
/* min_val */
values[9] = NULL;
/* max_val */
values[10] = NULL;
/* enumvals */
values[11] = NULL;
/* boot_val */
if (lconf->boot_val == NULL)
values[12] = NULL;
else
values[12] = pstrdup(lconf->boot_val);
/* reset_val */
if (lconf->reset_val == NULL)
values[13] = NULL;
else
values[13] = pstrdup(lconf->reset_val);
}
break;
case PGC_ENUM:
{
struct config_enum *lconf = (struct config_enum *) conf;
/* min_val */
values[9] = NULL;
/* max_val */
values[10] = NULL;
/* enumvals */
/*
* NOTE! enumvals with double quotes in them are not
* supported!
*/
values[11] = config_enum_get_options((struct config_enum *) conf,
"{\"", "\"}", "\",\"");
/* boot_val */
values[12] = pstrdup(config_enum_lookup_by_value(lconf,
lconf->boot_val));
/* reset_val */
values[13] = pstrdup(config_enum_lookup_by_value(lconf,
lconf->reset_val));
}
break;
default:
{
/*
* should never get here, but in case we do, set 'em to NULL
*/
/* min_val */
values[9] = NULL;
/* max_val */
values[10] = NULL;
/* enumvals */
values[11] = NULL;
/* boot_val */
values[12] = NULL;
/* reset_val */
values[13] = NULL;
}
break;
}
/*
* If the setting came from a config file, set the source location. For
* security reasons, we don't show source file/line number for
* non-superusers.
*/
if (conf->source == PGC_S_FILE && superuser())
{
values[14] = conf->sourcefile;
snprintf(buffer, sizeof(buffer), "%d", conf->sourceline);
values[15] = pstrdup(buffer);
}
else
{
values[14] = NULL;
values[15] = NULL;
}
}
| const char* GetConfigOptionResetString | ( | const char * | name | ) |
Definition at line 6017 of file guc.c.
References config_enum_lookup_by_value(), ereport, errcode(), errmsg(), ERROR, find_option(), config_generic::flags, GUC_SUPERUSER_ONLY, NULL, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_STRING, snprintf(), superuser(), and config_generic::vartype.
Referenced by check_datestyle().
{
struct config_generic *record;
static char buffer[256];
record = find_option(name, false, ERROR);
if (record == NULL)
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("unrecognized configuration parameter \"%s\"", name)));
if ((record->flags & GUC_SUPERUSER_ONLY) && !superuser())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to examine \"%s\"", name)));
switch (record->vartype)
{
case PGC_BOOL:
return ((struct config_bool *) record)->reset_val ? "on" : "off";
case PGC_INT:
snprintf(buffer, sizeof(buffer), "%d",
((struct config_int *) record)->reset_val);
return buffer;
case PGC_REAL:
snprintf(buffer, sizeof(buffer), "%g",
((struct config_real *) record)->reset_val);
return buffer;
case PGC_STRING:
return ((struct config_string *) record)->reset_val;
case PGC_ENUM:
return config_enum_lookup_by_value((struct config_enum *) record,
((struct config_enum *) record)->reset_val);
}
return NULL;
}
| int GetNumConfigOptions | ( | void | ) |
Definition at line 7191 of file guc.c.
Referenced by GucInfoMain(), and show_all_settings().
{
return num_guc_variables;
}
| void GetPGVariable | ( | const char * | name, | |
| DestReceiver * | dest | |||
| ) |
Definition at line 6770 of file guc.c.
References guc_name_compare(), ShowAllGUCConfig(), and ShowGUCConfigOption().
Referenced by standard_ProcessUtility().
{
if (guc_name_compare(name, "all") == 0)
ShowAllGUCConfig(dest);
else
ShowGUCConfigOption(name, dest);
}
| TupleDesc GetPGVariableResultDesc | ( | const char * | name | ) |
Definition at line 6779 of file guc.c.
References CreateTemplateTupleDesc(), GetConfigOptionByName(), guc_name_compare(), TEXTOID, and TupleDescInitEntry().
Referenced by UtilityTupleDescriptor().
{
TupleDesc tupdesc;
if (guc_name_compare(name, "all") == 0)
{
/* need a tuple descriptor representing three TEXT columns */
tupdesc = CreateTemplateTupleDesc(3, false);
TupleDescInitEntry(tupdesc, (AttrNumber) 1, "name",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 2, "setting",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 3, "description",
TEXTOID, -1, 0);
}
else
{
const char *varname;
/* Get the canonical spelling of name */
(void) GetConfigOptionByName(name, &varname);
/* need a tuple descriptor representing a single TEXT column */
tupdesc = CreateTemplateTupleDesc(1, false);
TupleDescInitEntry(tupdesc, (AttrNumber) 1, varname,
TEXTOID, -1, 0);
}
return tupdesc;
}
| void GUC_check_errcode | ( | int | sqlerrcode | ) |
Definition at line 8133 of file guc.c.
References GUC_check_errcode_value.
Referenced by check_client_encoding(), check_phony_autocommit(), check_role(), check_transaction_deferrable(), check_transaction_read_only(), and check_XactIsoLevel().
{
GUC_check_errcode_value = sqlerrcode;
}
| static void* guc_malloc | ( | int | elevel, | |
| size_t | size | |||
| ) | [static] |
Definition at line 3385 of file guc.c.
References ereport, errcode(), errmsg(), malloc, and NULL.
Referenced by add_guc_variable(), add_placeholder_variable(), assign_pgstat_temp_directory(), build_guc_variables(), check_effective_io_concurrency(), check_log_destination(), init_custom_variable(), ParseLongOption(), and SelectConfigFiles().
| static int guc_name_compare | ( | const char * | namea, | |
| const char * | nameb | |||
| ) | [static] |
Definition at line 3842 of file guc.c.
Referenced by find_option(), GetPGVariable(), GetPGVariableResultDesc(), and guc_var_compare().
{
/*
* The temptation to use strcasecmp() here must be resisted, because the
* array ordering has to remain stable across setlocale() calls. So, build
* our own with a simple ASCII-only downcasing.
*/
while (*namea && *nameb)
{
char cha = *namea++;
char chb = *nameb++;
if (cha >= 'A' && cha <= 'Z')
cha += 'a' - 'A';
if (chb >= 'A' && chb <= 'Z')
chb += 'a' - 'A';
if (cha != chb)
return cha - chb;
}
if (*namea)
return 1; /* a is longer */
if (*nameb)
return -1; /* b is longer */
return 0;
}
| static void* guc_realloc | ( | int | elevel, | |
| void * | old, | |||
| size_t | size | |||
| ) | [static] |
| static char* guc_strdup | ( | int | elevel, | |
| const char * | src | |||
| ) | [static] |
Definition at line 3417 of file guc.c.
References ereport, errcode(), errmsg(), and NULL.
Referenced by add_placeholder_variable(), init_custom_variable(), InitializeOneGUCOption(), ParseLongOption(), set_config_option(), and set_config_sourcefile().
| static int guc_var_compare | ( | const void * | a, | |
| const void * | b | |||
| ) | [static] |
Definition at line 3830 of file guc.c.
References guc_name_compare(), and config_generic::name.
Referenced by add_guc_variable(), and build_guc_variables().
{
const struct config_generic *confa = *(struct config_generic * const *) a;
const struct config_generic *confb = *(struct config_generic * const *) b;
return guc_name_compare(confa->name, confb->name);
}
Definition at line 7829 of file guc.c.
References ARR_DIMS, ARR_ELEMTYPE, ARR_LBOUND, ARR_NDIM, array_ref(), array_set(), Assert, construct_array(), CStringGetTextDatum, find_option(), config_generic::name, palloc(), TextDatumGetCString, TEXTOID, validate_option_array_item(), and WARNING.
Referenced by AlterSetting(), and update_proconfig_value().
{
struct config_generic *record;
Datum datum;
char *newval;
ArrayType *a;
Assert(name);
Assert(value);
/* test if the option is valid and we're allowed to set it */
(void) validate_option_array_item(name, value, false);
/* normalize name (converts obsolete GUC names to modern spellings) */
record = find_option(name, false, WARNING);
if (record)
name = record->name;
/* build new item for array */
newval = palloc(strlen(name) + 1 + strlen(value) + 1);
sprintf(newval, "%s=%s", name, value);
datum = CStringGetTextDatum(newval);
if (array)
{
int index;
bool isnull;
int i;
Assert(ARR_ELEMTYPE(array) == TEXTOID);
Assert(ARR_NDIM(array) == 1);
Assert(ARR_LBOUND(array)[0] == 1);
index = ARR_DIMS(array)[0] + 1; /* add after end */
for (i = 1; i <= ARR_DIMS(array)[0]; i++)
{
Datum d;
char *current;
d = array_ref(array, 1, &i,
-1 /* varlenarray */ ,
-1 /* TEXT's typlen */ ,
false /* TEXT's typbyval */ ,
'i' /* TEXT's typalign */ ,
&isnull);
if (isnull)
continue;
current = TextDatumGetCString(d);
/* check for match up through and including '=' */
if (strncmp(current, newval, strlen(name) + 1) == 0)
{
index = i;
break;
}
}
a = array_set(array, 1, &index,
datum,
false,
-1 /* varlena array */ ,
-1 /* TEXT's typlen */ ,
false /* TEXT's typbyval */ ,
'i' /* TEXT's typalign */ );
}
else
a = construct_array(&datum, 1,
TEXTOID,
-1, false, 'i');
return a;
}
Definition at line 7910 of file guc.c.
References ARR_DIMS, array_ref(), array_set(), Assert, construct_array(), find_option(), config_generic::name, NULL, TextDatumGetCString, TEXTOID, val, validate_option_array_item(), and WARNING.
Referenced by AlterSetting(), and update_proconfig_value().
{
struct config_generic *record;
ArrayType *newarray;
int i;
int index;
Assert(name);
/* test if the option is valid and we're allowed to set it */
(void) validate_option_array_item(name, NULL, false);
/* normalize name (converts obsolete GUC names to modern spellings) */
record = find_option(name, false, WARNING);
if (record)
name = record->name;
/* if array is currently null, then surely nothing to delete */
if (!array)
return NULL;
newarray = NULL;
index = 1;
for (i = 1; i <= ARR_DIMS(array)[0]; i++)
{
Datum d;
char *val;
bool isnull;
d = array_ref(array, 1, &i,
-1 /* varlenarray */ ,
-1 /* TEXT's typlen */ ,
false /* TEXT's typbyval */ ,
'i' /* TEXT's typalign */ ,
&isnull);
if (isnull)
continue;
val = TextDatumGetCString(d);
/* ignore entry if it's what we want to delete */
if (strncmp(val, name, strlen(name)) == 0
&& val[strlen(name)] == '=')
continue;
/* else add it to the output array */
if (newarray)
newarray = array_set(newarray, 1, &index,
d,
false,
-1 /* varlenarray */ ,
-1 /* TEXT's typlen */ ,
false /* TEXT's typbyval */ ,
'i' /* TEXT's typalign */ );
else
newarray = construct_array(&d, 1,
TEXTOID,
-1, false, 'i');
index++;
}
return newarray;
}
Definition at line 7982 of file guc.c.
References ARR_DIMS, array_ref(), array_set(), construct_array(), NULL, pfree(), superuser(), TextDatumGetCString, TEXTOID, val, and validate_option_array_item().
Referenced by AlterSetting().
{
ArrayType *newarray;
int i;
int index;
/* if array is currently null, nothing to do */
if (!array)
return NULL;
/* if we're superuser, we can delete everything, so just do it */
if (superuser())
return NULL;
newarray = NULL;
index = 1;
for (i = 1; i <= ARR_DIMS(array)[0]; i++)
{
Datum d;
char *val;
char *eqsgn;
bool isnull;
d = array_ref(array, 1, &i,
-1 /* varlenarray */ ,
-1 /* TEXT's typlen */ ,
false /* TEXT's typbyval */ ,
'i' /* TEXT's typalign */ ,
&isnull);
if (isnull)
continue;
val = TextDatumGetCString(d);
eqsgn = strchr(val, '=');
*eqsgn = '\0';
/* skip if we have permission to delete it */
if (validate_option_array_item(val, NULL, true))
continue;
/* else add it to the output array */
if (newarray)
newarray = array_set(newarray, 1, &index,
d,
false,
-1 /* varlenarray */ ,
-1 /* TEXT's typlen */ ,
false /* TEXT's typbyval */ ,
'i' /* TEXT's typalign */ );
else
newarray = construct_array(&d, 1,
TEXTOID,
-1, false, 'i');
index++;
pfree(val);
}
return newarray;
}
| static struct config_generic* init_custom_variable | ( | const char * | name, | |
| const char * | short_desc, | |||
| const char * | long_desc, | |||
| GucContext | context, | |||
| int | flags, | |||
| enum config_type | type, | |||
| size_t | sz | |||
| ) | [static, read] |
Definition at line 6389 of file guc.c.
References config_generic::context, elog, ERROR, FATAL, config_generic::flags, config_generic::group, guc_malloc(), guc_strdup(), config_generic::long_desc, config_generic::name, PGC_POSTMASTER, process_shared_preload_libraries_in_progress, config_generic::short_desc, and config_generic::vartype.
Referenced by DefineCustomBoolVariable(), DefineCustomEnumVariable(), DefineCustomIntVariable(), DefineCustomRealVariable(), and DefineCustomStringVariable().
{
struct config_generic *gen;
/*
* Only allow custom PGC_POSTMASTER variables to be created during shared
* library preload; any later than that, we can't ensure that the value
* doesn't change after startup. This is a fatal elog if it happens; just
* erroring out isn't safe because we don't know what the calling loadable
* module might already have hooked into.
*/
if (context == PGC_POSTMASTER &&
!process_shared_preload_libraries_in_progress)
elog(FATAL, "cannot create PGC_POSTMASTER variables after startup");
gen = (struct config_generic *) guc_malloc(ERROR, sz);
memset(gen, 0, sz);
gen->name = guc_strdup(ERROR, name);
gen->context = context;
gen->group = CUSTOM_OPTIONS;
gen->short_desc = short_desc;
gen->long_desc = long_desc;
gen->flags = flags;
gen->vartype = type;
return gen;
}
| void InitializeGUCOptions | ( | void | ) |
Definition at line 3876 of file guc.c.
References build_guc_variables(), i, InitializeGUCOptionsFromEnvironment(), InitializeOneGUCOption(), pg_timezone_initialize(), PGC_POSTMASTER, PGC_S_OVERRIDE, and SetConfigOption().
Referenced by AuxiliaryProcessMain(), PostgresMain(), and PostmasterMain().
{
int i;
/*
* Before log_line_prefix could possibly receive a nonempty setting, make
* sure that timezone processing is minimally alive (see elog.c).
*/
pg_timezone_initialize();
/*
* Build sorted array of all GUC variables.
*/
build_guc_variables();
/*
* Load all variables with their compiled-in defaults, and initialize
* status fields as needed.
*/
for (i = 0; i < num_guc_variables; i++)
{
InitializeOneGUCOption(guc_variables[i]);
}
guc_dirty = false;
reporting_enabled = false;
/*
* Prevent any attempt to override the transaction modes from
* non-interactive sources.
*/
SetConfigOption("transaction_isolation", "default",
PGC_POSTMASTER, PGC_S_OVERRIDE);
SetConfigOption("transaction_read_only", "no",
PGC_POSTMASTER, PGC_S_OVERRIDE);
SetConfigOption("transaction_deferrable", "no",
PGC_POSTMASTER, PGC_S_OVERRIDE);
/*
* For historical reasons, some GUC parameters can receive defaults from
* environment variables. Process those settings.
*/
InitializeGUCOptionsFromEnvironment();
}
| static void InitializeGUCOptionsFromEnvironment | ( | void | ) | [static] |
Definition at line 3932 of file guc.c.
References get_stack_depth_rlimit(), Min, NULL, PGC_POSTMASTER, PGC_S_ENV_VAR, and SetConfigOption().
Referenced by InitializeGUCOptions().
{
char *env;
long stack_rlimit;
env = getenv("PGPORT");
if (env != NULL)
SetConfigOption("port", env, PGC_POSTMASTER, PGC_S_ENV_VAR);
env = getenv("PGDATESTYLE");
if (env != NULL)
SetConfigOption("datestyle", env, PGC_POSTMASTER, PGC_S_ENV_VAR);
env = getenv("PGCLIENTENCODING");
if (env != NULL)
SetConfigOption("client_encoding", env, PGC_POSTMASTER, PGC_S_ENV_VAR);
/*
* rlimit isn't exactly an "environment variable", but it behaves about
* the same. If we can identify the platform stack depth rlimit, increase
* default stack depth setting up to whatever is safe (but at most 2MB).
*/
stack_rlimit = get_stack_depth_rlimit();
if (stack_rlimit > 0)
{
long new_limit = (stack_rlimit - STACK_DEPTH_SLOP) / 1024L;
if (new_limit > 100)
{
char limbuf[16];
new_limit = Min(new_limit, 2048);
sprintf(limbuf, "%ld", new_limit);
SetConfigOption("max_stack_depth", limbuf,
PGC_POSTMASTER, PGC_S_ENV_VAR);
}
}
}
| static void InitializeOneGUCOption | ( | struct config_generic * | gconf | ) | [static] |
Definition at line 3978 of file guc.c.
References Assert, config_enum::assign_hook, config_string::assign_hook, config_real::assign_hook, config_int::assign_hook, config_bool::assign_hook, config_enum::boot_val, config_string::boot_val, config_real::boot_val, config_int::boot_val, config_bool::boot_val, call_bool_check_hook(), call_enum_check_hook(), call_int_check_hook(), call_real_check_hook(), call_string_check_hook(), elog, config_generic::extra, FATAL, config_enum::gen, config_string::gen, config_real::gen, config_int::gen, config_bool::gen, guc_strdup(), LOG, config_real::max, config_int::max, config_real::min, config_int::min, config_generic::name, NULL, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_S_DEFAULT, PGC_STRING, config_enum::reset_extra, config_string::reset_extra, config_real::reset_extra, config_int::reset_extra, config_bool::reset_extra, config_generic::reset_scontext, config_generic::reset_source, config_enum::reset_val, config_string::reset_val, config_real::reset_val, config_int::reset_val, config_bool::reset_val, config_generic::scontext, config_generic::source, config_generic::sourcefile, config_generic::sourceline, config_generic::stack, config_generic::status, config_enum::variable, config_string::variable, config_real::variable, config_int::variable, config_bool::variable, and config_generic::vartype.
Referenced by define_custom_variable(), and InitializeGUCOptions().
{
gconf->status = 0;
gconf->source = PGC_S_DEFAULT;
gconf->reset_source = PGC_S_DEFAULT;
gconf->scontext = PGC_INTERNAL;
gconf->reset_scontext = PGC_INTERNAL;
gconf->stack = NULL;
gconf->extra = NULL;
gconf->sourcefile = NULL;
gconf->sourceline = 0;
switch (gconf->vartype)
{
case PGC_BOOL:
{
struct config_bool *conf = (struct config_bool *) gconf;
bool newval = conf->boot_val;
void *extra = NULL;
if (!call_bool_check_hook(conf, &newval, &extra,
PGC_S_DEFAULT, LOG))
elog(FATAL, "failed to initialize %s to %d",
conf->gen.name, (int) newval);
if (conf->assign_hook)
(*conf->assign_hook) (newval, extra);
*conf->variable = conf->reset_val = newval;
conf->gen.extra = conf->reset_extra = extra;
break;
}
case PGC_INT:
{
struct config_int *conf = (struct config_int *) gconf;
int newval = conf->boot_val;
void *extra = NULL;
Assert(newval >= conf->min);
Assert(newval <= conf->max);
if (!call_int_check_hook(conf, &newval, &extra,
PGC_S_DEFAULT, LOG))
elog(FATAL, "failed to initialize %s to %d",
conf->gen.name, newval);
if (conf->assign_hook)
(*conf->assign_hook) (newval, extra);
*conf->variable = conf->reset_val = newval;
conf->gen.extra = conf->reset_extra = extra;
break;
}
case PGC_REAL:
{
struct config_real *conf = (struct config_real *) gconf;
double newval = conf->boot_val;
void *extra = NULL;
Assert(newval >= conf->min);
Assert(newval <= conf->max);
if (!call_real_check_hook(conf, &newval, &extra,
PGC_S_DEFAULT, LOG))
elog(FATAL, "failed to initialize %s to %g",
conf->gen.name, newval);
if (conf->assign_hook)
(*conf->assign_hook) (newval, extra);
*conf->variable = conf->reset_val = newval;
conf->gen.extra = conf->reset_extra = extra;
break;
}
case PGC_STRING:
{
struct config_string *conf = (struct config_string *) gconf;
char *newval;
void *extra = NULL;
/* non-NULL boot_val must always get strdup'd */
if (conf->boot_val != NULL)
newval = guc_strdup(FATAL, conf->boot_val);
else
newval = NULL;
if (!call_string_check_hook(conf, &newval, &extra,
PGC_S_DEFAULT, LOG))
elog(FATAL, "failed to initialize %s to \"%s\"",
conf->gen.name, newval ? newval : "");
if (conf->assign_hook)
(*conf->assign_hook) (newval, extra);
*conf->variable = conf->reset_val = newval;
conf->gen.extra = conf->reset_extra = extra;
break;
}
case PGC_ENUM:
{
struct config_enum *conf = (struct config_enum *) gconf;
int newval = conf->boot_val;
void *extra = NULL;
if (!call_enum_check_hook(conf, &newval, &extra,
PGC_S_DEFAULT, LOG))
elog(FATAL, "failed to initialize %s to %d",
conf->gen.name, newval);
if (conf->assign_hook)
(*conf->assign_hook) (newval, extra);
*conf->variable = conf->reset_val = newval;
conf->gen.extra = conf->reset_extra = extra;
break;
}
}
}
| int NewGUCNestLevel | ( | void | ) |
Definition at line 4450 of file guc.c.
Referenced by applyRemoteGucs(), do_analyze_rel(), execute_extension_script(), fmgr_security_definer(), index_build(), ProcedureCreate(), PushTransaction(), RI_Initial_Check(), set_transmission_modes(), vacuum_rel(), and validate_index().
{
return ++GUCNestLevel;
}
| bool parse_int | ( | const char * | value, | |
| int * | result, | |||
| int | flags, | |||
| const char ** | hintmsg | |||
| ) |
Definition at line 4800 of file guc.c.
References gettext_noop, GUC_UNIT_BLOCKS, GUC_UNIT_KB, GUC_UNIT_MEMORY, GUC_UNIT_MIN, GUC_UNIT_MS, GUC_UNIT_S, GUC_UNIT_TIME, GUC_UNIT_XBLOCKS, KB_PER_GB, KB_PER_MB, and val.
Referenced by parse_one_reloption(), and set_config_option().
{
int64 val;
char *endptr;
/* To suppress compiler warnings, always set output params */
if (result)
*result = 0;
if (hintmsg)
*hintmsg = NULL;
/* We assume here that int64 is at least as wide as long */
errno = 0;
val = strtol(value, &endptr, 0);
if (endptr == value)
return false; /* no HINT for integer syntax error */
if (errno == ERANGE || val != (int64) ((int32) val))
{
if (hintmsg)
*hintmsg = gettext_noop("Value exceeds integer range.");
return false;
}
/* allow whitespace between integer and unit */
while (isspace((unsigned char) *endptr))
endptr++;
/* Handle possible unit */
if (*endptr != '\0')
{
/*
* Note: the multiple-switch coding technique here is a bit tedious,
* but seems necessary to avoid intermediate-value overflows.
*/
if (flags & GUC_UNIT_MEMORY)
{
/* Set hint for use if no match or trailing garbage */
if (hintmsg)
*hintmsg = gettext_noop("Valid units for this parameter are \"kB\", \"MB\", and \"GB\".");
#if BLCKSZ < 1024 || BLCKSZ > (1024*1024)
#error BLCKSZ must be between 1KB and 1MB
#endif
#if XLOG_BLCKSZ < 1024 || XLOG_BLCKSZ > (1024*1024)
#error XLOG_BLCKSZ must be between 1KB and 1MB
#endif
if (strncmp(endptr, "kB", 2) == 0)
{
endptr += 2;
switch (flags & GUC_UNIT_MEMORY)
{
case GUC_UNIT_BLOCKS:
val /= (BLCKSZ / 1024);
break;
case GUC_UNIT_XBLOCKS:
val /= (XLOG_BLCKSZ / 1024);
break;
}
}
else if (strncmp(endptr, "MB", 2) == 0)
{
endptr += 2;
switch (flags & GUC_UNIT_MEMORY)
{
case GUC_UNIT_KB:
val *= KB_PER_MB;
break;
case GUC_UNIT_BLOCKS:
val *= KB_PER_MB / (BLCKSZ / 1024);
break;
case GUC_UNIT_XBLOCKS:
val *= KB_PER_MB / (XLOG_BLCKSZ / 1024);
break;
}
}
else if (strncmp(endptr, "GB", 2) == 0)
{
endptr += 2;
switch (flags & GUC_UNIT_MEMORY)
{
case GUC_UNIT_KB:
val *= KB_PER_GB;
break;
case GUC_UNIT_BLOCKS:
val *= KB_PER_GB / (BLCKSZ / 1024);
break;
case GUC_UNIT_XBLOCKS:
val *= KB_PER_GB / (XLOG_BLCKSZ / 1024);
break;
}
}
}
else if (flags & GUC_UNIT_TIME)
{
/* Set hint for use if no match or trailing garbage */
if (hintmsg)
*hintmsg = gettext_noop("Valid units for this parameter are \"ms\", \"s\", \"min\", \"h\", and \"d\".");
if (strncmp(endptr, "ms", 2) == 0)
{
endptr += 2;
switch (flags & GUC_UNIT_TIME)
{
case GUC_UNIT_S:
val /= MS_PER_S;
break;
case GUC_UNIT_MIN:
val /= MS_PER_MIN;
break;
}
}
else if (strncmp(endptr, "s", 1) == 0)
{
endptr += 1;
switch (flags & GUC_UNIT_TIME)
{
case GUC_UNIT_MS:
val *= MS_PER_S;
break;
case GUC_UNIT_MIN:
val /= S_PER_MIN;
break;
}
}
else if (strncmp(endptr, "min", 3) == 0)
{
endptr += 3;
switch (flags & GUC_UNIT_TIME)
{
case GUC_UNIT_MS:
val *= MS_PER_MIN;
break;
case GUC_UNIT_S:
val *= S_PER_MIN;
break;
}
}
else if (strncmp(endptr, "h", 1) == 0)
{
endptr += 1;
switch (flags & GUC_UNIT_TIME)
{
case GUC_UNIT_MS:
val *= MS_PER_H;
break;
case GUC_UNIT_S:
val *= S_PER_H;
break;
case GUC_UNIT_MIN:
val *= MIN_PER_H;
break;
}
}
else if (strncmp(endptr, "d", 1) == 0)
{
endptr += 1;
switch (flags & GUC_UNIT_TIME)
{
case GUC_UNIT_MS:
val *= MS_PER_D;
break;
case GUC_UNIT_S:
val *= S_PER_D;
break;
case GUC_UNIT_MIN:
val *= MIN_PER_D;
break;
}
}
}
/* allow whitespace after unit */
while (isspace((unsigned char) *endptr))
endptr++;
if (*endptr != '\0')
return false; /* appropriate hint, if any, already set */
/* Check for overflow due to units conversion */
if (val != (int64) ((int32) val))
{
if (hintmsg)
*hintmsg = gettext_noop("Value exceeds integer range.");
return false;
}
}
if (result)
*result = (int) val;
return true;
}
| bool parse_real | ( | const char * | value, | |
| double * | result | |||
| ) |
Definition at line 5003 of file guc.c.
References val.
Referenced by parse_one_reloption(), and set_config_option().
{
double val;
char *endptr;
if (result)
*result = 0; /* suppress compiler warning */
errno = 0;
val = strtod(value, &endptr);
if (endptr == value || errno == ERANGE)
return false;
/* allow whitespace after number */
while (isspace((unsigned char) *endptr))
endptr++;
if (*endptr != '\0')
return false;
if (result)
*result = val;
return true;
}
| void ParseLongOption | ( | const char * | string, | |
| char ** | name, | |||
| char ** | value | |||
| ) |
Definition at line 7733 of file guc.c.
References AssertArg, FATAL, guc_malloc(), guc_strdup(), and strlcpy().
Referenced by AuxiliaryProcessMain(), PostmasterMain(), process_postgres_switches(), and ProcessGUCArray().
{
size_t equal_pos;
char *cp;
AssertArg(string);
AssertArg(name);
AssertArg(value);
equal_pos = strcspn(string, "=");
if (string[equal_pos] == '=')
{
*name = guc_malloc(FATAL, equal_pos + 1);
strlcpy(*name, string, equal_pos + 1);
*value = guc_strdup(FATAL, &string[equal_pos + 1]);
}
else
{
/* no equal sign in string */
*name = guc_strdup(FATAL, string);
*value = NULL;
}
for (cp = *name; *cp; cp++)
if (*cp == '-')
*cp = '_';
}
| static void pg_timezone_abbrev_initialize | ( | void | ) | [static] |
Definition at line 8569 of file guc.c.
References PGC_POSTMASTER, PGC_S_DYNAMIC_DEFAULT, and SetConfigOption().
Referenced by SelectConfigFiles().
{
SetConfigOption("timezone_abbreviations", "Default",
PGC_POSTMASTER, PGC_S_DYNAMIC_DEFAULT);
}
| void ProcessGUCArray | ( | ArrayType * | array, | |
| GucContext | context, | |||
| GucSource | source, | |||
| GucAction | action | |||
| ) |
Definition at line 7771 of file guc.c.
References ARR_DIMS, ARR_ELEMTYPE, ARR_LBOUND, ARR_NDIM, array_ref(), Assert, ereport, errcode(), errmsg(), free, name, NULL, ParseLongOption(), pfree(), set_config_option(), TextDatumGetCString, TEXTOID, value, and WARNING.
Referenced by ApplySetting(), fmgr_security_definer(), and ProcedureCreate().
{
int i;
Assert(array != NULL);
Assert(ARR_ELEMTYPE(array) == TEXTOID);
Assert(ARR_NDIM(array) == 1);
Assert(ARR_LBOUND(array)[0] == 1);
for (i = 1; i <= ARR_DIMS(array)[0]; i++)
{
Datum d;
bool isnull;
char *s;
char *name;
char *value;
d = array_ref(array, 1, &i,
-1 /* varlenarray */ ,
-1 /* TEXT's typlen */ ,
false /* TEXT's typbyval */ ,
'i' /* TEXT's typalign */ ,
&isnull);
if (isnull)
continue;
s = TextDatumGetCString(d);
ParseLongOption(s, &name, &value);
if (!value)
{
ereport(WARNING,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("could not parse setting for parameter \"%s\"",
name)));
free(name);
continue;
}
(void) set_config_option(name, value,
context, source,
action, true, 0);
free(name);
if (value)
free(value);
pfree(s);
}
}
| static void push_old_value | ( | struct config_generic * | gconf, | |
| GucAction | action | |||
| ) | [static] |
Definition at line 4349 of file guc.c.
References Assert, discard_stack_value(), GUC_ACTION_LOCAL, GUC_ACTION_SAVE, GUC_ACTION_SET, GUC_SAVE, GUC_SET, GUC_SET_LOCAL, guc_stack::masked, guc_stack::masked_scontext, MemoryContextAllocZero(), guc_stack::nest_level, guc_stack::prev, guc_stack::prior, guc_stack::scontext, config_generic::scontext, set_stack_value(), config_generic::source, guc_stack::source, config_generic::stack, guc_stack::state, and TopTransactionContext.
Referenced by ResetAllOptions(), and set_config_option().
{
GucStack *stack;
/* If we're not inside a nest level, do nothing */
if (GUCNestLevel == 0)
return;
/* Do we already have a stack entry of the current nest level? */
stack = gconf->stack;
if (stack && stack->nest_level >= GUCNestLevel)
{
/* Yes, so adjust its state if necessary */
Assert(stack->nest_level == GUCNestLevel);
switch (action)
{
case GUC_ACTION_SET:
/* SET overrides any prior action at same nest level */
if (stack->state == GUC_SET_LOCAL)
{
/* must discard old masked value */
discard_stack_value(gconf, &stack->masked);
}
stack->state = GUC_SET;
break;
case GUC_ACTION_LOCAL:
if (stack->state == GUC_SET)
{
/* SET followed by SET LOCAL, remember SET's value */
stack->masked_scontext = gconf->scontext;
set_stack_value(gconf, &stack->masked);
stack->state = GUC_SET_LOCAL;
}
/* in all other cases, no change to stack entry */
break;
case GUC_ACTION_SAVE:
/* Could only have a prior SAVE of same variable */
Assert(stack->state == GUC_SAVE);
break;
}
Assert(guc_dirty); /* must be set already */
return;
}
/*
* Push a new stack entry
*
* We keep all the stack entries in TopTransactionContext for simplicity.
*/
stack = (GucStack *) MemoryContextAllocZero(TopTransactionContext,
sizeof(GucStack));
stack->prev = gconf->stack;
stack->nest_level = GUCNestLevel;
switch (action)
{
case GUC_ACTION_SET:
stack->state = GUC_SET;
break;
case GUC_ACTION_LOCAL:
stack->state = GUC_LOCAL;
break;
case GUC_ACTION_SAVE:
stack->state = GUC_SAVE;
break;
}
stack->source = gconf->source;
stack->scontext = gconf->scontext;
set_stack_value(gconf, &stack->prior);
gconf->stack = stack;
/* Ensure we remember to pop at end of xact */
guc_dirty = true;
}
| static void reapply_stacked_values | ( | struct config_generic * | variable, | |
| struct config_string * | pHolder, | |||
| GucStack * | stack, | |||
| const char * | curvalue, | |||
| GucContext | curscontext, | |||
| GucSource | cursource | |||
| ) | [static] |
Definition at line 6529 of file guc.c.
References config_string::gen, GUC_ACTION_LOCAL, GUC_ACTION_SAVE, GUC_ACTION_SET, GUC_LOCAL, GUC_SAVE, GUC_SET, GUC_SET_LOCAL, guc_stack::masked, guc_stack::masked_scontext, config_generic::name, name, guc_stack::nest_level, NULL, PGC_S_SESSION, guc_stack::prev, guc_stack::prior, config_generic::reset_scontext, config_generic::reset_source, config_string::reset_val, guc_stack::scontext, set_config_option(), guc_stack::source, config_generic::stack, guc_stack::state, config_var_val::stringval, config_var_value::val, and WARNING.
Referenced by define_custom_variable().
{
const char *name = variable->name;
GucStack *oldvarstack = variable->stack;
if (stack != NULL)
{
/* First, recurse, so that stack items are processed bottom to top */
reapply_stacked_values(variable, pHolder, stack->prev,
stack->prior.val.stringval,
stack->scontext, stack->source);
/* See how to apply the passed-in value */
switch (stack->state)
{
case GUC_SAVE:
(void) set_config_option(name, curvalue,
curscontext, cursource,
GUC_ACTION_SAVE, true, WARNING);
break;
case GUC_SET:
(void) set_config_option(name, curvalue,
curscontext, cursource,
GUC_ACTION_SET, true, WARNING);
break;
case GUC_LOCAL:
(void) set_config_option(name, curvalue,
curscontext, cursource,
GUC_ACTION_LOCAL, true, WARNING);
break;
case GUC_SET_LOCAL:
/* first, apply the masked value as SET */
(void) set_config_option(name, stack->masked.val.stringval,
stack->masked_scontext, PGC_S_SESSION,
GUC_ACTION_SET, true, WARNING);
/* then apply the current value as LOCAL */
(void) set_config_option(name, curvalue,
curscontext, cursource,
GUC_ACTION_LOCAL, true, WARNING);
break;
}
/* If we successfully made a stack entry, adjust its nest level */
if (variable->stack != oldvarstack)
variable->stack->nest_level = stack->nest_level;
}
else
{
/*
* We are at the end of the stack. If the active/previous value is
* different from the reset value, it must represent a previously
* committed session value. Apply it, and then drop the stack entry
* that set_config_option will have created under the impression that
* this is to be just a transactional assignment. (We leak the stack
* entry.)
*/
if (curvalue != pHolder->reset_val ||
curscontext != pHolder->gen.reset_scontext ||
cursource != pHolder->gen.reset_source)
{
(void) set_config_option(name, curvalue,
curscontext, cursource,
GUC_ACTION_SET, true, WARNING);
variable->stack = NULL;
}
}
}
| static void ReportGUCOption | ( | struct config_generic * | record | ) | [static] |
Definition at line 4773 of file guc.c.
References _ShowOption(), config_generic::flags, GUC_REPORT, config_generic::name, pfree(), pq_beginmessage(), pq_endmessage(), pq_sendstring(), and val.
Referenced by AtEOXact_GUC(), BeginReportingGUCOptions(), ResetAllOptions(), and set_config_option().
{
if (reporting_enabled && (record->flags & GUC_REPORT))
{
char *val = _ShowOption(record, false);
StringInfoData msgbuf;
pq_beginmessage(&msgbuf, 'S');
pq_sendstring(&msgbuf, record->name);
pq_sendstring(&msgbuf, val);
pq_endmessage(&msgbuf);
pfree(val);
}
}
| void ResetAllOptions | ( | void | ) |
Definition at line 4249 of file guc.c.
References config_enum::assign_hook, config_string::assign_hook, config_real::assign_hook, config_int::assign_hook, config_bool::assign_hook, config_generic::context, config_generic::extra, config_generic::flags, config_enum::gen, config_string::gen, config_real::gen, config_int::gen, config_bool::gen, GUC_ACTION_SET, GUC_NO_RESET_ALL, GUC_REPORT, i, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_S_OVERRIDE, PGC_STRING, PGC_SUSET, PGC_USERSET, push_old_value(), ReportGUCOption(), config_enum::reset_extra, config_string::reset_extra, config_real::reset_extra, config_int::reset_extra, config_bool::reset_extra, config_generic::reset_scontext, config_generic::reset_source, config_enum::reset_val, config_string::reset_val, config_real::reset_val, config_int::reset_val, config_bool::reset_val, config_generic::scontext, set_extra_field(), set_string_field(), config_generic::source, config_enum::variable, config_string::variable, config_real::variable, config_int::variable, config_bool::variable, and config_generic::vartype.
Referenced by DiscardAll(), and ExecSetVariableStmt().
{
int i;
for (i = 0; i < num_guc_variables; i++)
{
struct config_generic *gconf = guc_variables[i];
/* Don't reset non-SET-able values */
if (gconf->context != PGC_SUSET &&
gconf->context != PGC_USERSET)
continue;
/* Don't reset if special exclusion from RESET ALL */
if (gconf->flags & GUC_NO_RESET_ALL)
continue;
/* No need to reset if wasn't SET */
if (gconf->source <= PGC_S_OVERRIDE)
continue;
/* Save old value to support transaction abort */
push_old_value(gconf, GUC_ACTION_SET);
switch (gconf->vartype)
{
case PGC_BOOL:
{
struct config_bool *conf = (struct config_bool *) gconf;
if (conf->assign_hook)
(*conf->assign_hook) (conf->reset_val,
conf->reset_extra);
*conf->variable = conf->reset_val;
set_extra_field(&conf->gen, &conf->gen.extra,
conf->reset_extra);
break;
}
case PGC_INT:
{
struct config_int *conf = (struct config_int *) gconf;
if (conf->assign_hook)
(*conf->assign_hook) (conf->reset_val,
conf->reset_extra);
*conf->variable = conf->reset_val;
set_extra_field(&conf->gen, &conf->gen.extra,
conf->reset_extra);
break;
}
case PGC_REAL:
{
struct config_real *conf = (struct config_real *) gconf;
if (conf->assign_hook)
(*conf->assign_hook) (conf->reset_val,
conf->reset_extra);
*conf->variable = conf->reset_val;
set_extra_field(&conf->gen, &conf->gen.extra,
conf->reset_extra);
break;
}
case PGC_STRING:
{
struct config_string *conf = (struct config_string *) gconf;
if (conf->assign_hook)
(*conf->assign_hook) (conf->reset_val,
conf->reset_extra);
set_string_field(conf, conf->variable, conf->reset_val);
set_extra_field(&conf->gen, &conf->gen.extra,
conf->reset_extra);
break;
}
case PGC_ENUM:
{
struct config_enum *conf = (struct config_enum *) gconf;
if (conf->assign_hook)
(*conf->assign_hook) (conf->reset_val,
conf->reset_extra);
*conf->variable = conf->reset_val;
set_extra_field(&conf->gen, &conf->gen.extra,
conf->reset_extra);
break;
}
}
gconf->source = gconf->reset_source;
gconf->scontext = gconf->reset_scontext;
if (gconf->flags & GUC_REPORT)
ReportGUCOption(gconf);
}
}
| bool SelectConfigFiles | ( | const char * | userDoption, | |
| const char * | progname | |||
| ) |
Definition at line 4098 of file guc.c.
References CONFIG_FILENAME, ConfigFileName, data_directory, DataDir, FATAL, free, guc_malloc(), HBA_FILENAME, HbaFileName, IDENT_FILENAME, IdentFileName, make_absolute_path(), pg_timezone_abbrev_initialize(), PGC_POSTMASTER, PGC_S_OVERRIDE, ProcessConfigFile(), SetConfigOption(), SetDataDir(), strerror(), and write_stderr.
Referenced by AuxiliaryProcessMain(), PostgresMain(), and PostmasterMain().
{
char *configdir;
char *fname;
struct stat stat_buf;
/* configdir is -D option, or $PGDATA if no -D */
if (userDoption)
configdir = make_absolute_path(userDoption);
else
configdir = make_absolute_path(getenv("PGDATA"));
/*
* Find the configuration file: if config_file was specified on the
* command line, use it, else use configdir/postgresql.conf. In any case
* ensure the result is an absolute path, so that it will be interpreted
* the same way by future backends.
*/
if (ConfigFileName)
fname = make_absolute_path(ConfigFileName);
else if (configdir)
{
fname = guc_malloc(FATAL,
strlen(configdir) + strlen(CONFIG_FILENAME) + 2);
sprintf(fname, "%s/%s", configdir, CONFIG_FILENAME);
}
else
{
write_stderr("%s does not know where to find the server configuration file.\n"
"You must specify the --config-file or -D invocation "
"option or set the PGDATA environment variable.\n",
progname);
return false;
}
/*
* Set the ConfigFileName GUC variable to its final value, ensuring that
* it can't be overridden later.
*/
SetConfigOption("config_file", fname, PGC_POSTMASTER, PGC_S_OVERRIDE);
free(fname);
/*
* Now read the config file for the first time.
*/
if (stat(ConfigFileName, &stat_buf) != 0)
{
write_stderr("%s cannot access the server configuration file \"%s\": %s\n",
progname, ConfigFileName, strerror(errno));
free(configdir);
return false;
}
ProcessConfigFile(PGC_POSTMASTER);
/*
* If the data_directory GUC variable has been set, use that as DataDir;
* otherwise use configdir if set; else punt.
*
* Note: SetDataDir will copy and absolute-ize its argument, so we don't
* have to.
*/
if (data_directory)
SetDataDir(data_directory);
else if (configdir)
SetDataDir(configdir);
else
{
write_stderr("%s does not know where to find the database system data.\n"
"This can be specified as \"data_directory\" in \"%s\", "
"or by the -D invocation option, or by the "
"PGDATA environment variable.\n",
progname, ConfigFileName);
return false;
}
/*
* Reflect the final DataDir value back into the data_directory GUC var.
* (If you are wondering why we don't just make them a single variable,
* it's because the EXEC_BACKEND case needs DataDir to be transmitted to
* child backends specially. XXX is that still true? Given that we now
* chdir to DataDir, EXEC_BACKEND can read the config file without knowing
* DataDir in advance.)
*/
SetConfigOption("data_directory", DataDir, PGC_POSTMASTER, PGC_S_OVERRIDE);
/*
* If timezone_abbreviations wasn't set in the configuration file, install
* the default value. We do it this way because we can't safely install a
* "real" value until my_exec_path is set, which may not have happened
* when InitializeGUCOptions runs, so the bootstrap default value cannot
* be the real desired default.
*/
pg_timezone_abbrev_initialize();
/*
* Figure out where pg_hba.conf is, and make sure the path is absolute.
*/
if (HbaFileName)
fname = make_absolute_path(HbaFileName);
else if (configdir)
{
fname = guc_malloc(FATAL,
strlen(configdir) + strlen(HBA_FILENAME) + 2);
sprintf(fname, "%s/%s", configdir, HBA_FILENAME);
}
else
{
write_stderr("%s does not know where to find the \"hba\" configuration file.\n"
"This can be specified as \"hba_file\" in \"%s\", "
"or by the -D invocation option, or by the "
"PGDATA environment variable.\n",
progname, ConfigFileName);
return false;
}
SetConfigOption("hba_file", fname, PGC_POSTMASTER, PGC_S_OVERRIDE);
free(fname);
/*
* Likewise for pg_ident.conf.
*/
if (IdentFileName)
fname = make_absolute_path(IdentFileName);
else if (configdir)
{
fname = guc_malloc(FATAL,
strlen(configdir) + strlen(IDENT_FILENAME) + 2);
sprintf(fname, "%s/%s", configdir, IDENT_FILENAME);
}
else
{
write_stderr("%s does not know where to find the \"ident\" configuration file.\n"
"This can be specified as \"ident_file\" in \"%s\", "
"or by the -D invocation option, or by the "
"PGDATA environment variable.\n",
progname, ConfigFileName);
return false;
}
SetConfigOption("ident_file", fname, PGC_POSTMASTER, PGC_S_OVERRIDE);
free(fname);
free(configdir);
return true;
}
| Datum set_config_by_name | ( | PG_FUNCTION_ARGS | ) |
Definition at line 6337 of file guc.c.
References cstring_to_text(), ereport, errcode(), errmsg(), ERROR, GetConfigOptionByName(), GUC_ACTION_LOCAL, name, NULL, PG_ARGISNULL, PG_GETARG_BOOL, PG_GETARG_DATUM, PG_RETURN_TEXT_P, PGC_SUSET, PGC_USERSET, set_config_option(), superuser(), TextDatumGetCString, and value.
{
char *name;
char *value;
char *new_value;
bool is_local;
if (PG_ARGISNULL(0))
ereport(ERROR,
(errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),
errmsg("SET requires parameter name")));
/* Get the GUC variable name */
name = TextDatumGetCString(PG_GETARG_DATUM(0));
/* Get the desired value or set to NULL for a reset request */
if (PG_ARGISNULL(1))
value = NULL;
else
value = TextDatumGetCString(PG_GETARG_DATUM(1));
/*
* Get the desired state of is_local. Default to false if provided value
* is NULL
*/
if (PG_ARGISNULL(2))
is_local = false;
else
is_local = PG_GETARG_BOOL(2);
/* Note SET DEFAULT (argstring == NULL) is equivalent to RESET */
(void) set_config_option(name,
value,
(superuser() ? PGC_SUSET : PGC_USERSET),
PGC_S_SESSION,
is_local ? GUC_ACTION_LOCAL : GUC_ACTION_SET,
true,
0);
/* get the new current value */
new_value = GetConfigOptionByName(name, NULL);
/* Convert return string to text */
PG_RETURN_TEXT_P(cstring_to_text(new_value));
}
| int set_config_option | ( | const char * | name, | |
| const char * | value, | |||
| GucContext | context, | |||
| GucSource | source, | |||
| GucAction | action, | |||
| bool | changeVal, | |||
| int | elevel | |||
| ) |
Definition at line 5162 of file guc.c.
References _, config_enum::assign_hook, config_string::assign_hook, config_real::assign_hook, config_int::assign_hook, config_bool::assign_hook, config_var_val::boolval, config_enum::boot_val, config_string::boot_val, config_real::boot_val, config_int::boot_val, config_bool::boot_val, call_bool_check_hook(), call_enum_check_hook(), call_int_check_hook(), call_real_check_hook(), call_string_check_hook(), config_enum_get_options(), config_enum_lookup_by_name(), config_generic::context, DEBUG3, elog, config_var_val::enumval, ereport, errcode(), errhint(), errmsg(), config_var_value::extra, config_generic::extra, extra_field_used(), find_option(), config_generic::flags, free, config_enum::gen, config_string::gen, config_real::gen, config_int::gen, config_bool::gen, GUC_IS_NAME, GUC_NOT_WHILE_SEC_REST, GUC_REPORT, guc_strdup(), InLocalUserIdChange(), InSecurityRestrictedOperation(), config_var_val::intval, IsUnderPostmaster, config_real::max, config_int::max, config_real::min, config_int::min, NULL, parse_bool(), parse_int(), parse_real(), pfree(), PGC_BACKEND, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_INTERNAL, PGC_POSTMASTER, PGC_REAL, PGC_S_CLIENT, PGC_S_DATABASE, PGC_S_DATABASE_USER, PGC_S_DEFAULT, PGC_S_FILE, PGC_S_GLOBAL, PGC_S_USER, PGC_SIGHUP, PGC_STRING, PGC_SUSET, PGC_USERSET, guc_stack::prev, guc_stack::prior, push_old_value(), config_var_val::realval, ReportGUCOption(), config_enum::reset_extra, config_string::reset_extra, config_real::reset_extra, config_int::reset_extra, config_bool::reset_extra, config_generic::reset_scontext, config_generic::reset_source, config_enum::reset_val, config_string::reset_val, config_real::reset_val, config_int::reset_val, config_bool::reset_val, guc_stack::scontext, config_generic::scontext, set_extra_field(), set_string_field(), guc_stack::source, config_generic::source, config_generic::stack, string_field_used(), config_var_val::stringval, truncate_identifier(), config_var_value::val, config_enum::variable, config_string::variable, config_real::variable, config_int::variable, config_bool::variable, and config_generic::vartype.
Referenced by applyRemoteGucs(), define_custom_variable(), ExecSetVariableStmt(), execute_extension_script(), ProcessGUCArray(), reapply_stacked_values(), RI_Initial_Check(), set_config_by_name(), set_transmission_modes(), SetConfigOption(), SetPGVariable(), and validate_option_array_item().
{
struct config_generic *record;
bool prohibitValueChange = false;
bool makeDefault;
if (elevel == 0)
{
if (source == PGC_S_DEFAULT || source == PGC_S_FILE)
{
/*
* To avoid cluttering the log, only the postmaster bleats loudly
* about problems with the config file.
*/
elevel = IsUnderPostmaster ? DEBUG3 : LOG;
}
else if (source == PGC_S_GLOBAL || source == PGC_S_DATABASE || source == PGC_S_USER ||
source == PGC_S_DATABASE_USER)
elevel = WARNING;
else
elevel = ERROR;
}
record = find_option(name, true, elevel);
if (record == NULL)
{
ereport(elevel,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("unrecognized configuration parameter \"%s\"", name)));
return 0;
}
/*
* Check if the option can be set at this time. See guc.h for the precise
* rules.
*/
switch (record->context)
{
case PGC_INTERNAL:
if (context != PGC_INTERNAL)
{
ereport(elevel,
(errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
errmsg("parameter \"%s\" cannot be changed",
name)));
return 0;
}
break;
case PGC_POSTMASTER:
if (context == PGC_SIGHUP)
{
/*
* We are re-reading a PGC_POSTMASTER variable from
* postgresql.conf. We can't change the setting, so we should
* give a warning if the DBA tries to change it. However,
* because of variant formats, canonicalization by check
* hooks, etc, we can't just compare the given string directly
* to what's stored. Set a flag to check below after we have
* the final storable value.
*/
prohibitValueChange = true;
}
else if (context != PGC_POSTMASTER)
{
ereport(elevel,
(errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
errmsg("parameter \"%s\" cannot be changed without restarting the server",
name)));
return 0;
}
break;
case PGC_SIGHUP:
if (context != PGC_SIGHUP && context != PGC_POSTMASTER)
{
ereport(elevel,
(errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
errmsg("parameter \"%s\" cannot be changed now",
name)));
return 0;
}
/*
* Hmm, the idea of the SIGHUP context is "ought to be global, but
* can be changed after postmaster start". But there's nothing
* that prevents a crafty administrator from sending SIGHUP
* signals to individual backends only.
*/
break;
case PGC_BACKEND:
if (context == PGC_SIGHUP)
{
/*
* If a PGC_BACKEND parameter is changed in the config file,
* we want to accept the new value in the postmaster (whence
* it will propagate to subsequently-started backends), but
* ignore it in existing backends. This is a tad klugy, but
* necessary because we don't re-read the config file during
* backend start.
*/
if (IsUnderPostmaster)
return -1;
}
else if (context != PGC_POSTMASTER && context != PGC_BACKEND &&
source != PGC_S_CLIENT)
{
ereport(elevel,
(errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
errmsg("parameter \"%s\" cannot be set after connection start",
name)));
return 0;
}
break;
case PGC_SUSET:
if (context == PGC_USERSET || context == PGC_BACKEND)
{
ereport(elevel,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("permission denied to set parameter \"%s\"",
name)));
return 0;
}
break;
case PGC_USERSET:
/* always okay */
break;
}
/*
* Disallow changing GUC_NOT_WHILE_SEC_REST values if we are inside a
* security restriction context. We can reject this regardless of the GUC
* context or source, mainly because sources that it might be reasonable
* to override for won't be seen while inside a function.
*
* Note: variables marked GUC_NOT_WHILE_SEC_REST should usually be marked
* GUC_NO_RESET_ALL as well, because ResetAllOptions() doesn't check this.
* An exception might be made if the reset value is assumed to be "safe".
*
* Note: this flag is currently used for "session_authorization" and
* "role". We need to prohibit changing these inside a local userid
* context because when we exit it, GUC won't be notified, leaving things
* out of sync. (This could be fixed by forcing a new GUC nesting level,
* but that would change behavior in possibly-undesirable ways.) Also, we
* prohibit changing these in a security-restricted operation because
* otherwise RESET could be used to regain the session user's privileges.
*/
if (record->flags & GUC_NOT_WHILE_SEC_REST)
{
if (InLocalUserIdChange())
{
/*
* Phrasing of this error message is historical, but it's the most
* common case.
*/
ereport(elevel,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("cannot set parameter \"%s\" within security-definer function",
name)));
return 0;
}
if (InSecurityRestrictedOperation())
{
ereport(elevel,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("cannot set parameter \"%s\" within security-restricted operation",
name)));
return 0;
}
}
/*
* Should we set reset/stacked values? (If so, the behavior is not
* transactional.) This is done either when we get a default value from
* the database's/user's/client's default settings or when we reset a
* value to its default.
*/
makeDefault = changeVal && (source <= PGC_S_OVERRIDE) &&
((value != NULL) || source == PGC_S_DEFAULT);
/*
* Ignore attempted set if overridden by previously processed setting.
* However, if changeVal is false then plow ahead anyway since we are
* trying to find out if the value is potentially good, not actually use
* it. Also keep going if makeDefault is true, since we may want to set
* the reset/stacked values even if we can't set the variable itself.
*/
if (record->source > source)
{
if (changeVal && !makeDefault)
{
elog(DEBUG3, "\"%s\": setting ignored because previous source is higher priority",
name);
return -1;
}
changeVal = false;
}
/*
* Evaluate value and set variable.
*/
switch (record->vartype)
{
case PGC_BOOL:
{
struct config_bool *conf = (struct config_bool *) record;
bool newval;
void *newextra = NULL;
if (value)
{
if (!parse_bool(value, &newval))
{
ereport(elevel,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("parameter \"%s\" requires a Boolean value",
name)));
return 0;
}
if (!call_bool_check_hook(conf, &newval, &newextra,
source, elevel))
return 0;
}
else if (source == PGC_S_DEFAULT)
{
newval = conf->boot_val;
if (!call_bool_check_hook(conf, &newval, &newextra,
source, elevel))
return 0;
}
else
{
newval = conf->reset_val;
newextra = conf->reset_extra;
source = conf->gen.reset_source;
context = conf->gen.reset_scontext;
}
if (prohibitValueChange)
{
if (*conf->variable != newval)
{
ereport(elevel,
(errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
errmsg("parameter \"%s\" cannot be changed without restarting the server",
name)));
return 0;
}
return -1;
}
if (changeVal)
{
/* Save old value to support transaction abort */
if (!makeDefault)
push_old_value(&conf->gen, action);
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
*conf->variable = newval;
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
conf->gen.source = source;
conf->gen.scontext = context;
}
if (makeDefault)
{
GucStack *stack;
if (conf->gen.reset_source <= source)
{
conf->reset_val = newval;
set_extra_field(&conf->gen, &conf->reset_extra,
newextra);
conf->gen.reset_source = source;
conf->gen.reset_scontext = context;
}
for (stack = conf->gen.stack; stack; stack = stack->prev)
{
if (stack->source <= source)
{
stack->prior.val.boolval = newval;
set_extra_field(&conf->gen, &stack->prior.extra,
newextra);
stack->source = source;
stack->scontext = context;
}
}
}
/* Perhaps we didn't install newextra anywhere */
if (newextra && !extra_field_used(&conf->gen, newextra))
free(newextra);
break;
}
case PGC_INT:
{
struct config_int *conf = (struct config_int *) record;
int newval;
void *newextra = NULL;
if (value)
{
const char *hintmsg;
if (!parse_int(value, &newval, conf->gen.flags, &hintmsg))
{
ereport(elevel,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid value for parameter \"%s\": \"%s\"",
name, value),
hintmsg ? errhint("%s", _(hintmsg)) : 0));
return 0;
}
if (newval < conf->min || newval > conf->max)
{
ereport(elevel,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("%d is outside the valid range for parameter \"%s\" (%d .. %d)",
newval, name, conf->min, conf->max)));
return 0;
}
if (!call_int_check_hook(conf, &newval, &newextra,
source, elevel))
return 0;
}
else if (source == PGC_S_DEFAULT)
{
newval = conf->boot_val;
if (!call_int_check_hook(conf, &newval, &newextra,
source, elevel))
return 0;
}
else
{
newval = conf->reset_val;
newextra = conf->reset_extra;
source = conf->gen.reset_source;
context = conf->gen.reset_scontext;
}
if (prohibitValueChange)
{
if (*conf->variable != newval)
{
ereport(elevel,
(errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
errmsg("parameter \"%s\" cannot be changed without restarting the server",
name)));
return 0;
}
return -1;
}
if (changeVal)
{
/* Save old value to support transaction abort */
if (!makeDefault)
push_old_value(&conf->gen, action);
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
*conf->variable = newval;
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
conf->gen.source = source;
conf->gen.scontext = context;
}
if (makeDefault)
{
GucStack *stack;
if (conf->gen.reset_source <= source)
{
conf->reset_val = newval;
set_extra_field(&conf->gen, &conf->reset_extra,
newextra);
conf->gen.reset_source = source;
conf->gen.reset_scontext = context;
}
for (stack = conf->gen.stack; stack; stack = stack->prev)
{
if (stack->source <= source)
{
stack->prior.val.intval = newval;
set_extra_field(&conf->gen, &stack->prior.extra,
newextra);
stack->source = source;
stack->scontext = context;
}
}
}
/* Perhaps we didn't install newextra anywhere */
if (newextra && !extra_field_used(&conf->gen, newextra))
free(newextra);
break;
}
case PGC_REAL:
{
struct config_real *conf = (struct config_real *) record;
double newval;
void *newextra = NULL;
if (value)
{
if (!parse_real(value, &newval))
{
ereport(elevel,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("parameter \"%s\" requires a numeric value",
name)));
return 0;
}
if (newval < conf->min || newval > conf->max)
{
ereport(elevel,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("%g is outside the valid range for parameter \"%s\" (%g .. %g)",
newval, name, conf->min, conf->max)));
return 0;
}
if (!call_real_check_hook(conf, &newval, &newextra,
source, elevel))
return 0;
}
else if (source == PGC_S_DEFAULT)
{
newval = conf->boot_val;
if (!call_real_check_hook(conf, &newval, &newextra,
source, elevel))
return 0;
}
else
{
newval = conf->reset_val;
newextra = conf->reset_extra;
source = conf->gen.reset_source;
context = conf->gen.reset_scontext;
}
if (prohibitValueChange)
{
if (*conf->variable != newval)
{
ereport(elevel,
(errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
errmsg("parameter \"%s\" cannot be changed without restarting the server",
name)));
return 0;
}
return -1;
}
if (changeVal)
{
/* Save old value to support transaction abort */
if (!makeDefault)
push_old_value(&conf->gen, action);
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
*conf->variable = newval;
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
conf->gen.source = source;
conf->gen.scontext = context;
}
if (makeDefault)
{
GucStack *stack;
if (conf->gen.reset_source <= source)
{
conf->reset_val = newval;
set_extra_field(&conf->gen, &conf->reset_extra,
newextra);
conf->gen.reset_source = source;
conf->gen.reset_scontext = context;
}
for (stack = conf->gen.stack; stack; stack = stack->prev)
{
if (stack->source <= source)
{
stack->prior.val.realval = newval;
set_extra_field(&conf->gen, &stack->prior.extra,
newextra);
stack->source = source;
stack->scontext = context;
}
}
}
/* Perhaps we didn't install newextra anywhere */
if (newextra && !extra_field_used(&conf->gen, newextra))
free(newextra);
break;
}
case PGC_STRING:
{
struct config_string *conf = (struct config_string *) record;
char *newval;
void *newextra = NULL;
if (value)
{
/*
* The value passed by the caller could be transient, so
* we always strdup it.
*/
newval = guc_strdup(elevel, value);
if (newval == NULL)
return 0;
/*
* The only built-in "parsing" check we have is to apply
* truncation if GUC_IS_NAME.
*/
if (conf->gen.flags & GUC_IS_NAME)
truncate_identifier(newval, strlen(newval), true);
if (!call_string_check_hook(conf, &newval, &newextra,
source, elevel))
{
free(newval);
return 0;
}
}
else if (source == PGC_S_DEFAULT)
{
/* non-NULL boot_val must always get strdup'd */
if (conf->boot_val != NULL)
{
newval = guc_strdup(elevel, conf->boot_val);
if (newval == NULL)
return 0;
}
else
newval = NULL;
if (!call_string_check_hook(conf, &newval, &newextra,
source, elevel))
{
free(newval);
return 0;
}
}
else
{
/*
* strdup not needed, since reset_val is already under
* guc.c's control
*/
newval = conf->reset_val;
newextra = conf->reset_extra;
source = conf->gen.reset_source;
context = conf->gen.reset_scontext;
}
if (prohibitValueChange)
{
/* newval shouldn't be NULL, so we're a bit sloppy here */
if (*conf->variable == NULL || newval == NULL ||
strcmp(*conf->variable, newval) != 0)
{
ereport(elevel,
(errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
errmsg("parameter \"%s\" cannot be changed without restarting the server",
name)));
return 0;
}
return -1;
}
if (changeVal)
{
/* Save old value to support transaction abort */
if (!makeDefault)
push_old_value(&conf->gen, action);
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
set_string_field(conf, conf->variable, newval);
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
conf->gen.source = source;
conf->gen.scontext = context;
}
if (makeDefault)
{
GucStack *stack;
if (conf->gen.reset_source <= source)
{
set_string_field(conf, &conf->reset_val, newval);
set_extra_field(&conf->gen, &conf->reset_extra,
newextra);
conf->gen.reset_source = source;
conf->gen.reset_scontext = context;
}
for (stack = conf->gen.stack; stack; stack = stack->prev)
{
if (stack->source <= source)
{
set_string_field(conf, &stack->prior.val.stringval,
newval);
set_extra_field(&conf->gen, &stack->prior.extra,
newextra);
stack->source = source;
stack->scontext = context;
}
}
}
/* Perhaps we didn't install newval anywhere */
if (newval && !string_field_used(conf, newval))
free(newval);
/* Perhaps we didn't install newextra anywhere */
if (newextra && !extra_field_used(&conf->gen, newextra))
free(newextra);
break;
}
case PGC_ENUM:
{
struct config_enum *conf = (struct config_enum *) record;
int newval;
void *newextra = NULL;
if (value)
{
if (!config_enum_lookup_by_name(conf, value, &newval))
{
char *hintmsg;
hintmsg = config_enum_get_options(conf,
"Available values: ",
".", ", ");
ereport(elevel,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid value for parameter \"%s\": \"%s\"",
name, value),
hintmsg ? errhint("%s", _(hintmsg)) : 0));
if (hintmsg)
pfree(hintmsg);
return 0;
}
if (!call_enum_check_hook(conf, &newval, &newextra,
source, elevel))
return 0;
}
else if (source == PGC_S_DEFAULT)
{
newval = conf->boot_val;
if (!call_enum_check_hook(conf, &newval, &newextra,
source, elevel))
return 0;
}
else
{
newval = conf->reset_val;
newextra = conf->reset_extra;
source = conf->gen.reset_source;
context = conf->gen.reset_scontext;
}
if (prohibitValueChange)
{
if (*conf->variable != newval)
{
ereport(elevel,
(errcode(ERRCODE_CANT_CHANGE_RUNTIME_PARAM),
errmsg("parameter \"%s\" cannot be changed without restarting the server",
name)));
return 0;
}
return -1;
}
if (changeVal)
{
/* Save old value to support transaction abort */
if (!makeDefault)
push_old_value(&conf->gen, action);
if (conf->assign_hook)
(*conf->assign_hook) (newval, newextra);
*conf->variable = newval;
set_extra_field(&conf->gen, &conf->gen.extra,
newextra);
conf->gen.source = source;
conf->gen.scontext = context;
}
if (makeDefault)
{
GucStack *stack;
if (conf->gen.reset_source <= source)
{
conf->reset_val = newval;
set_extra_field(&conf->gen, &conf->reset_extra,
newextra);
conf->gen.reset_source = source;
conf->gen.reset_scontext = context;
}
for (stack = conf->gen.stack; stack; stack = stack->prev)
{
if (stack->source <= source)
{
stack->prior.val.enumval = newval;
set_extra_field(&conf->gen, &stack->prior.extra,
newextra);
stack->source = source;
stack->scontext = context;
}
}
}
/* Perhaps we didn't install newextra anywhere */
if (newextra && !extra_field_used(&conf->gen, newextra))
free(newextra);
break;
}
}
if (changeVal && (record->flags & GUC_REPORT))
ReportGUCOption(record);
return changeVal ? 1 : -1;
}
| static void set_config_sourcefile | ( | const char * | name, | |
| char * | sourcefile, | |||
| int | sourceline | |||
| ) | [static] |
Definition at line 5904 of file guc.c.
References DEBUG3, elevel, elog, ERROR, find_option(), free, guc_strdup(), IsUnderPostmaster, NULL, config_generic::sourcefile, and config_generic::sourceline.
Referenced by define_custom_variable().
{
struct config_generic *record;
int elevel;
/*
* To avoid cluttering the log, only the postmaster bleats loudly about
* problems with the config file.
*/
elevel = IsUnderPostmaster ? DEBUG3 : LOG;
record = find_option(name, true, elevel);
/* should not happen */
if (record == NULL)
elog(ERROR, "unrecognized configuration parameter \"%s\"", name);
sourcefile = guc_strdup(elevel, sourcefile);
if (record->sourcefile)
free(record->sourcefile);
record->sourcefile = sourcefile;
record->sourceline = sourceline;
}
| static void set_extra_field | ( | struct config_generic * | gconf, | |
| void ** | field, | |||
| void * | newval | |||
| ) | [static] |
Definition at line 3518 of file guc.c.
References extra_field_used(), and free.
Referenced by AtEOXact_GUC(), discard_stack_value(), ResetAllOptions(), set_config_option(), and set_stack_value().
{
void *oldval = *field;
/* Do the assignment */
*field = newval;
/* Free old value if it's not NULL and isn't referenced anymore */
if (oldval && !extra_field_used(gconf, oldval))
free(oldval);
}
| static void set_stack_value | ( | struct config_generic * | gconf, | |
| config_var_value * | val | |||
| ) | [static] |
Definition at line 3538 of file guc.c.
References config_var_val::boolval, config_var_val::enumval, config_generic::extra, config_var_value::extra, config_var_val::intval, PGC_BOOL, PGC_ENUM, PGC_INT, PGC_REAL, PGC_STRING, config_var_val::realval, set_extra_field(), set_string_field(), config_var_val::stringval, config_var_value::val, and config_generic::vartype.
Referenced by push_old_value().
{
switch (gconf->vartype)
{
case PGC_BOOL:
val->val.boolval =
*((struct config_bool *) gconf)->variable;
break;
case PGC_INT:
val->val.intval =
*((struct config_int *) gconf)->variable;
break;
case PGC_REAL:
val->val.realval =
*((struct config_real *) gconf)->variable;
break;
case PGC_STRING:
set_string_field((struct config_string *) gconf,
&(val->val.stringval),
*((struct config_string *) gconf)->variable);
break;
case PGC_ENUM:
val->val.enumval =
*((struct config_enum *) gconf)->variable;
break;
}
set_extra_field(gconf, &(val->extra), gconf->extra);
}
| static void set_string_field | ( | struct config_string * | conf, | |
| char ** | field, | |||
| char * | newval | |||
| ) | [static] |
Definition at line 3457 of file guc.c.
References free, and string_field_used().
Referenced by AtEOXact_GUC(), define_custom_variable(), discard_stack_value(), ResetAllOptions(), set_config_option(), and set_stack_value().
{
char *oldval = *field;
/* Do the assignment */
*field = newval;
/* Free old value if it's not NULL and isn't referenced anymore */
if (oldval && !string_field_used(conf, oldval))
free(oldval);
}
| void SetConfigOption | ( | const char * | name, | |
| const char * | value, | |||
| GucContext | context, | |||
| GucSource | source | |||
| ) |
Definition at line 5938 of file guc.c.
References GUC_ACTION_SET, and set_config_option().
Referenced by AutoVacLauncherMain(), AutoVacWorkerMain(), AuxiliaryProcessMain(), CheckMyDatabase(), InitializeGUCOptions(), InitializeGUCOptionsFromEnvironment(), InitializeSessionUserId(), pg_timezone_abbrev_initialize(), pgstat_init(), PostmasterMain(), process_postgres_switches(), process_startup_options(), SelectConfigFiles(), set_debug_options(), set_plan_disabling_options(), SetCurrentRoleId(), SetSessionAuthorization(), tsa_set_curcfg(), tsa_set_curcfg_byname(), and XLOGShmemSize().
{
(void) set_config_option(name, value, context, source,
GUC_ACTION_SET, true, 0);
}
Definition at line 6319 of file guc.c.
References flatten_set_variable_args(), GUC_ACTION_LOCAL, PGC_SUSET, PGC_USERSET, set_config_option(), and superuser().
Referenced by DiscardAll(), ExecSetVariableStmt(), and standard_ProcessUtility().
{
char *argstring = flatten_set_variable_args(name, args);
/* Note SET DEFAULT (argstring == NULL) is equivalent to RESET */
(void) set_config_option(name,
argstring,
(superuser() ? PGC_SUSET : PGC_USERSET),
PGC_S_SESSION,
is_local ? GUC_ACTION_LOCAL : GUC_ACTION_SET,
true,
0);
}
| Datum show_all_settings | ( | PG_FUNCTION_ARGS | ) |
Definition at line 7223 of file guc.c.
References FuncCallContext::attinmeta, BuildTupleFromCStrings(), FuncCallContext::call_cntr, CreateTemplateTupleDesc(), GetConfigOptionByNum(), GetNumConfigOptions(), HeapTupleGetDatum, INT4OID, FuncCallContext::max_calls, MemoryContextSwitchTo(), FuncCallContext::multi_call_memory_ctx, NUM_PG_SETTINGS_ATTS, SRF_FIRSTCALL_INIT, SRF_IS_FIRSTCALL, SRF_PERCALL_SETUP, SRF_RETURN_DONE, SRF_RETURN_NEXT, TEXTARRAYOID, TEXTOID, TupleDescGetAttInMetadata(), TupleDescInitEntry(), and values.
{
FuncCallContext *funcctx;
TupleDesc tupdesc;
int call_cntr;
int max_calls;
AttInMetadata *attinmeta;
MemoryContext oldcontext;
/* stuff done only on the first call of the function */
if (SRF_IS_FIRSTCALL())
{
/* create a function context for cross-call persistence */
funcctx = SRF_FIRSTCALL_INIT();
/*
* switch to memory context appropriate for multiple function calls
*/
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
/*
* need a tuple descriptor representing NUM_PG_SETTINGS_ATTS columns
* of the appropriate types
*/
tupdesc = CreateTemplateTupleDesc(NUM_PG_SETTINGS_ATTS, false);
TupleDescInitEntry(tupdesc, (AttrNumber) 1, "name",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 2, "setting",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 3, "unit",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 4, "category",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 5, "short_desc",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 6, "extra_desc",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 7, "context",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 8, "vartype",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 9, "source",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 10, "min_val",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 11, "max_val",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 12, "enumvals",
TEXTARRAYOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 13, "boot_val",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 14, "reset_val",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 15, "sourcefile",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 16, "sourceline",
INT4OID, -1, 0);
/*
* Generate attribute metadata needed later to produce tuples from raw
* C strings
*/
attinmeta = TupleDescGetAttInMetadata(tupdesc);
funcctx->attinmeta = attinmeta;
/* total number of tuples to be returned */
funcctx->max_calls = GetNumConfigOptions();
MemoryContextSwitchTo(oldcontext);
}
/* stuff done on every call of the function */
funcctx = SRF_PERCALL_SETUP();
call_cntr = funcctx->call_cntr;
max_calls = funcctx->max_calls;
attinmeta = funcctx->attinmeta;
if (call_cntr < max_calls) /* do when there is more left to send */
{
char *values[NUM_PG_SETTINGS_ATTS];
bool noshow;
HeapTuple tuple;
Datum result;
/*
* Get the next visible GUC variable name and value
*/
do
{
GetConfigOptionByNum(call_cntr, (const char **) values, &noshow);
if (noshow)
{
/* bump the counter and get the next config setting */
call_cntr = ++funcctx->call_cntr;
/* make sure we haven't gone too far now */
if (call_cntr >= max_calls)
SRF_RETURN_DONE(funcctx);
}
} while (noshow);
/* build a tuple */
tuple = BuildTupleFromCStrings(attinmeta, values);
/* make the tuple into a datum */
result = HeapTupleGetDatum(tuple);
SRF_RETURN_NEXT(funcctx, result);
}
else
{
/* do when there is no more left */
SRF_RETURN_DONE(funcctx);
}
}
| static const char * show_archive_command | ( | void | ) | [static] |
Definition at line 8576 of file guc.c.
References XLogArchiveCommand, and XLogArchivingActive.
{
if (XLogArchivingActive())
return XLogArchiveCommand;
else
return "(disabled)";
}
| Datum show_config_by_name | ( | PG_FUNCTION_ARGS | ) |
Definition at line 7201 of file guc.c.
References cstring_to_text(), GetConfigOptionByName(), NULL, PG_GETARG_DATUM, PG_RETURN_TEXT_P, and TextDatumGetCString.
{
char *varname;
char *varval;
/* Get the GUC variable name */
varname = TextDatumGetCString(PG_GETARG_DATUM(0));
/* Get the value */
varval = GetConfigOptionByName(varname, NULL);
/* Convert to text */
PG_RETURN_TEXT_P(cstring_to_text(varval));
}
| static const char * show_log_file_mode | ( | void | ) | [static] |
Definition at line 8792 of file guc.c.
References buf, Log_file_mode, and snprintf().
{
static char buf[8];
snprintf(buf, sizeof(buf), "%04o", Log_file_mode);
return buf;
}
| static const char * show_tcp_keepalives_count | ( | void | ) | [static] |
Definition at line 8636 of file guc.c.
References MyProcPort, pq_getkeepalivescount(), and snprintf().
{
/* See comments in assign_tcp_keepalives_idle */
static char nbuf[16];
snprintf(nbuf, sizeof(nbuf), "%d", pq_getkeepalivescount(MyProcPort));
return nbuf;
}
| static const char * show_tcp_keepalives_idle | ( | void | ) | [static] |
Definition at line 8602 of file guc.c.
References MyProcPort, pq_getkeepalivesidle(), and snprintf().
{
/* See comments in assign_tcp_keepalives_idle */
static char nbuf[16];
snprintf(nbuf, sizeof(nbuf), "%d", pq_getkeepalivesidle(MyProcPort));
return nbuf;
}
| static const char * show_tcp_keepalives_interval | ( | void | ) | [static] |
Definition at line 8619 of file guc.c.
References MyProcPort, pq_getkeepalivesinterval(), and snprintf().
{
/* See comments in assign_tcp_keepalives_idle */
static char nbuf[16];
snprintf(nbuf, sizeof(nbuf), "%d", pq_getkeepalivesinterval(MyProcPort));
return nbuf;
}
| static const char * show_unix_socket_permissions | ( | void | ) | [static] |
Definition at line 8783 of file guc.c.
References buf, snprintf(), and Unix_socket_permissions.
{
static char buf[8];
snprintf(buf, sizeof(buf), "%04o", Unix_socket_permissions);
return buf;
}
| static void ShowAllGUCConfig | ( | DestReceiver * | dest | ) | [static] |
Definition at line 6842 of file guc.c.
References _ShowOption(), begin_tup_output_tupdesc(), CreateTemplateTupleDesc(), cstring_to_text(), DatumGetPointer, do_tup_output(), end_tup_output(), config_generic::flags, GUC_NO_SHOW_ALL, GUC_SUPERUSER_ONLY, i, config_generic::name, NULL, pfree(), PointerGetDatum, config_generic::short_desc, superuser(), TEXTOID, TupleDescInitEntry(), and values.
Referenced by GetPGVariable().
{
bool am_superuser = superuser();
int i;
TupOutputState *tstate;
TupleDesc tupdesc;
Datum values[3];
bool isnull[3] = {false, false, false};
/* need a tuple descriptor representing three TEXT columns */
tupdesc = CreateTemplateTupleDesc(3, false);
TupleDescInitEntry(tupdesc, (AttrNumber) 1, "name",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 2, "setting",
TEXTOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 3, "description",
TEXTOID, -1, 0);
/* prepare for projection of tuples */
tstate = begin_tup_output_tupdesc(dest, tupdesc);
for (i = 0; i < num_guc_variables; i++)
{
struct config_generic *conf = guc_variables[i];
char *setting;
if ((conf->flags & GUC_NO_SHOW_ALL) ||
((conf->flags & GUC_SUPERUSER_ONLY) && !am_superuser))
continue;
/* assign to the values array */
values[0] = PointerGetDatum(cstring_to_text(conf->name));
setting = _ShowOption(conf, true);
if (setting)
{
values[1] = PointerGetDatum(cstring_to_text(setting));
isnull[1] = false;
}
else
{
values[1] = PointerGetDatum(NULL);
isnull[1] = true;
}
values[2] = PointerGetDatum(cstring_to_text(conf->short_desc));
/* send it to dest */
do_tup_output(tstate, values, isnull);
/* clean up */
pfree(DatumGetPointer(values[0]));
if (setting)
{
pfree(setting);
pfree(DatumGetPointer(values[1]));
}
pfree(DatumGetPointer(values[2]));
}
end_tup_output(tstate);
}
| static void ShowGUCConfigOption | ( | const char * | name, | |
| DestReceiver * | dest | |||
| ) | [static] |
Definition at line 6814 of file guc.c.
References begin_tup_output_tupdesc(), CreateTemplateTupleDesc(), do_text_output_oneline, end_tup_output(), GetConfigOptionByName(), TEXTOID, TupleDescInitEntry(), and value.
Referenced by GetPGVariable().
{
TupOutputState *tstate;
TupleDesc tupdesc;
const char *varname;
char *value;
/* Get the value and canonical spelling of name */
value = GetConfigOptionByName(name, &varname);
/* need a tuple descriptor representing a single TEXT column */
tupdesc = CreateTemplateTupleDesc(1, false);
TupleDescInitEntry(tupdesc, (AttrNumber) 1, varname,
TEXTOID, -1, 0);
/* prepare for projection of tuples */
tstate = begin_tup_output_tupdesc(dest, tupdesc);
/* Send it */
do_text_output_oneline(tstate, value);
end_tup_output(tstate);
}
| static bool string_field_used | ( | struct config_string * | conf, | |
| char * | strval | |||
| ) | [static] |
Definition at line 3434 of file guc.c.
References config_string::boot_val, config_string::gen, guc_stack::masked, guc_stack::prev, guc_stack::prior, config_string::reset_val, config_generic::stack, config_var_val::stringval, config_var_value::val, and config_string::variable.
Referenced by set_config_option(), and set_string_field().
| static bool validate_option_array_item | ( | const char * | name, | |
| const char * | value, | |||
| bool | skipIfNoPermissions | |||
| ) | [static] |
Definition at line 8056 of file guc.c.
References config_generic::context, ereport, errcode(), errmsg(), ERROR, find_option(), config_generic::flags, GUC_CUSTOM_PLACEHOLDER, PGC_SUSET, PGC_USERSET, set_config_option(), superuser(), and WARNING.
Referenced by GUCArrayAdd(), GUCArrayDelete(), and GUCArrayReset().
{
struct config_generic *gconf;
/*
* There are three cases to consider:
*
* name is a known GUC variable. Check the value normally, check
* permissions normally (ie, allow if variable is USERSET, or if it's
* SUSET and user is superuser).
*
* name is not known, but exists or can be created as a placeholder (i.e.,
* it has a prefixed name). We allow this case if you're a superuser,
* otherwise not. Superusers are assumed to know what they're doing. We
* can't allow it for other users, because when the placeholder is
* resolved it might turn out to be a SUSET variable;
* define_custom_variable assumes we checked that.
*
* name is not known and can't be created as a placeholder. Throw error,
* unless skipIfNoPermissions is true, in which case return FALSE.
*/
gconf = find_option(name, true, WARNING);
if (!gconf)
{
/* not known, failed to make a placeholder */
if (skipIfNoPermissions)
return false;
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("unrecognized configuration parameter \"%s\"",
name)));
}
if (gconf->flags & GUC_CUSTOM_PLACEHOLDER)
{
/*
* We cannot do any meaningful check on the value, so only permissions
* are useful to check.
*/
if (superuser())
return true;
if (skipIfNoPermissions)
return false;
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("permission denied to set parameter \"%s\"", name)));
}
/* manual permissions check so we can avoid an error being thrown */
if (gconf->context == PGC_USERSET)
/* ok */ ;
else if (gconf->context == PGC_SUSET && superuser())
/* ok */ ;
else if (skipIfNoPermissions)
return false;
/* if a permissions error should be thrown, let set_config_option do it */
/* test for permissions and valid option value */
(void) set_config_option(name, value,
superuser() ? PGC_SUSET : PGC_USERSET,
PGC_S_TEST, GUC_ACTION_SET, false, 0);
return true;
}
| char* application_name |
Definition at line 434 of file guc.c.
Referenced by log_line_prefix(), pgstat_bestart(), SyncRepGetStandbyPriority(), SyncRepInitConfig(), SyncRepReleaseWaiters(), WalSndLoop(), and write_csvlog().
| bool assert_enabled = false |
struct config_enum_entry backslash_quote_options[] [static] |
{
{"safe_encoding", BACKSLASH_QUOTE_SAFE_ENCODING, false},
{"on", BACKSLASH_QUOTE_ON, false},
{"off", BACKSLASH_QUOTE_OFF, false},
{"true", BACKSLASH_QUOTE_ON, true},
{"false", BACKSLASH_QUOTE_OFF, true},
{"yes", BACKSLASH_QUOTE_ON, true},
{"no", BACKSLASH_QUOTE_OFF, true},
{"1", BACKSLASH_QUOTE_ON, true},
{"0", BACKSLASH_QUOTE_OFF, true},
{NULL, 0, false}
}
int block_size [static] |
struct config_enum_entry bytea_output_options[] [static] |
| bool check_function_bodies = true |
Definition at line 409 of file guc.c.
Referenced by fmgr_sql_validator(), plperl_validator(), plpgsql_compile_inline(), plpgsql_validator(), and plpython_validator().
char* client_encoding_string [static] |
struct config_enum_entry client_message_level_options[] [static] |
{
{"debug", DEBUG2, true},
{"debug5", DEBUG5, false},
{"debug4", DEBUG4, false},
{"debug3", DEBUG3, false},
{"debug2", DEBUG2, false},
{"debug1", DEBUG1, false},
{"log", LOG, false},
{"info", INFO, true},
{"notice", NOTICE, false},
{"warning", WARNING, false},
{"error", ERROR, false},
{"fatal", FATAL, true},
{"panic", PANIC, true},
{NULL, 0, false}
}
| int client_min_messages = NOTICE |
Definition at line 417 of file guc.c.
Referenced by errstart(), execute_extension_script(), forget_invalid_pages(), forget_invalid_pages_db(), log_invalid_page(), pg_re_throw(), reportDependentObjects(), and ShowTransactionState().
| int CommitDelay |
Definition at line 84 of file xlog.c.
Referenced by XLogFlush().
| int CommitSiblings |
Definition at line 85 of file xlog.c.
Referenced by XLogFlush().
| const char* const config_group_names[] |
Definition at line 518 of file guc.c.
Referenced by GetConfigOptionByNum(), and printMixedStruct().
| const char* const config_type_names[] |
{
"bool",
"integer",
"real",
"string",
"enum"
}
Definition at line 619 of file guc.c.
Referenced by GetConfigOptionByNum().
| char* ConfigFileName |
Definition at line 427 of file guc.c.
Referenced by SelectConfigFiles().
struct config_bool ConfigureNamesBool[] [static] |
struct config_enum ConfigureNamesEnum[] [static] |
struct config_int ConfigureNamesInt[] [static] |
struct config_real ConfigureNamesReal[] [static] |
struct config_string ConfigureNamesString[] [static] |
struct config_enum_entry constraint_exclusion_options[] [static] |
{
{"partition", CONSTRAINT_EXCLUSION_PARTITION, false},
{"on", CONSTRAINT_EXCLUSION_ON, false},
{"off", CONSTRAINT_EXCLUSION_OFF, false},
{"true", CONSTRAINT_EXCLUSION_ON, true},
{"false", CONSTRAINT_EXCLUSION_OFF, true},
{"yes", CONSTRAINT_EXCLUSION_ON, true},
{"no", CONSTRAINT_EXCLUSION_OFF, true},
{"1", CONSTRAINT_EXCLUSION_ON, true},
{"0", CONSTRAINT_EXCLUSION_OFF, true},
{NULL, 0, false}
}
| char* data_directory |
Definition at line 426 of file guc.c.
Referenced by SelectConfigFiles().
char* datestyle_string [static] |
| bool Debug_pretty_print = true |
Definition at line 399 of file guc.c.
Referenced by pg_plan_query(), and pg_rewrite_query().
| bool Debug_print_parse = false |
Definition at line 397 of file guc.c.
Referenced by pg_rewrite_query().
| bool Debug_print_plan = false |
Definition at line 396 of file guc.c.
Referenced by pg_plan_query().
| bool Debug_print_rewritten = false |
Definition at line 398 of file guc.c.
Referenced by pg_rewrite_query().
| char* default_tablespace |
Definition at line 82 of file tablespace.c.
Referenced by GetDefaultTablespace().
| bool default_with_oids = false |
Definition at line 410 of file guc.c.
Referenced by interpretOidsOption().
int effective_io_concurrency [static] |
| char* event_source |
Definition at line 407 of file guc.c.
Referenced by DllInstall(), DllRegisterServer(), and DllUnregisterServer().
| char* external_pid_file |
Definition at line 430 of file guc.c.
Referenced by PostmasterMain(), and unlink_external_pid_file().
int GUC_check_errcode_value [static] |
Definition at line 140 of file guc.c.
Referenced by call_bool_check_hook(), call_enum_check_hook(), call_int_check_hook(), call_real_check_hook(), call_string_check_hook(), and GUC_check_errcode().
Definition at line 144 of file guc.c.
Referenced by call_bool_check_hook(), call_enum_check_hook(), call_int_check_hook(), call_real_check_hook(), and call_string_check_hook().
| char* GUC_check_errhint_string |
Definition at line 145 of file guc.c.
Referenced by call_bool_check_hook(), call_enum_check_hook(), call_int_check_hook(), call_real_check_hook(), and call_string_check_hook().
| char* GUC_check_errmsg_string |
Definition at line 143 of file guc.c.
Referenced by call_bool_check_hook(), call_enum_check_hook(), call_int_check_hook(), call_real_check_hook(), and call_string_check_hook().
struct config_generic** guc_variables [static] |
| const char* const GucContext_Names[] |
{
"internal",
"postmaster",
"sighup",
"backend",
"superuser",
"user"
}
Definition at line 482 of file guc.c.
Referenced by GetConfigOptionByNum(), and printMixedStruct().
int GUCNestLevel = 0 [static] |
| const char* const GucSource_Names[] |
{
"default",
"default",
"environment variable",
"configuration file",
"command line",
"global",
"database",
"user",
"database user",
"client",
"override",
"interactive",
"test",
"session"
}
Definition at line 497 of file guc.c.
Referenced by GetConfigOptionByNum().
| char* HbaFileName |
Definition at line 428 of file guc.c.
Referenced by load_hba(), parse_hba_auth_opt(), parse_hba_line(), and SelectConfigFiles().
| char* IdentFileName |
Definition at line 429 of file guc.c.
Referenced by load_ident(), and SelectConfigFiles().
Definition at line 21 of file bufpage.c.
Referenced by PageIsVerified().
bool integer_datetimes [static] |
struct config_enum_entry intervalstyle_options[] [static] |
struct config_enum_entry isolation_level_options[] [static] |
char* locale_collate [static] |
char* locale_ctype [static] |
| bool log_btree_build_stats = false |
Definition at line 406 of file guc.c.
Referenced by _bt_leafbuild(), and btbuild().
char* log_destination_string [static] |
Definition at line 98 of file postgres.c.
Referenced by PostgresMain().
| bool log_duration = false |
Definition at line 395 of file guc.c.
Referenced by check_log_duration().
struct config_enum_entry log_error_verbosity_options[] [static] |
| bool log_executor_stats = false |
Definition at line 403 of file guc.c.
Referenced by check_log_stats(), PortalRun(), and PortalRunMulti().
| int log_min_duration_statement = -1 |
Definition at line 418 of file guc.c.
Referenced by check_log_duration().
| int log_min_error_statement = ERROR |
Definition at line 415 of file guc.c.
Referenced by send_message_to_server_log(), and write_csvlog().
| int log_min_messages = WARNING |
Definition at line 416 of file guc.c.
Referenced by errstart(), execute_extension_script(), forget_invalid_pages(), forget_invalid_pages_db(), log_invalid_page(), pg_re_throw(), ProcessWalSndrMessage(), reportDependentObjects(), and ShowTransactionState().
| bool log_parser_stats = false |
Definition at line 401 of file guc.c.
Referenced by check_log_stats(), exec_parse_message(), pg_analyze_and_rewrite(), pg_analyze_and_rewrite_params(), pg_parse_query(), and pg_rewrite_query().
| bool log_planner_stats = false |
Definition at line 402 of file guc.c.
Referenced by check_log_stats(), and pg_plan_query().
struct config_enum_entry log_statement_options[] [static] |
| bool log_statement_stats = false |
Definition at line 404 of file guc.c.
Referenced by check_stage_log_stats(), exec_bind_message(), exec_execute_message(), exec_parse_message(), and exec_simple_query().
| int log_temp_files = -1 |
Definition at line 419 of file guc.c.
Referenced by FileClose().
char* log_timezone_string [static] |
const char* const map_old_guc_names[] [static] |
int max_function_args [static] |
int max_identifier_length [static] |
int max_index_keys [static] |
int num_guc_variables [static] |
| int num_temp_buffers = 1024 |
Definition at line 424 of file guc.c.
Referenced by InitLocalBuffers().
| bool Password_encryption = true |
Definition at line 413 of file guc.c.
Referenced by AlterRole(), and CreateRole().
| char* pgstat_temp_directory |
bool phony_autocommit [static] |
double phony_random_seed [static] |
bool reporting_enabled [static] |
| char* role_string |
Definition at line 474 of file guc.c.
Referenced by show_role().
int segment_size [static] |
char* server_encoding_string [static] |
struct config_enum_entry server_message_level_options[] [static] |
{
{"debug", DEBUG2, true},
{"debug5", DEBUG5, false},
{"debug4", DEBUG4, false},
{"debug3", DEBUG3, false},
{"debug2", DEBUG2, false},
{"debug1", DEBUG1, false},
{"info", INFO, false},
{"notice", NOTICE, false},
{"warning", WARNING, false},
{"error", ERROR, false},
{"log", LOG, false},
{"fatal", FATAL, false},
{"panic", PANIC, false},
{NULL, 0, false}
}
int server_version_num [static] |
char* server_version_string [static] |
bool session_auth_is_superuser [static] |
char* session_authorization_string [static] |
struct config_enum_entry session_replication_role_options[] [static] |
int size_guc_variables [static] |
| bool SQL_inheritance = true |
Definition at line 411 of file guc.c.
Referenced by interpretInhOption().
Definition at line 102 of file be-secure.c.
Referenced by secure_write().
| char* SSLCipherSuites |
Definition at line 110 of file be-secure.c.
| struct config_enum_entry sync_method_options[] |
Definition at line 76 of file heapam.c.
Referenced by initscan().
struct config_enum_entry synchronous_commit_options[] [static] |
{
{"local", SYNCHRONOUS_COMMIT_LOCAL_FLUSH, false},
{"remote_write", SYNCHRONOUS_COMMIT_REMOTE_WRITE, false},
{"on", SYNCHRONOUS_COMMIT_ON, false},
{"off", SYNCHRONOUS_COMMIT_OFF, false},
{"true", SYNCHRONOUS_COMMIT_ON, true},
{"false", SYNCHRONOUS_COMMIT_OFF, true},
{"yes", SYNCHRONOUS_COMMIT_ON, true},
{"no", SYNCHRONOUS_COMMIT_OFF, true},
{"1", SYNCHRONOUS_COMMIT_ON, true},
{"0", SYNCHRONOUS_COMMIT_OFF, true},
{NULL, 0, false}
}
int syslog_facility = 0 [static] |
Definition at line 167 of file guc.c.
Referenced by assign_syslog_ident().
struct config_enum_entry syslog_facility_options[] [static] |
char* syslog_ident_str [static] |
Definition at line 447 of file guc.c.
Referenced by assign_syslog_facility().
Definition at line 438 of file guc.c.
Referenced by StreamConnection().
Definition at line 436 of file guc.c.
Referenced by StreamConnection().
Definition at line 437 of file guc.c.
Referenced by StreamConnection().
| int temp_file_limit = -1 |
Definition at line 422 of file guc.c.
Referenced by FileWrite().
| char* temp_tablespaces |
Definition at line 83 of file tablespace.c.
Referenced by PrepareTempTablespaces().
char* timezone_abbreviations_string [static] |
char* timezone_string [static] |
| int trace_recovery_messages = LOG |
Definition at line 420 of file guc.c.
Referenced by StartupXLOG(), and trace_recovery().
struct config_enum_entry track_function_options[] [static] |
int wal_block_size [static] |
| struct config_enum_entry wal_level_options[] |
Definition at line 27 of file xlogdesc.c.
int wal_segment_size [static] |
char* XactIsoLevel_string [static] |
struct config_enum_entry xmlbinary_options[] [static] |
struct config_enum_entry xmloption_options[] [static] |
1.7.1