#include "postgres_fe.h"
#include "common.h"
#include "dumputils.h"
Go to the source code of this file.
Functions | |
static void | cluster_one_database (const char *dbname, bool verbose, const char *table, const char *host, const char *port, const char *username, enum trivalue prompt_password, const char *progname, bool echo) |
static void | cluster_all_databases (bool verbose, const char *maintenance_db, const char *host, const char *port, const char *username, enum trivalue prompt_password, const char *progname, bool echo, bool quiet) |
static void | help (const char *progname) |
int | main (int argc, char *argv[]) |
static void cluster_all_databases | ( | bool | verbose, | |
const char * | maintenance_db, | |||
const char * | host, | |||
const char * | port, | |||
const char * | username, | |||
enum trivalue | prompt_password, | |||
const char * | progname, | |||
bool | echo, | |||
bool | quiet | |||
) | [static] |
Definition at line 225 of file clusterdb.c.
References _, cluster_one_database(), conn, connectMaintenanceDatabase(), executeQuery(), i, NULL, PQclear(), PQfinish(), PQgetvalue(), and PQntuples().
Referenced by main().
{ PGconn *conn; PGresult *result; int i; conn = connectMaintenanceDatabase(maintenance_db, host, port, username, prompt_password, progname); result = executeQuery(conn, "SELECT datname FROM pg_database WHERE datallowconn ORDER BY 1;", progname, echo); PQfinish(conn); for (i = 0; i < PQntuples(result); i++) { char *dbname = PQgetvalue(result, i, 0); if (!quiet) { printf(_("%s: clustering database \"%s\"\n"), progname, dbname); fflush(stdout); } cluster_one_database(dbname, verbose, NULL, host, port, username, prompt_password, progname, echo); } PQclear(result); }
static void cluster_one_database | ( | const char * | dbname, | |
bool | verbose, | |||
const char * | table, | |||
const char * | host, | |||
const char * | port, | |||
const char * | username, | |||
enum trivalue | prompt_password, | |||
const char * | progname, | |||
bool | echo | |||
) | [static] |
Definition at line 188 of file clusterdb.c.
References _, appendPQExpBuffer(), conn, connectDatabase(), PQExpBufferData::data, executeMaintenanceCommand(), initPQExpBuffer(), PQerrorMessage(), PQfinish(), and termPQExpBuffer().
Referenced by cluster_all_databases(), and main().
{ PQExpBufferData sql; PGconn *conn; initPQExpBuffer(&sql); appendPQExpBuffer(&sql, "CLUSTER"); if (verbose) appendPQExpBuffer(&sql, " VERBOSE"); if (table) appendPQExpBuffer(&sql, " %s", table); appendPQExpBuffer(&sql, ";\n"); conn = connectDatabase(dbname, host, port, username, prompt_password, progname, false); if (!executeMaintenanceCommand(conn, sql.data, echo)) { if (table) fprintf(stderr, _("%s: clustering of table \"%s\" in database \"%s\" failed: %s"), progname, table, dbname, PQerrorMessage(conn)); else fprintf(stderr, _("%s: clustering of database \"%s\" failed: %s"), progname, dbname, PQerrorMessage(conn)); PQfinish(conn); exit(1); } PQfinish(conn); termPQExpBuffer(&sql); }
static void help | ( | const char * | progname | ) | [static] |
Definition at line 259 of file clusterdb.c.
References _.
Referenced by main().
{ printf(_("%s clusters all previously clustered tables in a database.\n\n"), progname); printf(_("Usage:\n")); printf(_(" %s [OPTION]... [DBNAME]\n"), progname); printf(_("\nOptions:\n")); printf(_(" -a, --all cluster all databases\n")); printf(_(" -d, --dbname=DBNAME database to cluster\n")); printf(_(" -e, --echo show the commands being sent to the server\n")); printf(_(" -q, --quiet don't write any messages\n")); printf(_(" -t, --table=TABLE cluster specific table(s) only\n")); printf(_(" -v, --verbose write a lot of output\n")); printf(_(" -V, --version output version information, then exit\n")); printf(_(" -?, --help show this help, then exit\n")); printf(_("\nConnection options:\n")); printf(_(" -h, --host=HOSTNAME database server host or socket directory\n")); printf(_(" -p, --port=PORT database server port\n")); printf(_(" -U, --username=USERNAME user name to connect as\n")); printf(_(" -w, --no-password never prompt for password\n")); printf(_(" -W, --password force password prompt\n")); printf(_(" --maintenance-db=DBNAME alternate maintenance database\n")); printf(_("\nRead the description of the SQL command CLUSTER for details.\n")); printf(_("\nReport bugs to <[email protected]>.\n")); }
int main | ( | int | argc, | |
char * | argv[] | |||
) |
Definition at line 30 of file clusterdb.c.
References _, cluster_all_databases(), cluster_one_database(), get_progname(), get_user_name(), getopt_long(), handle_help_version_opts(), SimpleStringList::head, help(), SimpleStringListCell::next, NULL, optarg, optind, pg_strdup(), PG_TEXTDOMAIN, port, progname, set_pglocale_pgservice(), setup_cancel_handler(), simple_string_list_append(), username, SimpleStringListCell::val, and verbose.
{ static struct option long_options[] = { {"host", required_argument, NULL, 'h'}, {"port", required_argument, NULL, 'p'}, {"username", required_argument, NULL, 'U'}, {"no-password", no_argument, NULL, 'w'}, {"password", no_argument, NULL, 'W'}, {"echo", no_argument, NULL, 'e'}, {"quiet", no_argument, NULL, 'q'}, {"dbname", required_argument, NULL, 'd'}, {"all", no_argument, NULL, 'a'}, {"table", required_argument, NULL, 't'}, {"verbose", no_argument, NULL, 'v'}, {"maintenance-db", required_argument, NULL, 2}, {NULL, 0, NULL, 0} }; const char *progname; int optindex; int c; const char *dbname = NULL; const char *maintenance_db = NULL; char *host = NULL; char *port = NULL; char *username = NULL; enum trivalue prompt_password = TRI_DEFAULT; bool echo = false; bool quiet = false; bool alldb = false; bool verbose = false; SimpleStringList tables = {NULL, NULL}; progname = get_progname(argv[0]); set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pgscripts")); handle_help_version_opts(argc, argv, "clusterdb", help); while ((c = getopt_long(argc, argv, "h:p:U:wWeqd:at:v", long_options, &optindex)) != -1) { switch (c) { case 'h': host = pg_strdup(optarg); break; case 'p': port = pg_strdup(optarg); break; case 'U': username = pg_strdup(optarg); break; case 'w': prompt_password = TRI_NO; break; case 'W': prompt_password = TRI_YES; break; case 'e': echo = true; break; case 'q': quiet = true; break; case 'd': dbname = pg_strdup(optarg); break; case 'a': alldb = true; break; case 't': simple_string_list_append(&tables, optarg); break; case 'v': verbose = true; break; case 2: maintenance_db = pg_strdup(optarg); break; default: fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } } /* * Non-option argument specifies database name as long as it wasn't * already specified with -d / --dbname */ if (optind < argc && dbname == NULL) { dbname = argv[optind]; optind++; } if (optind < argc) { fprintf(stderr, _("%s: too many command-line arguments (first is \"%s\")\n"), progname, argv[optind]); fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname); exit(1); } setup_cancel_handler(); if (alldb) { if (dbname) { fprintf(stderr, _("%s: cannot cluster all databases and a specific one at the same time\n"), progname); exit(1); } if (tables.head != NULL) { fprintf(stderr, _("%s: cannot cluster specific table(s) in all databases\n"), progname); exit(1); } cluster_all_databases(verbose, maintenance_db, host, port, username, prompt_password, progname, echo, quiet); } else { if (dbname == NULL) { if (getenv("PGDATABASE")) dbname = getenv("PGDATABASE"); else if (getenv("PGUSER")) dbname = getenv("PGUSER"); else dbname = get_user_name(progname); } if (tables.head != NULL) { SimpleStringListCell *cell; for (cell = tables.head; cell; cell = cell->next) { cluster_one_database(dbname, verbose, cell->val, host, port, username, prompt_password, progname, echo); } } else cluster_one_database(dbname, verbose, NULL, host, port, username, prompt_password, progname, echo); } exit(0); }