Header And Logo
|
#include "postgres.h"#include <ctype.h>#include <math.h>#include <float.h>#include <limits.h>#include <sys/time.h>#include "access/hash.h"#include "access/xact.h"#include "catalog/pg_type.h"#include "funcapi.h"#include "libpq/pqformat.h"#include "miscadmin.h"#include "nodes/nodeFuncs.h"#include "parser/scansup.h"#include "utils/array.h"#include "utils/builtins.h"#include "utils/datetime.h"
Go to the source code of this file.
| #define TIMESTAMP_GT | ( | t1, | ||
| t2 | ||||
| ) | DatumGetBool(DirectFunctionCall2(timestamp_gt,t1,t2)) |
Referenced by overlaps_timestamp().
| #define TIMESTAMP_LT | ( | t1, | ||
| t2 | ||||
| ) | DatumGetBool(DirectFunctionCall2(timestamp_lt,t1,t2)) |
Referenced by overlaps_timestamp().
Definition at line 1009 of file timestamp.c.
References DAY, Interval::day, elog, ereport, errcode(), errmsg(), ERROR, HOUR, INT64CONST, INTERVAL_FULL_PRECISION, INTERVAL_FULL_RANGE, INTERVAL_MASK, INTERVAL_PRECISION, INTERVAL_RANGE, MAX_INTERVAL_PRECISION, MINUTE, MONTH, Interval::month, MONTHS_PER_YEAR, range(), rint(), SECOND, SECS_PER_HOUR, SECS_PER_MINUTE, Interval::time, USECS_PER_HOUR, USECS_PER_MINUTE, and YEAR.
Referenced by interval_in(), interval_recv(), and interval_scale().
{
#ifdef HAVE_INT64_TIMESTAMP
static const int64 IntervalScales[MAX_INTERVAL_PRECISION + 1] = {
INT64CONST(1000000),
INT64CONST(100000),
INT64CONST(10000),
INT64CONST(1000),
INT64CONST(100),
INT64CONST(10),
INT64CONST(1)
};
static const int64 IntervalOffsets[MAX_INTERVAL_PRECISION + 1] = {
INT64CONST(500000),
INT64CONST(50000),
INT64CONST(5000),
INT64CONST(500),
INT64CONST(50),
INT64CONST(5),
INT64CONST(0)
};
#else
static const double IntervalScales[MAX_INTERVAL_PRECISION + 1] = {
1,
10,
100,
1000,
10000,
100000,
1000000
};
#endif
/*
* Unspecified range and precision? Then not necessary to adjust. Setting
* typmod to -1 is the convention for all data types.
*/
if (typmod >= 0)
{
int range = INTERVAL_RANGE(typmod);
int precision = INTERVAL_PRECISION(typmod);
/*
* Our interpretation of intervals with a limited set of fields is
* that fields to the right of the last one specified are zeroed out,
* but those to the left of it remain valid. Thus for example there
* is no operational difference between INTERVAL YEAR TO MONTH and
* INTERVAL MONTH. In some cases we could meaningfully enforce that
* higher-order fields are zero; for example INTERVAL DAY could reject
* nonzero "month" field. However that seems a bit pointless when we
* can't do it consistently. (We cannot enforce a range limit on the
* highest expected field, since we do not have any equivalent of
* SQL's <interval leading field precision>.) If we ever decide to
* revisit this, interval_transform will likely require adjusting.
*
* Note: before PG 8.4 we interpreted a limited set of fields as
* actually causing a "modulo" operation on a given value, potentially
* losing high-order as well as low-order information. But there is
* no support for such behavior in the standard, and it seems fairly
* undesirable on data consistency grounds anyway. Now we only
* perform truncation or rounding of low-order fields.
*/
if (range == INTERVAL_FULL_RANGE)
{
/* Do nothing... */
}
else if (range == INTERVAL_MASK(YEAR))
{
interval->month = (interval->month / MONTHS_PER_YEAR) * MONTHS_PER_YEAR;
interval->day = 0;
interval->time = 0;
}
else if (range == INTERVAL_MASK(MONTH))
{
interval->day = 0;
interval->time = 0;
}
/* YEAR TO MONTH */
else if (range == (INTERVAL_MASK(YEAR) | INTERVAL_MASK(MONTH)))
{
interval->day = 0;
interval->time = 0;
}
else if (range == INTERVAL_MASK(DAY))
{
interval->time = 0;
}
else if (range == INTERVAL_MASK(HOUR))
{
#ifdef HAVE_INT64_TIMESTAMP
interval->time = (interval->time / USECS_PER_HOUR) *
USECS_PER_HOUR;
#else
interval->time = ((int) (interval->time / SECS_PER_HOUR)) * (double) SECS_PER_HOUR;
#endif
}
else if (range == INTERVAL_MASK(MINUTE))
{
#ifdef HAVE_INT64_TIMESTAMP
interval->time = (interval->time / USECS_PER_MINUTE) *
USECS_PER_MINUTE;
#else
interval->time = ((int) (interval->time / SECS_PER_MINUTE)) * (double) SECS_PER_MINUTE;
#endif
}
else if (range == INTERVAL_MASK(SECOND))
{
/* fractional-second rounding will be dealt with below */
}
/* DAY TO HOUR */
else if (range == (INTERVAL_MASK(DAY) |
INTERVAL_MASK(HOUR)))
{
#ifdef HAVE_INT64_TIMESTAMP
interval->time = (interval->time / USECS_PER_HOUR) *
USECS_PER_HOUR;
#else
interval->time = ((int) (interval->time / SECS_PER_HOUR)) * (double) SECS_PER_HOUR;
#endif
}
/* DAY TO MINUTE */
else if (range == (INTERVAL_MASK(DAY) |
INTERVAL_MASK(HOUR) |
INTERVAL_MASK(MINUTE)))
{
#ifdef HAVE_INT64_TIMESTAMP
interval->time = (interval->time / USECS_PER_MINUTE) *
USECS_PER_MINUTE;
#else
interval->time = ((int) (interval->time / SECS_PER_MINUTE)) * (double) SECS_PER_MINUTE;
#endif
}
/* DAY TO SECOND */
else if (range == (INTERVAL_MASK(DAY) |
INTERVAL_MASK(HOUR) |
INTERVAL_MASK(MINUTE) |
INTERVAL_MASK(SECOND)))
{
/* fractional-second rounding will be dealt with below */
}
/* HOUR TO MINUTE */
else if (range == (INTERVAL_MASK(HOUR) |
INTERVAL_MASK(MINUTE)))
{
#ifdef HAVE_INT64_TIMESTAMP
interval->time = (interval->time / USECS_PER_MINUTE) *
USECS_PER_MINUTE;
#else
interval->time = ((int) (interval->time / SECS_PER_MINUTE)) * (double) SECS_PER_MINUTE;
#endif
}
/* HOUR TO SECOND */
else if (range == (INTERVAL_MASK(HOUR) |
INTERVAL_MASK(MINUTE) |
INTERVAL_MASK(SECOND)))
{
/* fractional-second rounding will be dealt with below */
}
/* MINUTE TO SECOND */
else if (range == (INTERVAL_MASK(MINUTE) |
INTERVAL_MASK(SECOND)))
{
/* fractional-second rounding will be dealt with below */
}
else
elog(ERROR, "unrecognized interval typmod: %d", typmod);
/* Need to adjust subsecond precision? */
if (precision != INTERVAL_FULL_PRECISION)
{
if (precision < 0 || precision > MAX_INTERVAL_PRECISION)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("interval(%d) precision must be between %d and %d",
precision, 0, MAX_INTERVAL_PRECISION)));
/*
* Note: this round-to-nearest code is not completely consistent
* about rounding values that are exactly halfway between integral
* values. On most platforms, rint() will implement
* round-to-nearest-even, but the integer code always rounds up
* (away from zero). Is it worth trying to be consistent?
*/
#ifdef HAVE_INT64_TIMESTAMP
if (interval->time >= INT64CONST(0))
{
interval->time = ((interval->time +
IntervalOffsets[precision]) /
IntervalScales[precision]) *
IntervalScales[precision];
}
else
{
interval->time = -(((-interval->time +
IntervalOffsets[precision]) /
IntervalScales[precision]) *
IntervalScales[precision]);
}
#else
interval->time = rint(((double) interval->time) *
IntervalScales[precision]) /
IntervalScales[precision];
#endif
}
}
}
Definition at line 341 of file timestamp.c.
References ereport, errcode(), errmsg(), ERROR, INT64CONST, MAX_TIMESTAMP_PRECISION, rint(), and TIMESTAMP_NOT_FINITE.
Referenced by timestamp_in(), timestamp_recv(), timestamp_scale(), timestamptz_in(), timestamptz_recv(), and timestamptz_scale().
{
#ifdef HAVE_INT64_TIMESTAMP
static const int64 TimestampScales[MAX_TIMESTAMP_PRECISION + 1] = {
INT64CONST(1000000),
INT64CONST(100000),
INT64CONST(10000),
INT64CONST(1000),
INT64CONST(100),
INT64CONST(10),
INT64CONST(1)
};
static const int64 TimestampOffsets[MAX_TIMESTAMP_PRECISION + 1] = {
INT64CONST(500000),
INT64CONST(50000),
INT64CONST(5000),
INT64CONST(500),
INT64CONST(50),
INT64CONST(5),
INT64CONST(0)
};
#else
static const double TimestampScales[MAX_TIMESTAMP_PRECISION + 1] = {
1,
10,
100,
1000,
10000,
100000,
1000000
};
#endif
if (!TIMESTAMP_NOT_FINITE(*time)
&& (typmod != -1) && (typmod != MAX_TIMESTAMP_PRECISION))
{
if (typmod < 0 || typmod > MAX_TIMESTAMP_PRECISION)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("timestamp(%d) precision must be between %d and %d",
typmod, 0, MAX_TIMESTAMP_PRECISION)));
/*
* Note: this round-to-nearest code is not completely consistent about
* rounding values that are exactly halfway between integral values.
* On most platforms, rint() will implement round-to-nearest-even, but
* the integer code always rounds up (away from zero). Is it worth
* trying to be consistent?
*/
#ifdef HAVE_INT64_TIMESTAMP
if (*time >= INT64CONST(0))
{
*time = ((*time + TimestampOffsets[typmod]) / TimestampScales[typmod]) *
TimestampScales[typmod];
}
else
{
*time = -((((-*time) + TimestampOffsets[typmod]) / TimestampScales[typmod])
* TimestampScales[typmod]);
}
#else
*time = rint((double) *time * TimestampScales[typmod]) / TimestampScales[typmod];
#endif
}
}
Definition at line 78 of file timestamp.c.
References ArrayGetIntegerTypmods(), ereport, errcode(), errmsg(), ERROR, MAX_TIMESTAMP_PRECISION, and WARNING.
Referenced by timestamptypmodin(), and timestamptztypmodin().
{
int32 typmod;
int32 *tl;
int n;
tl = ArrayGetIntegerTypmods(ta, &n);
/*
* we're not too tense about good error message here because grammar
* shouldn't allow wrong number of modifiers for TIMESTAMP
*/
if (n != 1)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid type modifier")));
if (*tl < 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("TIMESTAMP(%d)%s precision must not be negative",
*tl, (istz ? " WITH TIME ZONE" : ""))));
if (*tl > MAX_TIMESTAMP_PRECISION)
{
ereport(WARNING,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("TIMESTAMP(%d)%s precision reduced to maximum allowed, %d",
*tl, (istz ? " WITH TIME ZONE" : ""),
MAX_TIMESTAMP_PRECISION)));
typmod = MAX_TIMESTAMP_PRECISION;
}
else
typmod = *tl;
return typmod;
}
Definition at line 117 of file timestamp.c.
References palloc(), and snprintf().
Referenced by timestamptypmodout(), and timestamptztypmodout().
| Datum clock_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1245 of file timestamp.c.
References GetCurrentTimestamp(), and PG_RETURN_TIMESTAMPTZ.
| int date2isoweek | ( | int | year, | |
| int | mon, | |||
| int | mday | |||
| ) |
Definition at line 3847 of file timestamp.c.
References date2j(), and j2day().
Referenced by DCH_to_char(), timestamp_part(), timestamp_trunc(), timestamptz_part(), and timestamptz_trunc().
{
float8 result;
int day0,
day4,
dayn;
/* current day */
dayn = date2j(year, mon, mday);
/* fourth day of current year */
day4 = date2j(year, 1, 4);
/* day0 == offset to first day of week (Monday) */
day0 = j2day(day4 - 1);
/*
* We need the first week containing a Thursday, otherwise this day falls
* into the previous year for purposes of counting weeks
*/
if (dayn < day4 - day0)
{
day4 = date2j(year - 1, 1, 4);
/* day0 == offset to first day of week (Monday) */
day0 = j2day(day4 - 1);
}
result = (dayn - (day4 - day0)) / 7 + 1;
/*
* Sometimes the last few days in a year will fall into the first week of
* the next year, so check for this.
*/
if (result >= 52)
{
day4 = date2j(year + 1, 1, 4);
/* day0 == offset to first day of week (Monday) */
day0 = j2day(day4 - 1);
if (dayn >= day4 - day0)
result = (dayn - (day4 - day0)) / 7 + 1;
}
return (int) result;
}
| int date2isoyear | ( | int | year, | |
| int | mon, | |||
| int | mday | |||
| ) |
Definition at line 3901 of file timestamp.c.
References date2j(), and j2day().
Referenced by date2isoyearday(), DCH_to_char(), timestamp_part(), and timestamptz_part().
{
float8 result;
int day0,
day4,
dayn;
/* current day */
dayn = date2j(year, mon, mday);
/* fourth day of current year */
day4 = date2j(year, 1, 4);
/* day0 == offset to first day of week (Monday) */
day0 = j2day(day4 - 1);
/*
* We need the first week containing a Thursday, otherwise this day falls
* into the previous year for purposes of counting weeks
*/
if (dayn < day4 - day0)
{
day4 = date2j(year - 1, 1, 4);
/* day0 == offset to first day of week (Monday) */
day0 = j2day(day4 - 1);
year--;
}
result = (dayn - (day4 - day0)) / 7 + 1;
/*
* Sometimes the last few days in a year will fall into the first week of
* the next year, so check for this.
*/
if (result >= 52)
{
day4 = date2j(year + 1, 1, 4);
/* day0 == offset to first day of week (Monday) */
day0 = j2day(day4 - 1);
if (dayn >= day4 - day0)
year++;
}
return year;
}
| int date2isoyearday | ( | int | year, | |
| int | mon, | |||
| int | mday | |||
| ) |
Definition at line 3958 of file timestamp.c.
References date2isoyear(), date2j(), and isoweek2j().
Referenced by DCH_to_char().
{
return date2j(year, mon, mday) - isoweek2j(date2isoyear(year, mon, mday), 1) + 1;
}
Definition at line 1784 of file timestamp.c.
Referenced by timestamp_izone(), timestamp_zone(), timestamptz_izone(), timestamptz_zone(), and tm2timestamp().
{
#ifdef HAVE_INT64_TIMESTAMP
dt -= (tz * USECS_PER_SEC);
#else
dt -= tz;
#endif
return dt;
}
Definition at line 1468 of file timestamp.c.
Referenced by DecodeDateTime(), DecodeTimeOnly(), and timestamp2tm().
{
TimeOffset time;
time = jd;
#ifdef HAVE_INT64_TIMESTAMP
*hour = time / USECS_PER_HOUR;
time -= (*hour) * USECS_PER_HOUR;
*min = time / USECS_PER_MINUTE;
time -= (*min) * USECS_PER_MINUTE;
*sec = time / USECS_PER_SEC;
*fsec = time - (*sec * USECS_PER_SEC);
#else
*hour = time / SECS_PER_HOUR;
time -= (*hour) * SECS_PER_HOUR;
*min = time / SECS_PER_MINUTE;
time -= (*min) * SECS_PER_MINUTE;
*sec = time;
*fsec = time - *sec;
#endif
} /* dt2time() */
| static void EncodeSpecialTimestamp | ( | Timestamp | dt, | |
| char * | str | |||
| ) | [static] |
Definition at line 1222 of file timestamp.c.
References EARLY, elog, ERROR, LATE, TIMESTAMP_IS_NOBEGIN, and TIMESTAMP_IS_NOEND.
Referenced by timestamp_out(), timestamptz_out(), and timestamptz_to_str().
{
if (TIMESTAMP_IS_NOBEGIN(dt))
strcpy(str, EARLY);
else if (TIMESTAMP_IS_NOEND(dt))
strcpy(str, LATE);
else /* shouldn't happen */
elog(ERROR, "invalid argument for EncodeSpecialTimestamp");
}
| Datum generate_series_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4803 of file timestamp.c.
References generate_series_timestamp_fctx::current, DatumGetTimestamp, DirectFunctionCall2, ereport, errcode(), errmsg(), ERROR, generate_series_timestamp_fctx::finish, interval_cmp_internal(), MemoryContextSwitchTo(), MemSet, FuncCallContext::multi_call_memory_ctx, palloc(), PG_GETARG_INTERVAL_P, PG_GETARG_TIMESTAMP, PointerGetDatum, SRF_FIRSTCALL_INIT, SRF_IS_FIRSTCALL, SRF_PERCALL_SETUP, SRF_RETURN_DONE, SRF_RETURN_NEXT, generate_series_timestamp_fctx::step, generate_series_timestamp_fctx::step_sign, timestamp_cmp_internal(), timestamp_pl_interval(), TimestampGetDatum, and FuncCallContext::user_fctx.
{
FuncCallContext *funcctx;
generate_series_timestamp_fctx *fctx;
Timestamp result;
/* stuff done only on the first call of the function */
if (SRF_IS_FIRSTCALL())
{
Timestamp start = PG_GETARG_TIMESTAMP(0);
Timestamp finish = PG_GETARG_TIMESTAMP(1);
Interval *step = PG_GETARG_INTERVAL_P(2);
MemoryContext oldcontext;
Interval interval_zero;
/* 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);
/* allocate memory for user context */
fctx = (generate_series_timestamp_fctx *)
palloc(sizeof(generate_series_timestamp_fctx));
/*
* Use fctx to keep state from call to call. Seed current with the
* original start value
*/
fctx->current = start;
fctx->finish = finish;
fctx->step = *step;
/* Determine sign of the interval */
MemSet(&interval_zero, 0, sizeof(Interval));
fctx->step_sign = interval_cmp_internal(&fctx->step, &interval_zero);
if (fctx->step_sign == 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("step size cannot equal zero")));
funcctx->user_fctx = fctx;
MemoryContextSwitchTo(oldcontext);
}
/* stuff done on every call of the function */
funcctx = SRF_PERCALL_SETUP();
/*
* get the saved state and use current as the result for this iteration
*/
fctx = funcctx->user_fctx;
result = fctx->current;
if (fctx->step_sign > 0 ?
timestamp_cmp_internal(result, fctx->finish) <= 0 :
timestamp_cmp_internal(result, fctx->finish) >= 0)
{
/* increment current in preparation for next iteration */
fctx->current = DatumGetTimestamp(
DirectFunctionCall2(timestamp_pl_interval,
TimestampGetDatum(fctx->current),
PointerGetDatum(&fctx->step)));
/* do when there is more left to send */
SRF_RETURN_NEXT(funcctx, TimestampGetDatum(result));
}
else
{
/* do when there is no more left */
SRF_RETURN_DONE(funcctx);
}
}
| Datum generate_series_timestamptz | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4884 of file timestamp.c.
References generate_series_timestamptz_fctx::current, DatumGetTimestampTz, DirectFunctionCall2, ereport, errcode(), errmsg(), ERROR, generate_series_timestamptz_fctx::finish, interval_cmp_internal(), MemoryContextSwitchTo(), MemSet, FuncCallContext::multi_call_memory_ctx, palloc(), PG_GETARG_INTERVAL_P, PG_GETARG_TIMESTAMPTZ, PointerGetDatum, SRF_FIRSTCALL_INIT, SRF_IS_FIRSTCALL, SRF_PERCALL_SETUP, SRF_RETURN_DONE, SRF_RETURN_NEXT, generate_series_timestamptz_fctx::step, generate_series_timestamptz_fctx::step_sign, timestamp_cmp_internal(), timestamptz_pl_interval(), TimestampTzGetDatum, and FuncCallContext::user_fctx.
{
FuncCallContext *funcctx;
generate_series_timestamptz_fctx *fctx;
TimestampTz result;
/* stuff done only on the first call of the function */
if (SRF_IS_FIRSTCALL())
{
TimestampTz start = PG_GETARG_TIMESTAMPTZ(0);
TimestampTz finish = PG_GETARG_TIMESTAMPTZ(1);
Interval *step = PG_GETARG_INTERVAL_P(2);
MemoryContext oldcontext;
Interval interval_zero;
/* 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);
/* allocate memory for user context */
fctx = (generate_series_timestamptz_fctx *)
palloc(sizeof(generate_series_timestamptz_fctx));
/*
* Use fctx to keep state from call to call. Seed current with the
* original start value
*/
fctx->current = start;
fctx->finish = finish;
fctx->step = *step;
/* Determine sign of the interval */
MemSet(&interval_zero, 0, sizeof(Interval));
fctx->step_sign = interval_cmp_internal(&fctx->step, &interval_zero);
if (fctx->step_sign == 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("step size cannot equal zero")));
funcctx->user_fctx = fctx;
MemoryContextSwitchTo(oldcontext);
}
/* stuff done on every call of the function */
funcctx = SRF_PERCALL_SETUP();
/*
* get the saved state and use current as the result for this iteration
*/
fctx = funcctx->user_fctx;
result = fctx->current;
if (fctx->step_sign > 0 ?
timestamp_cmp_internal(result, fctx->finish) <= 0 :
timestamp_cmp_internal(result, fctx->finish) >= 0)
{
/* increment current in preparation for next iteration */
fctx->current = DatumGetTimestampTz(
DirectFunctionCall2(timestamptz_pl_interval,
TimestampTzGetDatum(fctx->current),
PointerGetDatum(&fctx->step)));
/* do when there is more left to send */
SRF_RETURN_NEXT(funcctx, TimestampTzGetDatum(result));
}
else
{
/* do when there is no more left */
SRF_RETURN_DONE(funcctx);
}
}
| int64 GetCurrentIntegerTimestamp | ( | void | ) |
Definition at line 1297 of file timestamp.c.
References gettimeofday(), NULL, POSTGRES_EPOCH_JDATE, and UNIX_EPOCH_JDATE.
Referenced by WalSndKeepalive(), XLogSend(), XLogWalRcvSendHSFeedback(), and XLogWalRcvSendReply().
{
int64 result;
struct timeval tp;
gettimeofday(&tp, NULL);
result = (int64) tp.tv_sec -
((POSTGRES_EPOCH_JDATE - UNIX_EPOCH_JDATE) * SECS_PER_DAY);
result = (result * USECS_PER_SEC) + tp.tv_usec;
return result;
}
| TimestampTz GetCurrentTimestamp | ( | void | ) |
Definition at line 1269 of file timestamp.c.
References gettimeofday(), NULL, POSTGRES_EPOCH_JDATE, and UNIX_EPOCH_JDATE.
Referenced by assign_backendlist_entry(), asyncQueueFillWarning(), autovac_refresh_stats(), AutoVacLauncherMain(), backend_read_statsfile(), BackendInitialize(), check_log_duration(), CheckPointBuffers(), CleanupBackgroundWorker(), clock_timestamp(), CreateCheckPoint(), CreateRestartPoint(), DetermineSleepTime(), disable_timeout(), disable_timeouts(), do_analyze_rel(), do_start_worker(), enable_timeout_after(), enable_timeout_at(), enable_timeouts(), GetCurrentTransactionStopTimestamp(), GetReplicationApplyDelay(), handle_sig_alarm(), launcher_determine_sleep(), lazy_vacuum_rel(), log_disconnections(), LogCheckpointEnd(), md5_crypt_verify(), pgstat_bestart(), pgstat_read_statsfiles(), pgstat_recv_inquiry(), pgstat_recv_resetsharedcounter(), pgstat_recv_resetsinglecounter(), pgstat_report_activity(), pgstat_report_analyze(), pgstat_report_autovac(), pgstat_report_vacuum(), pgstat_write_statsfiles(), PostgresMain(), PostmasterMain(), PrepareTransaction(), ProcessRepliesIfAny(), ProcessWalSndrMessage(), ProcSleep(), rebuild_database_list(), RecordTransactionAbort(), RecordTransactionAbortPrepared(), RecordTransactionCommitPrepared(), reset_dbentry_counters(), ResolveRecoveryConflictWithBufferPin(), ResolveRecoveryConflictWithVirtualXIDs(), SetCurrentStatementStartTimestamp(), SetCurrentTransactionStopTimestamp(), StartOneBackgroundWorker(), StartupXLOG(), WaitExceedsMaxStandbyDelay(), WaitForWALToBecomeAvailable(), WalReceiverMain(), WalSndLoop(), XLogFileRead(), XLogRestorePoint(), XLogWalRcvSendHSFeedback(), and XLogWalRcvSendReply().
{
TimestampTz result;
struct timeval tp;
gettimeofday(&tp, NULL);
result = (TimestampTz) tp.tv_sec -
((POSTGRES_EPOCH_JDATE - UNIX_EPOCH_JDATE) * SECS_PER_DAY);
#ifdef HAVE_INT64_TIMESTAMP
result = (result * USECS_PER_SEC) + tp.tv_usec;
#else
result = result + (tp.tv_usec / 1000000.0);
#endif
return result;
}
| void GetEpochTime | ( | struct pg_tm * | tm | ) |
Definition at line 1820 of file timestamp.c.
References epoch, pg_gmtime(), pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, and pg_tm::tm_year.
Referenced by date_in(), PGTYPESdate_from_asc(), and SetEpochTimestamp().
| TimestampTz IntegerTimestampToTimestampTz | ( | int64 | timestamp | ) |
Definition at line 1321 of file timestamp.c.
Referenced by XLogWalRcvProcessMsg().
{
TimestampTz result;
result = timestamp / USECS_PER_SEC;
result += (timestamp % USECS_PER_SEC) / 1000000.0;
return result;
}
Definition at line 1714 of file timestamp.c.
References Interval::day, Interval::month, SECS_PER_HOUR, SECS_PER_MINUTE, Interval::time, pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, TMODULO, and TSROUND.
Referenced by interval_out(), interval_part(), interval_to_char(), interval_trunc(), and PGTYPESinterval_to_asc().
{
TimeOffset time;
TimeOffset tfrac;
tm->tm_year = span.month / MONTHS_PER_YEAR;
tm->tm_mon = span.month % MONTHS_PER_YEAR;
tm->tm_mday = span.day;
time = span.time;
#ifdef HAVE_INT64_TIMESTAMP
tfrac = time / USECS_PER_HOUR;
time -= tfrac * USECS_PER_HOUR;
tm->tm_hour = tfrac; /* could overflow ... */
tfrac = time / USECS_PER_MINUTE;
time -= tfrac * USECS_PER_MINUTE;
tm->tm_min = tfrac;
tfrac = time / USECS_PER_SEC;
*fsec = time - (tfrac * USECS_PER_SEC);
tm->tm_sec = tfrac;
#else
recalc:
TMODULO(time, tfrac, (double) SECS_PER_HOUR);
tm->tm_hour = tfrac; /* could overflow ... */
TMODULO(time, tfrac, (double) SECS_PER_MINUTE);
tm->tm_min = tfrac;
TMODULO(time, tfrac, 1.0);
tm->tm_sec = tfrac;
time = TSROUND(time);
/* roundoff may need to propagate to higher-order fields */
if (time >= 1.0)
{
time = ceil(span.time);
goto recalc;
}
*fsec = time;
#endif
return 0;
}
| Datum interval_accum | ( | PG_FUNCTION_ARGS | ) |
Definition at line 3062 of file timestamp.c.
References construct_array(), DatumGetIntervalP, DatumGetPointer, deconstruct_array(), DirectFunctionCall2, elog, ERROR, interval_pl(), INTERVALOID, IntervalPGetDatum, NULL, PG_GETARG_ARRAYTYPE_P, PG_GETARG_INTERVAL_P, and PG_RETURN_ARRAYTYPE_P.
{
ArrayType *transarray = PG_GETARG_ARRAYTYPE_P(0);
Interval *newval = PG_GETARG_INTERVAL_P(1);
Datum *transdatums;
int ndatums;
Interval sumX,
N;
Interval *newsum;
ArrayType *result;
deconstruct_array(transarray,
INTERVALOID, sizeof(Interval), false, 'd',
&transdatums, NULL, &ndatums);
if (ndatums != 2)
elog(ERROR, "expected 2-element interval array");
/*
* XXX memcpy, instead of just extracting a pointer, to work around buggy
* array code: it won't ensure proper alignment of Interval objects on
* machines where double requires 8-byte alignment. That should be fixed,
* but in the meantime...
*
* Note: must use DatumGetPointer here, not DatumGetIntervalP, else some
* compilers optimize into double-aligned load/store anyway.
*/
memcpy((void *) &sumX, DatumGetPointer(transdatums[0]), sizeof(Interval));
memcpy((void *) &N, DatumGetPointer(transdatums[1]), sizeof(Interval));
newsum = DatumGetIntervalP(DirectFunctionCall2(interval_pl,
IntervalPGetDatum(&sumX),
IntervalPGetDatum(newval)));
N.time += 1;
transdatums[0] = IntervalPGetDatum(newsum);
transdatums[1] = IntervalPGetDatum(&N);
result = construct_array(transdatums, 2,
INTERVALOID, sizeof(Interval), false, 'd');
PG_RETURN_ARRAYTYPE_P(result);
}
| Datum interval_avg | ( | PG_FUNCTION_ARGS | ) |
Definition at line 3106 of file timestamp.c.
References DatumGetPointer, deconstruct_array(), DirectFunctionCall2, elog, ERROR, Float8GetDatum(), interval_div(), INTERVALOID, IntervalPGetDatum, NULL, PG_GETARG_ARRAYTYPE_P, and PG_RETURN_NULL.
{
ArrayType *transarray = PG_GETARG_ARRAYTYPE_P(0);
Datum *transdatums;
int ndatums;
Interval sumX,
N;
deconstruct_array(transarray,
INTERVALOID, sizeof(Interval), false, 'd',
&transdatums, NULL, &ndatums);
if (ndatums != 2)
elog(ERROR, "expected 2-element interval array");
/*
* XXX memcpy, instead of just extracting a pointer, to work around buggy
* array code: it won't ensure proper alignment of Interval objects on
* machines where double requires 8-byte alignment. That should be fixed,
* but in the meantime...
*
* Note: must use DatumGetPointer here, not DatumGetIntervalP, else some
* compilers optimize into double-aligned load/store anyway.
*/
memcpy((void *) &sumX, DatumGetPointer(transdatums[0]), sizeof(Interval));
memcpy((void *) &N, DatumGetPointer(transdatums[1]), sizeof(Interval));
/* SQL defines AVG of no values to be NULL */
if (N.time == 0)
PG_RETURN_NULL();
return DirectFunctionCall2(interval_div,
IntervalPGetDatum(&sumX),
Float8GetDatum(N.time));
}
| Datum interval_cmp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2251 of file timestamp.c.
References interval_cmp_internal(), PG_GETARG_INTERVAL_P, and PG_RETURN_INT32.
Referenced by gbt_intvkey_cmp().
{
Interval *interval1 = PG_GETARG_INTERVAL_P(0);
Interval *interval2 = PG_GETARG_INTERVAL_P(1);
PG_RETURN_INT32(interval_cmp_internal(interval1, interval2));
}
Definition at line 2188 of file timestamp.c.
References interval_cmp_value().
Referenced by generate_series_timestamp(), generate_series_timestamptz(), interval_cmp(), interval_eq(), interval_ge(), interval_gt(), interval_larger(), interval_le(), interval_lt(), interval_ne(), and interval_smaller().
{
TimeOffset span1 = interval_cmp_value(interval1);
TimeOffset span2 = interval_cmp_value(interval2);
return ((span1 < span2) ? -1 : (span1 > span2) ? 1 : 0);
}
| static TimeOffset interval_cmp_value | ( | const Interval * | interval | ) | [inline, static] |
Definition at line 2170 of file timestamp.c.
References Interval::day, DAYS_PER_MONTH, HOURS_PER_DAY, INT64CONST, Interval::month, SECS_PER_DAY, SECS_PER_HOUR, and Interval::time.
Referenced by interval_cmp_internal(), and interval_hash().
{
TimeOffset span;
span = interval->time;
#ifdef HAVE_INT64_TIMESTAMP
span += interval->month * INT64CONST(30) * USECS_PER_DAY;
span += interval->day * INT64CONST(24) * USECS_PER_HOUR;
#else
span += interval->month * ((double) DAYS_PER_MONTH * SECS_PER_DAY);
span += interval->day * ((double) HOURS_PER_DAY * SECS_PER_HOUR);
#endif
return span;
}
| Datum interval_div | ( | PG_FUNCTION_ARGS | ) |
Definition at line 3006 of file timestamp.c.
References Abs, Interval::day, DAYS_PER_MONTH, ereport, errcode(), errmsg(), ERROR, Interval::month, palloc(), PG_GETARG_FLOAT8, PG_GETARG_INTERVAL_P, PG_RETURN_INTERVAL_P, rint(), SECS_PER_DAY, Interval::time, TSROUND, and USECS_PER_SEC.
Referenced by interval_avg().
{
Interval *span = PG_GETARG_INTERVAL_P(0);
float8 factor = PG_GETARG_FLOAT8(1);
double month_remainder_days,
sec_remainder;
int32 orig_month = span->month,
orig_day = span->day;
Interval *result;
result = (Interval *) palloc(sizeof(Interval));
if (factor == 0.0)
ereport(ERROR,
(errcode(ERRCODE_DIVISION_BY_ZERO),
errmsg("division by zero")));
result->month = (int32) (span->month / factor);
result->day = (int32) (span->day / factor);
/*
* Fractional months full days into days. See comment in interval_mul().
*/
month_remainder_days = (orig_month / factor - result->month) * DAYS_PER_MONTH;
month_remainder_days = TSROUND(month_remainder_days);
sec_remainder = (orig_day / factor - result->day +
month_remainder_days - (int) month_remainder_days) * SECS_PER_DAY;
sec_remainder = TSROUND(sec_remainder);
if (Abs(sec_remainder) >= SECS_PER_DAY)
{
result->day += (int) (sec_remainder / SECS_PER_DAY);
sec_remainder -= (int) (sec_remainder / SECS_PER_DAY) * SECS_PER_DAY;
}
/* cascade units down */
result->day += (int32) month_remainder_days;
#ifdef HAVE_INT64_TIMESTAMP
result->time = rint(span->time / factor + sec_remainder * USECS_PER_SEC);
#else
/* See TSROUND comment in interval_mul(). */
result->time = span->time / factor + sec_remainder;
#endif
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_eq | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2197 of file timestamp.c.
References interval_cmp_internal(), PG_GETARG_INTERVAL_P, and PG_RETURN_BOOL.
Referenced by gbt_intveq().
{
Interval *interval1 = PG_GETARG_INTERVAL_P(0);
Interval *interval2 = PG_GETARG_INTERVAL_P(1);
PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) == 0);
}
| Datum interval_finite | ( | PG_FUNCTION_ARGS | ) |
| Datum interval_ge | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2242 of file timestamp.c.
References interval_cmp_internal(), PG_GETARG_INTERVAL_P, and PG_RETURN_BOOL.
Referenced by gbt_intvge().
{
Interval *interval1 = PG_GETARG_INTERVAL_P(0);
Interval *interval2 = PG_GETARG_INTERVAL_P(1);
PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) >= 0);
}
| Datum interval_gt | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2224 of file timestamp.c.
References interval_cmp_internal(), PG_GETARG_INTERVAL_P, and PG_RETURN_BOOL.
Referenced by gbt_intvgt().
{
Interval *interval1 = PG_GETARG_INTERVAL_P(0);
Interval *interval2 = PG_GETARG_INTERVAL_P(1);
PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) > 0);
}
| Datum interval_hash | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2267 of file timestamp.c.
References DirectFunctionCall1, Float8GetDatumFast, hashfloat8(), hashint8(), Int64GetDatumFast, interval_cmp_value(), and PG_GETARG_INTERVAL_P.
{
Interval *interval = PG_GETARG_INTERVAL_P(0);
TimeOffset span = interval_cmp_value(interval);
#ifdef HAVE_INT64_TIMESTAMP
return DirectFunctionCall1(hashint8, Int64GetDatumFast(span));
#else
return DirectFunctionCall1(hashfloat8, Float8GetDatumFast(span));
#endif
}
| Datum interval_in | ( | PG_FUNCTION_ARGS | ) |
Definition at line 609 of file timestamp.c.
References AdjustIntervalForTypmod(), DateTimeParseError(), DecodeInterval(), DecodeISO8601Interval(), DTERR_BAD_FORMAT, DTERR_FIELD_OVERFLOW, DTK_DELTA, DTK_INVALID, elog, ereport, errcode(), errmsg(), ERROR, INTERVAL_RANGE, MAXDATEFIELDS, palloc(), ParseDateTime(), PG_GETARG_CSTRING, PG_GETARG_INT32, PG_GETARG_OID, PG_RETURN_INTERVAL_P, tm, tm2interval(), pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, and pg_tm::tm_year.
Referenced by check_timezone(), and flatten_set_variable_args().
{
char *str = PG_GETARG_CSTRING(0);
#ifdef NOT_USED
Oid typelem = PG_GETARG_OID(1);
#endif
int32 typmod = PG_GETARG_INT32(2);
Interval *result;
fsec_t fsec;
struct pg_tm tt,
*tm = &tt;
int dtype;
int nf;
int range;
int dterr;
char *field[MAXDATEFIELDS];
int ftype[MAXDATEFIELDS];
char workbuf[256];
tm->tm_year = 0;
tm->tm_mon = 0;
tm->tm_mday = 0;
tm->tm_hour = 0;
tm->tm_min = 0;
tm->tm_sec = 0;
fsec = 0;
if (typmod >= 0)
range = INTERVAL_RANGE(typmod);
else
range = INTERVAL_FULL_RANGE;
dterr = ParseDateTime(str, workbuf, sizeof(workbuf), field,
ftype, MAXDATEFIELDS, &nf);
if (dterr == 0)
dterr = DecodeInterval(field, ftype, nf, range,
&dtype, tm, &fsec);
/* if those functions think it's a bad format, try ISO8601 style */
if (dterr == DTERR_BAD_FORMAT)
dterr = DecodeISO8601Interval(str,
&dtype, tm, &fsec);
if (dterr != 0)
{
if (dterr == DTERR_FIELD_OVERFLOW)
dterr = DTERR_INTERVAL_OVERFLOW;
DateTimeParseError(dterr, str, "interval");
}
result = (Interval *) palloc(sizeof(Interval));
switch (dtype)
{
case DTK_DELTA:
if (tm2interval(tm, fsec, result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("interval out of range")));
break;
case DTK_INVALID:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("date/time value \"%s\" is no longer supported", str)));
break;
default:
elog(ERROR, "unexpected dtype %d while parsing interval \"%s\"",
dtype, str);
}
AdjustIntervalForTypmod(result, typmod);
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_justify_days | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2617 of file timestamp.c.
References Interval::day, Interval::month, palloc(), PG_GETARG_INTERVAL_P, PG_RETURN_INTERVAL_P, and Interval::time.
{
Interval *span = PG_GETARG_INTERVAL_P(0);
Interval *result;
int32 wholemonth;
result = (Interval *) palloc(sizeof(Interval));
result->month = span->month;
result->day = span->day;
result->time = span->time;
wholemonth = result->day / DAYS_PER_MONTH;
result->day -= wholemonth * DAYS_PER_MONTH;
result->month += wholemonth;
if (result->month > 0 && result->day < 0)
{
result->day += DAYS_PER_MONTH;
result->month--;
}
else if (result->month < 0 && result->day > 0)
{
result->day -= DAYS_PER_MONTH;
result->month++;
}
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_justify_hours | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2570 of file timestamp.c.
References Interval::day, Interval::month, palloc(), PG_GETARG_INTERVAL_P, PG_RETURN_INTERVAL_P, SECS_PER_DAY, Interval::time, TMODULO, and USECS_PER_DAY.
Referenced by timestamp_mi().
{
Interval *span = PG_GETARG_INTERVAL_P(0);
Interval *result;
TimeOffset wholeday;
result = (Interval *) palloc(sizeof(Interval));
result->month = span->month;
result->day = span->day;
result->time = span->time;
#ifdef HAVE_INT64_TIMESTAMP
TMODULO(result->time, wholeday, USECS_PER_DAY);
#else
TMODULO(result->time, wholeday, (double) SECS_PER_DAY);
#endif
result->day += wholeday; /* could overflow... */
if (result->day > 0 && result->time < 0)
{
#ifdef HAVE_INT64_TIMESTAMP
result->time += USECS_PER_DAY;
#else
result->time += (double) SECS_PER_DAY;
#endif
result->day--;
}
else if (result->day < 0 && result->time > 0)
{
#ifdef HAVE_INT64_TIMESTAMP
result->time -= USECS_PER_DAY;
#else
result->time -= (double) SECS_PER_DAY;
#endif
result->day++;
}
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_justify_interval | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2503 of file timestamp.c.
References Interval::day, Interval::month, palloc(), PG_GETARG_INTERVAL_P, PG_RETURN_INTERVAL_P, SECS_PER_DAY, Interval::time, TMODULO, and USECS_PER_DAY.
{
Interval *span = PG_GETARG_INTERVAL_P(0);
Interval *result;
TimeOffset wholeday;
int32 wholemonth;
result = (Interval *) palloc(sizeof(Interval));
result->month = span->month;
result->day = span->day;
result->time = span->time;
#ifdef HAVE_INT64_TIMESTAMP
TMODULO(result->time, wholeday, USECS_PER_DAY);
#else
TMODULO(result->time, wholeday, (double) SECS_PER_DAY);
#endif
result->day += wholeday; /* could overflow... */
wholemonth = result->day / DAYS_PER_MONTH;
result->day -= wholemonth * DAYS_PER_MONTH;
result->month += wholemonth;
if (result->month > 0 &&
(result->day < 0 || (result->day == 0 && result->time < 0)))
{
result->day += DAYS_PER_MONTH;
result->month--;
}
else if (result->month < 0 &&
(result->day > 0 || (result->day == 0 && result->time > 0)))
{
result->day -= DAYS_PER_MONTH;
result->month++;
}
if (result->day > 0 && result->time < 0)
{
#ifdef HAVE_INT64_TIMESTAMP
result->time += USECS_PER_DAY;
#else
result->time += (double) SECS_PER_DAY;
#endif
result->day--;
}
else if (result->day < 0 && result->time > 0)
{
#ifdef HAVE_INT64_TIMESTAMP
result->time -= USECS_PER_DAY;
#else
result->time -= (double) SECS_PER_DAY;
#endif
result->day++;
}
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_larger | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2882 of file timestamp.c.
References interval_cmp_internal(), PG_GETARG_INTERVAL_P, and PG_RETURN_INTERVAL_P.
{
Interval *interval1 = PG_GETARG_INTERVAL_P(0);
Interval *interval2 = PG_GETARG_INTERVAL_P(1);
Interval *result;
if (interval_cmp_internal(interval1, interval2) > 0)
result = interval1;
else
result = interval2;
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_le | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2233 of file timestamp.c.
References interval_cmp_internal(), PG_GETARG_INTERVAL_P, and PG_RETURN_BOOL.
Referenced by gbt_intvle().
{
Interval *interval1 = PG_GETARG_INTERVAL_P(0);
Interval *interval2 = PG_GETARG_INTERVAL_P(1);
PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) <= 0);
}
| Datum interval_lt | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2215 of file timestamp.c.
References interval_cmp_internal(), PG_GETARG_INTERVAL_P, and PG_RETURN_BOOL.
Referenced by abs_interval(), and gbt_intvlt().
{
Interval *interval1 = PG_GETARG_INTERVAL_P(0);
Interval *interval2 = PG_GETARG_INTERVAL_P(1);
PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) < 0);
}
| Datum interval_mi | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2912 of file timestamp.c.
References Interval::day, Interval::month, palloc(), PG_GETARG_INTERVAL_P, PG_RETURN_INTERVAL_P, and Interval::time.
Referenced by interval_dist().
{
Interval *span1 = PG_GETARG_INTERVAL_P(0);
Interval *span2 = PG_GETARG_INTERVAL_P(1);
Interval *result;
result = (Interval *) palloc(sizeof(Interval));
result->month = span1->month - span2->month;
result->day = span1->day - span2->day;
result->time = span1->time - span2->time;
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_mul | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2934 of file timestamp.c.
References Abs, Interval::day, DAYS_PER_MONTH, Interval::month, palloc(), PG_GETARG_FLOAT8, PG_GETARG_INTERVAL_P, PG_RETURN_INTERVAL_P, rint(), SECS_PER_DAY, Interval::time, TSROUND, and USECS_PER_SEC.
Referenced by mul_d_interval().
{
Interval *span = PG_GETARG_INTERVAL_P(0);
float8 factor = PG_GETARG_FLOAT8(1);
double month_remainder_days,
sec_remainder;
int32 orig_month = span->month,
orig_day = span->day;
Interval *result;
result = (Interval *) palloc(sizeof(Interval));
result->month = (int32) (span->month * factor);
result->day = (int32) (span->day * factor);
/*
* The above correctly handles the whole-number part of the month and day
* products, but we have to do something with any fractional part
* resulting when the factor is nonintegral. We cascade the fractions
* down to lower units using the conversion factors DAYS_PER_MONTH and
* SECS_PER_DAY. Note we do NOT cascade up, since we are not forced to do
* so by the representation. The user can choose to cascade up later,
* using justify_hours and/or justify_days.
*/
/*
* Fractional months full days into days.
*
* Floating point calculation are inherently inprecise, so these
* calculations are crafted to produce the most reliable result possible.
* TSROUND() is needed to more accurately produce whole numbers where
* appropriate.
*/
month_remainder_days = (orig_month * factor - result->month) * DAYS_PER_MONTH;
month_remainder_days = TSROUND(month_remainder_days);
sec_remainder = (orig_day * factor - result->day +
month_remainder_days - (int) month_remainder_days) * SECS_PER_DAY;
sec_remainder = TSROUND(sec_remainder);
/*
* Might have 24:00:00 hours due to rounding, or >24 hours because of time
* cascade from months and days. It might still be >24 if the combination
* of cascade and the seconds factor operation itself.
*/
if (Abs(sec_remainder) >= SECS_PER_DAY)
{
result->day += (int) (sec_remainder / SECS_PER_DAY);
sec_remainder -= (int) (sec_remainder / SECS_PER_DAY) * SECS_PER_DAY;
}
/* cascade units down */
result->day += (int32) month_remainder_days;
#ifdef HAVE_INT64_TIMESTAMP
result->time = rint(span->time * factor + sec_remainder * USECS_PER_SEC);
#else
result->time = span->time * factor + sec_remainder;
#endif
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_ne | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2206 of file timestamp.c.
References interval_cmp_internal(), PG_GETARG_INTERVAL_P, and PG_RETURN_BOOL.
{
Interval *interval1 = PG_GETARG_INTERVAL_P(0);
Interval *interval2 = PG_GETARG_INTERVAL_P(1);
PG_RETURN_BOOL(interval_cmp_internal(interval1, interval2) != 0);
}
| Datum interval_out | ( | PG_FUNCTION_ARGS | ) |
Definition at line 691 of file timestamp.c.
References buf, elog, EncodeInterval(), ERROR, interval2tm(), IntervalStyle, MAXDATELEN, PG_GETARG_INTERVAL_P, PG_RETURN_CSTRING, pstrdup(), and tm.
Referenced by flatten_set_variable_args(), show_timezone(), timestamp_izone(), timestamptz_izone(), and timetz_izone().
{
Interval *span = PG_GETARG_INTERVAL_P(0);
char *result;
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
char buf[MAXDATELEN + 1];
if (interval2tm(*span, tm, &fsec) != 0)
elog(ERROR, "could not convert interval to tm");
EncodeInterval(tm, fsec, IntervalStyle, buf);
result = pstrdup(buf);
PG_RETURN_CSTRING(result);
}
| Datum interval_part | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4390 of file timestamp.c.
References Interval::day, DAYS_PER_MONTH, DAYS_PER_YEAR, DecodeSpecial(), DecodeUnits(), downcase_truncate_identifier(), DTK_CENTURY, DTK_DAY, DTK_DECADE, DTK_EPOCH, DTK_HOUR, DTK_MICROSEC, DTK_MILLENNIUM, DTK_MILLISEC, DTK_MINUTE, DTK_MONTH, DTK_QUARTER, DTK_SECOND, DTK_YEAR, elog, ereport, errcode(), errmsg(), ERROR, interval2tm(), Interval::month, PG_GETARG_INTERVAL_P, PG_GETARG_TEXT_PP, PG_RETURN_FLOAT8, RESERV, SECS_PER_DAY, Interval::time, tm, pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, UNITS, UNKNOWN_FIELD, val, VARDATA_ANY, and VARSIZE_ANY_EXHDR.
{
text *units = PG_GETARG_TEXT_PP(0);
Interval *interval = PG_GETARG_INTERVAL_P(1);
float8 result;
int type,
val;
char *lowunits;
fsec_t fsec;
struct pg_tm tt,
*tm = &tt;
lowunits = downcase_truncate_identifier(VARDATA_ANY(units),
VARSIZE_ANY_EXHDR(units),
false);
type = DecodeUnits(0, lowunits, &val);
if (type == UNKNOWN_FIELD)
type = DecodeSpecial(0, lowunits, &val);
if (type == UNITS)
{
if (interval2tm(*interval, tm, &fsec) == 0)
{
switch (val)
{
case DTK_MICROSEC:
#ifdef HAVE_INT64_TIMESTAMP
result = tm->tm_sec * 1000000.0 + fsec;
#else
result = (tm->tm_sec + fsec) * 1000000;
#endif
break;
case DTK_MILLISEC:
#ifdef HAVE_INT64_TIMESTAMP
result = tm->tm_sec * 1000.0 + fsec / 1000.0;
#else
result = (tm->tm_sec + fsec) * 1000;
#endif
break;
case DTK_SECOND:
#ifdef HAVE_INT64_TIMESTAMP
result = tm->tm_sec + fsec / 1000000.0;
#else
result = tm->tm_sec + fsec;
#endif
break;
case DTK_MINUTE:
result = tm->tm_min;
break;
case DTK_HOUR:
result = tm->tm_hour;
break;
case DTK_DAY:
result = tm->tm_mday;
break;
case DTK_MONTH:
result = tm->tm_mon;
break;
case DTK_QUARTER:
result = (tm->tm_mon / 3) + 1;
break;
case DTK_YEAR:
result = tm->tm_year;
break;
case DTK_DECADE:
/* caution: C division may have negative remainder */
result = tm->tm_year / 10;
break;
case DTK_CENTURY:
/* caution: C division may have negative remainder */
result = tm->tm_year / 100;
break;
case DTK_MILLENNIUM:
/* caution: C division may have negative remainder */
result = tm->tm_year / 1000;
break;
default:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("interval units \"%s\" not supported",
lowunits)));
result = 0;
}
}
else
{
elog(ERROR, "could not convert interval to tm");
result = 0;
}
}
else if (type == RESERV && val == DTK_EPOCH)
{
#ifdef HAVE_INT64_TIMESTAMP
result = interval->time / 1000000.0;
#else
result = interval->time;
#endif
result += ((double) DAYS_PER_YEAR * SECS_PER_DAY) * (interval->month / MONTHS_PER_YEAR);
result += ((double) DAYS_PER_MONTH * SECS_PER_DAY) * (interval->month % MONTHS_PER_YEAR);
result += ((double) SECS_PER_DAY) * interval->day;
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("interval units \"%s\" not recognized",
lowunits)));
result = 0;
}
PG_RETURN_FLOAT8(result);
}
| Datum interval_pl | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2896 of file timestamp.c.
References Interval::day, Interval::month, palloc(), PG_GETARG_INTERVAL_P, PG_RETURN_INTERVAL_P, and Interval::time.
Referenced by interval_accum().
{
Interval *span1 = PG_GETARG_INTERVAL_P(0);
Interval *span2 = PG_GETARG_INTERVAL_P(1);
Interval *result;
result = (Interval *) palloc(sizeof(Interval));
result->month = span1->month + span2->month;
result->day = span1->day + span2->day;
result->time = span1->time + span2->time;
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_recv | ( | PG_FUNCTION_ARGS | ) |
Definition at line 713 of file timestamp.c.
References AdjustIntervalForTypmod(), buf, Interval::day, Interval::month, palloc(), PG_GETARG_INT32, PG_GETARG_OID, PG_GETARG_POINTER, PG_RETURN_INTERVAL_P, pq_getmsgfloat8(), pq_getmsgint(), pq_getmsgint64(), and Interval::time.
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
#ifdef NOT_USED
Oid typelem = PG_GETARG_OID(1);
#endif
int32 typmod = PG_GETARG_INT32(2);
Interval *interval;
interval = (Interval *) palloc(sizeof(Interval));
#ifdef HAVE_INT64_TIMESTAMP
interval->time = pq_getmsgint64(buf);
#else
interval->time = pq_getmsgfloat8(buf);
#endif
interval->day = pq_getmsgint(buf, sizeof(interval->day));
interval->month = pq_getmsgint(buf, sizeof(interval->month));
AdjustIntervalForTypmod(interval, typmod);
PG_RETURN_INTERVAL_P(interval);
}
| Datum interval_scale | ( | PG_FUNCTION_ARGS | ) |
Definition at line 990 of file timestamp.c.
References AdjustIntervalForTypmod(), palloc(), PG_GETARG_INT32, PG_GETARG_INTERVAL_P, and PG_RETURN_INTERVAL_P.
{
Interval *interval = PG_GETARG_INTERVAL_P(0);
int32 typmod = PG_GETARG_INT32(1);
Interval *result;
result = palloc(sizeof(Interval));
*result = *interval;
AdjustIntervalForTypmod(result, typmod);
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_send | ( | PG_FUNCTION_ARGS | ) |
Definition at line 742 of file timestamp.c.
References buf, Interval::day, Interval::month, PG_GETARG_INTERVAL_P, PG_RETURN_BYTEA_P, pq_begintypsend(), pq_endtypsend(), pq_sendfloat8(), pq_sendint(), pq_sendint64(), and Interval::time.
{
Interval *interval = PG_GETARG_INTERVAL_P(0);
StringInfoData buf;
pq_begintypsend(&buf);
#ifdef HAVE_INT64_TIMESTAMP
pq_sendint64(&buf, interval->time);
#else
pq_sendfloat8(&buf, interval->time);
#endif
pq_sendint(&buf, interval->day, sizeof(interval->day));
pq_sendint(&buf, interval->month, sizeof(interval->month));
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
| Datum interval_smaller | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2867 of file timestamp.c.
References interval_cmp_internal(), PG_GETARG_INTERVAL_P, and PG_RETURN_INTERVAL_P.
{
Interval *interval1 = PG_GETARG_INTERVAL_P(0);
Interval *interval2 = PG_GETARG_INTERVAL_P(1);
Interval *result;
/* use interval_cmp_internal to be sure this agrees with comparisons */
if (interval_cmp_internal(interval1, interval2) < 0)
result = interval1;
else
result = interval2;
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_transform | ( | PG_FUNCTION_ARGS | ) |
Definition at line 932 of file timestamp.c.
References FuncExpr::args, Assert, DatumGetInt32, exprTypmod(), fls(), INTERVAL_PRECISION, INTERVAL_RANGE, IsA, linitial, list_length(), lsecond, MAX_INTERVAL_PRECISION, PG_GETARG_POINTER, PG_RETURN_POINTER, relabel_to_typmod(), and SECOND.
{
FuncExpr *expr = (FuncExpr *) PG_GETARG_POINTER(0);
Node *ret = NULL;
Node *typmod;
Assert(IsA(expr, FuncExpr));
Assert(list_length(expr->args) >= 2);
typmod = (Node *) lsecond(expr->args);
if (IsA(typmod, Const) &&!((Const *) typmod)->constisnull)
{
Node *source = (Node *) linitial(expr->args);
int32 old_typmod = exprTypmod(source);
int32 new_typmod = DatumGetInt32(((Const *) typmod)->constvalue);
int old_range;
int old_precis;
int new_range = INTERVAL_RANGE(new_typmod);
int new_precis = INTERVAL_PRECISION(new_typmod);
int new_range_fls;
int old_range_fls;
if (old_typmod < 0)
{
old_range = INTERVAL_FULL_RANGE;
old_precis = INTERVAL_FULL_PRECISION;
}
else
{
old_range = INTERVAL_RANGE(old_typmod);
old_precis = INTERVAL_PRECISION(old_typmod);
}
/*
* Temporally-smaller fields occupy higher positions in the range
* bitmap. Since only the temporally-smallest bit matters for length
* coercion purposes, we compare the last-set bits in the ranges.
* Precision, which is to say, sub-second precision, only affects
* ranges that include SECOND.
*/
new_range_fls = fls(new_range);
old_range_fls = fls(old_range);
if (new_typmod < 0 ||
((new_range_fls >= SECOND || new_range_fls >= old_range_fls) &&
(old_range_fls < SECOND || new_precis >= MAX_INTERVAL_PRECISION ||
new_precis >= old_precis)))
ret = relabel_to_typmod(source, new_typmod);
}
PG_RETURN_POINTER(ret);
}
| Datum interval_trunc | ( | PG_FUNCTION_ARGS | ) |
Definition at line 3692 of file timestamp.c.
References DecodeUnits(), downcase_truncate_identifier(), DTK_CENTURY, DTK_DAY, DTK_DECADE, DTK_HOUR, DTK_MICROSEC, DTK_MILLENNIUM, DTK_MILLISEC, DTK_MINUTE, DTK_MONTH, DTK_QUARTER, DTK_SECOND, DTK_WEEK, DTK_YEAR, elog, ereport, errcode(), errmsg(), ERROR, interval2tm(), palloc(), PG_GETARG_INTERVAL_P, PG_GETARG_TEXT_PP, PG_RETURN_INTERVAL_P, tm, tm2interval(), pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, UNITS, val, VARDATA_ANY, and VARSIZE_ANY_EXHDR.
{
text *units = PG_GETARG_TEXT_PP(0);
Interval *interval = PG_GETARG_INTERVAL_P(1);
Interval *result;
int type,
val;
char *lowunits;
fsec_t fsec;
struct pg_tm tt,
*tm = &tt;
result = (Interval *) palloc(sizeof(Interval));
lowunits = downcase_truncate_identifier(VARDATA_ANY(units),
VARSIZE_ANY_EXHDR(units),
false);
type = DecodeUnits(0, lowunits, &val);
if (type == UNITS)
{
if (interval2tm(*interval, tm, &fsec) == 0)
{
switch (val)
{
/* fall through */
case DTK_MILLENNIUM:
/* caution: C division may have negative remainder */
tm->tm_year = (tm->tm_year / 1000) * 1000;
case DTK_CENTURY:
/* caution: C division may have negative remainder */
tm->tm_year = (tm->tm_year / 100) * 100;
case DTK_DECADE:
/* caution: C division may have negative remainder */
tm->tm_year = (tm->tm_year / 10) * 10;
case DTK_YEAR:
tm->tm_mon = 0;
case DTK_QUARTER:
tm->tm_mon = 3 * (tm->tm_mon / 3);
case DTK_MONTH:
tm->tm_mday = 0;
case DTK_DAY:
tm->tm_hour = 0;
case DTK_HOUR:
tm->tm_min = 0;
case DTK_MINUTE:
tm->tm_sec = 0;
case DTK_SECOND:
fsec = 0;
break;
case DTK_MILLISEC:
#ifdef HAVE_INT64_TIMESTAMP
fsec = (fsec / 1000) * 1000;
#else
fsec = floor(fsec * 1000) / 1000;
#endif
break;
case DTK_MICROSEC:
#ifndef HAVE_INT64_TIMESTAMP
fsec = floor(fsec * 1000000) / 1000000;
#endif
break;
default:
if (val == DTK_WEEK)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("interval units \"%s\" not supported "
"because months usually have fractional weeks",
lowunits)));
else
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("interval units \"%s\" not supported",
lowunits)));
}
if (tm2interval(tm, fsec, result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("interval out of range")));
}
else
elog(ERROR, "could not convert interval to tm");
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("interval units \"%s\" not recognized",
lowunits)));
}
PG_RETURN_INTERVAL_P(result);
}
| Datum interval_um | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2851 of file timestamp.c.
References Interval::day, Interval::month, palloc(), PG_GETARG_INTERVAL_P, PG_RETURN_INTERVAL_P, and Interval::time.
Referenced by abs_interval().
| Datum intervaltypmodin | ( | PG_FUNCTION_ARGS | ) |
Definition at line 771 of file timestamp.c.
References ArrayGetIntegerTypmods(), DAY, ereport, errcode(), errmsg(), ERROR, HOUR, INTERVAL_FULL_PRECISION, INTERVAL_FULL_RANGE, INTERVAL_MASK, INTERVAL_TYPMOD, MAX_INTERVAL_PRECISION, MINUTE, MONTH, PG_GETARG_ARRAYTYPE_P, PG_RETURN_INT32, SECOND, WARNING, and YEAR.
{
ArrayType *ta = PG_GETARG_ARRAYTYPE_P(0);
int32 *tl;
int n;
int32 typmod;
tl = ArrayGetIntegerTypmods(ta, &n);
/*
* tl[0] - interval range (fields bitmask) tl[1] - precision (optional)
*
* Note we must validate tl[0] even though it's normally guaranteed
* correct by the grammar --- consider SELECT 'foo'::"interval"(1000).
*/
if (n > 0)
{
switch (tl[0])
{
case INTERVAL_MASK(YEAR):
case INTERVAL_MASK(MONTH):
case INTERVAL_MASK(DAY):
case INTERVAL_MASK(HOUR):
case INTERVAL_MASK(MINUTE):
case INTERVAL_MASK(SECOND):
case INTERVAL_MASK(YEAR) | INTERVAL_MASK(MONTH):
case INTERVAL_MASK(DAY) | INTERVAL_MASK(HOUR):
case INTERVAL_MASK(DAY) | INTERVAL_MASK(HOUR) | INTERVAL_MASK(MINUTE):
case INTERVAL_MASK(DAY) | INTERVAL_MASK(HOUR) | INTERVAL_MASK(MINUTE) | INTERVAL_MASK(SECOND):
case INTERVAL_MASK(HOUR) | INTERVAL_MASK(MINUTE):
case INTERVAL_MASK(HOUR) | INTERVAL_MASK(MINUTE) | INTERVAL_MASK(SECOND):
case INTERVAL_MASK(MINUTE) | INTERVAL_MASK(SECOND):
case INTERVAL_FULL_RANGE:
/* all OK */
break;
default:
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid INTERVAL type modifier")));
}
}
if (n == 1)
{
if (tl[0] != INTERVAL_FULL_RANGE)
typmod = INTERVAL_TYPMOD(INTERVAL_FULL_PRECISION, tl[0]);
else
typmod = -1;
}
else if (n == 2)
{
if (tl[1] < 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("INTERVAL(%d) precision must not be negative",
tl[1])));
if (tl[1] > MAX_INTERVAL_PRECISION)
{
ereport(WARNING,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("INTERVAL(%d) precision reduced to maximum allowed, %d",
tl[1], MAX_INTERVAL_PRECISION)));
typmod = INTERVAL_TYPMOD(MAX_INTERVAL_PRECISION, tl[0]);
}
else
typmod = INTERVAL_TYPMOD(tl[1], tl[0]);
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid INTERVAL type modifier")));
typmod = 0; /* keep compiler quiet */
}
PG_RETURN_INT32(typmod);
}
| Datum intervaltypmodout | ( | PG_FUNCTION_ARGS | ) |
Definition at line 850 of file timestamp.c.
References DAY, elog, ERROR, HOUR, INTERVAL_FULL_PRECISION, INTERVAL_FULL_RANGE, INTERVAL_MASK, INTERVAL_PRECISION, INTERVAL_RANGE, MINUTE, MONTH, palloc(), PG_GETARG_INT32, PG_RETURN_CSTRING, SECOND, snprintf(), and YEAR.
{
int32 typmod = PG_GETARG_INT32(0);
char *res = (char *) palloc(64);
int fields;
int precision;
const char *fieldstr;
if (typmod < 0)
{
*res = '\0';
PG_RETURN_CSTRING(res);
}
fields = INTERVAL_RANGE(typmod);
precision = INTERVAL_PRECISION(typmod);
switch (fields)
{
case INTERVAL_MASK(YEAR):
fieldstr = " year";
break;
case INTERVAL_MASK(MONTH):
fieldstr = " month";
break;
case INTERVAL_MASK(DAY):
fieldstr = " day";
break;
case INTERVAL_MASK(HOUR):
fieldstr = " hour";
break;
case INTERVAL_MASK(MINUTE):
fieldstr = " minute";
break;
case INTERVAL_MASK(SECOND):
fieldstr = " second";
break;
case INTERVAL_MASK(YEAR) | INTERVAL_MASK(MONTH):
fieldstr = " year to month";
break;
case INTERVAL_MASK(DAY) | INTERVAL_MASK(HOUR):
fieldstr = " day to hour";
break;
case INTERVAL_MASK(DAY) | INTERVAL_MASK(HOUR) | INTERVAL_MASK(MINUTE):
fieldstr = " day to minute";
break;
case INTERVAL_MASK(DAY) | INTERVAL_MASK(HOUR) | INTERVAL_MASK(MINUTE) | INTERVAL_MASK(SECOND):
fieldstr = " day to second";
break;
case INTERVAL_MASK(HOUR) | INTERVAL_MASK(MINUTE):
fieldstr = " hour to minute";
break;
case INTERVAL_MASK(HOUR) | INTERVAL_MASK(MINUTE) | INTERVAL_MASK(SECOND):
fieldstr = " hour to second";
break;
case INTERVAL_MASK(MINUTE) | INTERVAL_MASK(SECOND):
fieldstr = " minute to second";
break;
case INTERVAL_FULL_RANGE:
fieldstr = "";
break;
default:
elog(ERROR, "invalid INTERVAL typmod: 0x%x", typmod);
fieldstr = "";
break;
}
if (precision != INTERVAL_FULL_PRECISION)
snprintf(res, 64, "%s(%d)", fieldstr, precision);
else
snprintf(res, 64, "%s", fieldstr);
PG_RETURN_CSTRING(res);
}
| void isoweek2date | ( | int | woy, | |
| int * | year, | |||
| int * | mon, | |||
| int * | mday | |||
| ) |
Definition at line 3816 of file timestamp.c.
References isoweek2j(), and j2date().
Referenced by do_to_timestamp(), timestamp_trunc(), and timestamptz_trunc().
| int isoweek2j | ( | int | year, | |
| int | week | |||
| ) |
Definition at line 3796 of file timestamp.c.
References date2j(), and j2day().
Referenced by date2isoyearday(), do_to_timestamp(), isoweek2date(), and isoweekdate2date().
| void isoweekdate2date | ( | int | isoweek, | |
| int | wday, | |||
| int * | year, | |||
| int * | mon, | |||
| int * | mday | |||
| ) |
Definition at line 3829 of file timestamp.c.
References isoweek2j(), and j2date().
Referenced by do_to_timestamp().
| Datum mul_d_interval | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2996 of file timestamp.c.
References DirectFunctionCall2, interval_mul(), and PG_GETARG_DATUM.
{
/* Args are float8 and Interval *, but leave them as generic Datum */
Datum factor = PG_GETARG_DATUM(0);
Datum span = PG_GETARG_DATUM(1);
return DirectFunctionCall2(interval_mul, span, factor);
}
| Datum now | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1233 of file timestamp.c.
References GetCurrentTransactionStartTimestamp(), and PG_RETURN_TIMESTAMPTZ.
Referenced by dumpTimestamp(), handle_sig_alarm(), pqSocketPoll(), RequestXLogStreaming(), StartOneBackgroundWorker(), timetz_zone(), WalRcvRunning(), WalRcvStreaming(), WalReceiverMain(), and xid_age().
| Datum overlaps_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2286 of file timestamp.c.
References PG_ARGISNULL, PG_GETARG_DATUM, PG_RETURN_BOOL, PG_RETURN_NULL, TIMESTAMP_GT, and TIMESTAMP_LT.
{
/*
* The arguments are Timestamps, but we leave them as generic Datums to
* avoid unnecessary conversions between value and reference forms --- not
* to mention possible dereferences of null pointers.
*/
Datum ts1 = PG_GETARG_DATUM(0);
Datum te1 = PG_GETARG_DATUM(1);
Datum ts2 = PG_GETARG_DATUM(2);
Datum te2 = PG_GETARG_DATUM(3);
bool ts1IsNull = PG_ARGISNULL(0);
bool te1IsNull = PG_ARGISNULL(1);
bool ts2IsNull = PG_ARGISNULL(2);
bool te2IsNull = PG_ARGISNULL(3);
#define TIMESTAMP_GT(t1,t2) \
DatumGetBool(DirectFunctionCall2(timestamp_gt,t1,t2))
#define TIMESTAMP_LT(t1,t2) \
DatumGetBool(DirectFunctionCall2(timestamp_lt,t1,t2))
/*
* If both endpoints of interval 1 are null, the result is null (unknown).
* If just one endpoint is null, take ts1 as the non-null one. Otherwise,
* take ts1 as the lesser endpoint.
*/
if (ts1IsNull)
{
if (te1IsNull)
PG_RETURN_NULL();
/* swap null for non-null */
ts1 = te1;
te1IsNull = true;
}
else if (!te1IsNull)
{
if (TIMESTAMP_GT(ts1, te1))
{
Datum tt = ts1;
ts1 = te1;
te1 = tt;
}
}
/* Likewise for interval 2. */
if (ts2IsNull)
{
if (te2IsNull)
PG_RETURN_NULL();
/* swap null for non-null */
ts2 = te2;
te2IsNull = true;
}
else if (!te2IsNull)
{
if (TIMESTAMP_GT(ts2, te2))
{
Datum tt = ts2;
ts2 = te2;
te2 = tt;
}
}
/*
* At this point neither ts1 nor ts2 is null, so we can consider three
* cases: ts1 > ts2, ts1 < ts2, ts1 = ts2
*/
if (TIMESTAMP_GT(ts1, ts2))
{
/*
* This case is ts1 < te2 OR te1 < te2, which may look redundant but
* in the presence of nulls it's not quite completely so.
*/
if (te2IsNull)
PG_RETURN_NULL();
if (TIMESTAMP_LT(ts1, te2))
PG_RETURN_BOOL(true);
if (te1IsNull)
PG_RETURN_NULL();
/*
* If te1 is not null then we had ts1 <= te1 above, and we just found
* ts1 >= te2, hence te1 >= te2.
*/
PG_RETURN_BOOL(false);
}
else if (TIMESTAMP_LT(ts1, ts2))
{
/* This case is ts2 < te1 OR te2 < te1 */
if (te1IsNull)
PG_RETURN_NULL();
if (TIMESTAMP_LT(ts2, te1))
PG_RETURN_BOOL(true);
if (te2IsNull)
PG_RETURN_NULL();
/*
* If te2 is not null then we had ts2 <= te2 above, and we just found
* ts2 >= te1, hence te2 >= te1.
*/
PG_RETURN_BOOL(false);
}
else
{
/*
* For ts1 = ts2 the spec says te1 <> te2 OR te1 = te2, which is a
* rather silly way of saying "true if both are nonnull, else null".
*/
if (te1IsNull || te2IsNull)
PG_RETURN_NULL();
PG_RETURN_BOOL(true);
}
#undef TIMESTAMP_GT
#undef TIMESTAMP_LT
}
| Datum pg_conf_load_time | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1257 of file timestamp.c.
References PG_RETURN_TIMESTAMPTZ, and PgReloadTime.
| Datum pg_postmaster_start_time | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1251 of file timestamp.c.
References PG_RETURN_TIMESTAMPTZ, and PgStartTime.
| Timestamp SetEpochTimestamp | ( | void | ) |
Definition at line 1839 of file timestamp.c.
References GetEpochTime(), NULL, tm, and tm2timestamp().
Referenced by dttofmtasc_replace(), PGTYPEStimestamp_from_asc(), timestamp_in(), timestamp_part(), timestamptz_in(), and timestamptz_part().
{
Timestamp dt;
struct pg_tm tt,
*tm = &tt;
GetEpochTime(tm);
/* we don't bother to test for failure ... */
tm2timestamp(tm, 0, NULL, &dt);
return dt;
} /* SetEpochTimestamp() */
| Datum statement_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1239 of file timestamp.c.
References GetCurrentStatementStartTimestamp(), and PG_RETURN_TIMESTAMPTZ.
| static TimeOffset time2t | ( | const int | hour, | |
| const int | min, | |||
| const int | sec, | |||
| const fsec_t | fsec | |||
| ) | [static] |
Definition at line 1774 of file timestamp.c.
References MINS_PER_HOUR, SECS_PER_MINUTE, and USECS_PER_SEC.
Referenced by tm2timestamp().
{
#ifdef HAVE_INT64_TIMESTAMP
return (((((hour * MINS_PER_HOUR) + min) * SECS_PER_MINUTE) + sec) * USECS_PER_SEC) + fsec;
#else
return (((hour * MINS_PER_HOUR) + min) * SECS_PER_MINUTE) + sec + fsec;
#endif
}
| TimestampTz time_t_to_timestamptz | ( | pg_time_t | tm | ) |
Definition at line 1399 of file timestamp.c.
References POSTGRES_EPOCH_JDATE, and UNIX_EPOCH_JDATE.
Referenced by pg_stat_file().
{
TimestampTz result;
result = (TimestampTz) tm -
((POSTGRES_EPOCH_JDATE - UNIX_EPOCH_JDATE) * SECS_PER_DAY);
#ifdef HAVE_INT64_TIMESTAMP
result *= USECS_PER_SEC;
#endif
return result;
}
| static TimestampTz timestamp2timestamptz | ( | Timestamp | timestamp | ) | [static] |
Definition at line 4638 of file timestamp.c.
References DetermineTimeZoneOffset(), ereport, errcode(), errmsg(), ERROR, NULL, session_timezone, timestamp2tm(), TIMESTAMP_NOT_FINITE, tm, and tm2timestamp().
Referenced by timestamp_cmp_timestamptz(), timestamp_eq_timestamptz(), timestamp_ge_timestamptz(), timestamp_gt_timestamptz(), timestamp_le_timestamptz(), timestamp_lt_timestamptz(), timestamp_ne_timestamptz(), timestamp_timestamptz(), timestamptz_cmp_timestamp(), timestamptz_eq_timestamp(), timestamptz_ge_timestamp(), timestamptz_gt_timestamp(), timestamptz_le_timestamp(), timestamptz_lt_timestamp(), and timestamptz_ne_timestamp().
{
TimestampTz result;
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
int tz;
if (TIMESTAMP_NOT_FINITE(timestamp))
result = timestamp;
else
{
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
tz = DetermineTimeZoneOffset(tm, session_timezone);
if (tm2timestamp(tm, fsec, &tz, &result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
}
return result;
}
| int timestamp2tm | ( | Timestamp | dt, | |
| int * | tzp, | |||
| struct pg_tm * | tm, | |||
| fsec_t * | fsec, | |||
| const char ** | tzn, | |||
| pg_tz * | attimezone | |||
| ) |
Definition at line 1505 of file timestamp.c.
References CTimeZone, dt2time(), HasCTZSet, INT64CONST, j2date(), NULL, pg_localtime(), POSTGRES_EPOCH_JDATE, rint(), SECS_PER_DAY, session_timezone, pg_tm::tm_gmtoff, pg_tm::tm_hour, pg_tm::tm_isdst, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, pg_tm::tm_zone, TMODULO, TSROUND, UNIX_EPOCH_JDATE, USECS_PER_DAY, and USECS_PER_SEC.
Referenced by GetCurrentDateTime(), GetCurrentTimeUsec(), map_sql_value_to_xml_value(), pg_timezone_names(), PGTYPEStimestamp_add_interval(), PGTYPEStimestamp_fmt_asc(), PGTYPEStimestamp_to_asc(), timestamp2timestamptz(), timestamp_abstime(), timestamp_age(), timestamp_date(), timestamp_out(), timestamp_part(), timestamp_pl_interval(), timestamp_recv(), timestamp_time(), timestamp_to_char(), timestamp_trunc(), timestamp_zone(), timestamptz_abstime(), timestamptz_age(), timestamptz_date(), timestamptz_out(), timestamptz_part(), timestamptz_pl_interval(), timestamptz_recv(), timestamptz_time(), timestamptz_timestamp(), timestamptz_timetz(), timestamptz_to_char(), timestamptz_to_str(), timestamptz_trunc(), and timestamptz_zone().
{
Timestamp date;
Timestamp time;
pg_time_t utime;
/*
* If HasCTZSet is true then we have a brute force time zone specified. Go
* ahead and rotate to the local time zone since we will later bypass any
* calls which adjust the tm fields.
*/
if (attimezone == NULL && HasCTZSet && tzp != NULL)
{
#ifdef HAVE_INT64_TIMESTAMP
dt -= CTimeZone * USECS_PER_SEC;
#else
dt -= CTimeZone;
#endif
}
#ifdef HAVE_INT64_TIMESTAMP
time = dt;
TMODULO(time, date, USECS_PER_DAY);
if (time < INT64CONST(0))
{
time += USECS_PER_DAY;
date -= 1;
}
/* add offset to go from J2000 back to standard Julian date */
date += POSTGRES_EPOCH_JDATE;
/* Julian day routine does not work for negative Julian days */
if (date < 0 || date > (Timestamp) INT_MAX)
return -1;
j2date((int) date, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
dt2time(time, &tm->tm_hour, &tm->tm_min, &tm->tm_sec, fsec);
#else
time = dt;
TMODULO(time, date, (double) SECS_PER_DAY);
if (time < 0)
{
time += SECS_PER_DAY;
date -= 1;
}
/* add offset to go from J2000 back to standard Julian date */
date += POSTGRES_EPOCH_JDATE;
recalc_d:
/* Julian day routine does not work for negative Julian days */
if (date < 0 || date > (Timestamp) INT_MAX)
return -1;
j2date((int) date, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
recalc_t:
dt2time(time, &tm->tm_hour, &tm->tm_min, &tm->tm_sec, fsec);
*fsec = TSROUND(*fsec);
/* roundoff may need to propagate to higher-order fields */
if (*fsec >= 1.0)
{
time = ceil(time);
if (time >= (double) SECS_PER_DAY)
{
time = 0;
date += 1;
goto recalc_d;
}
goto recalc_t;
}
#endif
/* Done if no TZ conversion wanted */
if (tzp == NULL)
{
tm->tm_isdst = -1;
tm->tm_gmtoff = 0;
tm->tm_zone = NULL;
if (tzn != NULL)
*tzn = NULL;
return 0;
}
/*
* We have a brute force time zone per SQL99? Then use it without change
* since we have already rotated to the time zone.
*/
if (attimezone == NULL && HasCTZSet)
{
*tzp = CTimeZone;
tm->tm_isdst = 0;
tm->tm_gmtoff = CTimeZone;
tm->tm_zone = NULL;
if (tzn != NULL)
*tzn = NULL;
return 0;
}
/*
* If the time falls within the range of pg_time_t, use pg_localtime() to
* rotate to the local time zone.
*
* First, convert to an integral timestamp, avoiding possibly
* platform-specific roundoff-in-wrong-direction errors, and adjust to
* Unix epoch. Then see if we can convert to pg_time_t without loss. This
* coding avoids hardwiring any assumptions about the width of pg_time_t,
* so it should behave sanely on machines without int64.
*/
#ifdef HAVE_INT64_TIMESTAMP
dt = (dt - *fsec) / USECS_PER_SEC +
(POSTGRES_EPOCH_JDATE - UNIX_EPOCH_JDATE) * SECS_PER_DAY;
#else
dt = rint(dt - *fsec +
(POSTGRES_EPOCH_JDATE - UNIX_EPOCH_JDATE) * SECS_PER_DAY);
#endif
utime = (pg_time_t) dt;
if ((Timestamp) utime == dt)
{
struct pg_tm *tx = pg_localtime(&utime,
attimezone ? attimezone : session_timezone);
tm->tm_year = tx->tm_year + 1900;
tm->tm_mon = tx->tm_mon + 1;
tm->tm_mday = tx->tm_mday;
tm->tm_hour = tx->tm_hour;
tm->tm_min = tx->tm_min;
tm->tm_sec = tx->tm_sec;
tm->tm_isdst = tx->tm_isdst;
tm->tm_gmtoff = tx->tm_gmtoff;
tm->tm_zone = tx->tm_zone;
*tzp = -tm->tm_gmtoff;
if (tzn != NULL)
*tzn = tm->tm_zone;
}
else
{
/*
* When out of range of pg_time_t, treat as GMT
*/
*tzp = 0;
/* Mark this as *no* time zone available */
tm->tm_isdst = -1;
tm->tm_gmtoff = 0;
tm->tm_zone = NULL;
if (tzn != NULL)
*tzn = NULL;
}
return 0;
}
| Datum timestamp_age | ( | PG_FUNCTION_ARGS | ) |
Definition at line 3149 of file timestamp.c.
References day_tab, ereport, errcode(), errmsg(), ERROR, isleap, NULL, palloc(), PG_GETARG_TIMESTAMP, PG_RETURN_INTERVAL_P, timestamp2tm(), tm, tm2interval(), pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, and pg_tm::tm_year.
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
Interval *result;
fsec_t fsec,
fsec1,
fsec2;
struct pg_tm tt,
*tm = &tt;
struct pg_tm tt1,
*tm1 = &tt1;
struct pg_tm tt2,
*tm2 = &tt2;
result = (Interval *) palloc(sizeof(Interval));
if (timestamp2tm(dt1, NULL, tm1, &fsec1, NULL, NULL) == 0 &&
timestamp2tm(dt2, NULL, tm2, &fsec2, NULL, NULL) == 0)
{
/* form the symbolic difference */
fsec = fsec1 - fsec2;
tm->tm_sec = tm1->tm_sec - tm2->tm_sec;
tm->tm_min = tm1->tm_min - tm2->tm_min;
tm->tm_hour = tm1->tm_hour - tm2->tm_hour;
tm->tm_mday = tm1->tm_mday - tm2->tm_mday;
tm->tm_mon = tm1->tm_mon - tm2->tm_mon;
tm->tm_year = tm1->tm_year - tm2->tm_year;
/* flip sign if necessary... */
if (dt1 < dt2)
{
fsec = -fsec;
tm->tm_sec = -tm->tm_sec;
tm->tm_min = -tm->tm_min;
tm->tm_hour = -tm->tm_hour;
tm->tm_mday = -tm->tm_mday;
tm->tm_mon = -tm->tm_mon;
tm->tm_year = -tm->tm_year;
}
/* propagate any negative fields into the next higher field */
while (fsec < 0)
{
#ifdef HAVE_INT64_TIMESTAMP
fsec += USECS_PER_SEC;
#else
fsec += 1.0;
#endif
tm->tm_sec--;
}
while (tm->tm_sec < 0)
{
tm->tm_sec += SECS_PER_MINUTE;
tm->tm_min--;
}
while (tm->tm_min < 0)
{
tm->tm_min += MINS_PER_HOUR;
tm->tm_hour--;
}
while (tm->tm_hour < 0)
{
tm->tm_hour += HOURS_PER_DAY;
tm->tm_mday--;
}
while (tm->tm_mday < 0)
{
if (dt1 < dt2)
{
tm->tm_mday += day_tab[isleap(tm1->tm_year)][tm1->tm_mon - 1];
tm->tm_mon--;
}
else
{
tm->tm_mday += day_tab[isleap(tm2->tm_year)][tm2->tm_mon - 1];
tm->tm_mon--;
}
}
while (tm->tm_mon < 0)
{
tm->tm_mon += MONTHS_PER_YEAR;
tm->tm_year--;
}
/* recover sign if necessary... */
if (dt1 < dt2)
{
fsec = -fsec;
tm->tm_sec = -tm->tm_sec;
tm->tm_min = -tm->tm_min;
tm->tm_hour = -tm->tm_hour;
tm->tm_mday = -tm->tm_mday;
tm->tm_mon = -tm->tm_mon;
tm->tm_year = -tm->tm_year;
}
if (tm2interval(tm, fsec, result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("interval out of range")));
}
else
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
PG_RETURN_INTERVAL_P(result);
}
| Datum timestamp_cmp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1952 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_INT32, and timestamp_cmp_internal().
Referenced by gbt_tskey_cmp().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
PG_RETURN_INT32(timestamp_cmp_internal(dt1, dt2));
}
Definition at line 1861 of file timestamp.c.
Referenced by date_cmp_timestamp(), date_eq_timestamp(), date_ge_timestamp(), date_gt_timestamp(), date_le_timestamp(), date_lt_timestamp(), date_ne_timestamp(), generate_series_timestamp(), generate_series_timestamptz(), timestamp_cmp(), timestamp_cmp_date(), timestamp_cmp_timestamptz(), timestamp_eq(), timestamp_eq_date(), timestamp_eq_timestamptz(), timestamp_fastcmp(), timestamp_ge(), timestamp_ge_date(), timestamp_ge_timestamptz(), timestamp_gt(), timestamp_gt_date(), timestamp_gt_timestamptz(), timestamp_larger(), timestamp_le(), timestamp_le_date(), timestamp_le_timestamptz(), timestamp_lt(), timestamp_lt_date(), timestamp_lt_timestamptz(), timestamp_ne(), timestamp_ne_date(), timestamp_ne_timestamptz(), timestamp_smaller(), timestamptz_cmp_timestamp(), timestamptz_eq_timestamp(), timestamptz_ge_timestamp(), timestamptz_gt_timestamp(), timestamptz_le_timestamp(), timestamptz_lt_timestamp(), and timestamptz_ne_timestamp().
{
#ifdef HAVE_INT64_TIMESTAMP
return (dt1 < dt2) ? -1 : ((dt1 > dt2) ? 1 : 0);
#else
/*
* When using float representation, we have to be wary of NaNs.
*
* We consider all NANs to be equal and larger than any non-NAN. This is
* somewhat arbitrary; the important thing is to have a consistent sort
* order.
*/
if (isnan(dt1))
{
if (isnan(dt2))
return 0; /* NAN = NAN */
else
return 1; /* NAN > non-NAN */
}
else if (isnan(dt2))
{
return -1; /* non-NAN < NAN */
}
else
{
if (dt1 > dt2)
return 1;
else if (dt1 < dt2)
return -1;
else
return 0;
}
#endif
}
| Datum timestamp_cmp_timestamptz | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2068 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_INT32, timestamp2timestamptz(), and timestamp_cmp_internal().
{
Timestamp timestampVal = PG_GETARG_TIMESTAMP(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMPTZ(1);
TimestampTz dt1;
dt1 = timestamp2timestamptz(timestampVal);
PG_RETURN_INT32(timestamp_cmp_internal(dt1, dt2));
}
| Datum timestamp_eq | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1898 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_BOOL, and timestamp_cmp_internal().
Referenced by gbt_tseq().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) == 0);
}
| Datum timestamp_eq_timestamptz | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1996 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
Timestamp timestampVal = PG_GETARG_TIMESTAMP(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMPTZ(1);
TimestampTz dt1;
dt1 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) == 0);
}
| static int timestamp_fastcmp | ( | Datum | x, | |
| Datum | y, | |||
| SortSupport | ssup | |||
| ) | [static] |
Definition at line 1962 of file timestamp.c.
References DatumGetTimestamp, and timestamp_cmp_internal().
{
Timestamp a = DatumGetTimestamp(x);
Timestamp b = DatumGetTimestamp(y);
return timestamp_cmp_internal(a, b);
}
| Datum timestamp_finite | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1801 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_BOOL, and TIMESTAMP_NOT_FINITE.
{
Timestamp timestamp = PG_GETARG_TIMESTAMP(0);
PG_RETURN_BOOL(!TIMESTAMP_NOT_FINITE(timestamp));
}
| Datum timestamp_ge | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1943 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_BOOL, and timestamp_cmp_internal().
Referenced by gbt_tsge().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) >= 0);
}
| Datum timestamp_ge_timestamptz | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2056 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
Timestamp timestampVal = PG_GETARG_TIMESTAMP(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMPTZ(1);
TimestampTz dt1;
dt1 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) >= 0);
}
| Datum timestamp_gt | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1925 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_BOOL, and timestamp_cmp_internal().
Referenced by gbt_tsgt().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) > 0);
}
| Datum timestamp_gt_timestamptz | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2032 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
Timestamp timestampVal = PG_GETARG_TIMESTAMP(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMPTZ(1);
TimestampTz dt1;
dt1 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) > 0);
}
| Datum timestamp_hash | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1980 of file timestamp.c.
References hashfloat8(), and hashint8().
{
/* We can use either hashint8 or hashfloat8 directly */
#ifdef HAVE_INT64_TIMESTAMP
return hashint8(fcinfo);
#else
return hashfloat8(fcinfo);
#endif
}
| Datum timestamp_in | ( | PG_FUNCTION_ARGS | ) |
Definition at line 139 of file timestamp.c.
References AdjustTimestampForTypmod(), DateTimeParseError(), DecodeDateTime(), DTK_DATE, DTK_EARLY, DTK_EPOCH, DTK_INVALID, DTK_LATE, elog, ereport, errcode(), errmsg(), ERROR, MAXDATEFIELDS, MAXDATELEN, NULL, ParseDateTime(), PG_GETARG_CSTRING, PG_GETARG_INT32, PG_GETARG_OID, PG_RETURN_TIMESTAMP, SetEpochTimestamp(), TIMESTAMP_NOBEGIN, TIMESTAMP_NOEND, tm, and tm2timestamp().
Referenced by moddatetime().
{
char *str = PG_GETARG_CSTRING(0);
#ifdef NOT_USED
Oid typelem = PG_GETARG_OID(1);
#endif
int32 typmod = PG_GETARG_INT32(2);
Timestamp result;
fsec_t fsec;
struct pg_tm tt,
*tm = &tt;
int tz;
int dtype;
int nf;
int dterr;
char *field[MAXDATEFIELDS];
int ftype[MAXDATEFIELDS];
char workbuf[MAXDATELEN + MAXDATEFIELDS];
dterr = ParseDateTime(str, workbuf, sizeof(workbuf),
field, ftype, MAXDATEFIELDS, &nf);
if (dterr == 0)
dterr = DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, &tz);
if (dterr != 0)
DateTimeParseError(dterr, str, "timestamp");
switch (dtype)
{
case DTK_DATE:
if (tm2timestamp(tm, fsec, NULL, &result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range: \"%s\"", str)));
break;
case DTK_EPOCH:
result = SetEpochTimestamp();
break;
case DTK_LATE:
TIMESTAMP_NOEND(result);
break;
case DTK_EARLY:
TIMESTAMP_NOBEGIN(result);
break;
case DTK_INVALID:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("date/time value \"%s\" is no longer supported", str)));
TIMESTAMP_NOEND(result);
break;
default:
elog(ERROR, "unexpected dtype %d while parsing timestamp \"%s\"",
dtype, str);
TIMESTAMP_NOEND(result);
}
AdjustTimestampForTypmod(&result, typmod);
PG_RETURN_TIMESTAMP(result);
}
| Datum timestamp_izone | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4598 of file timestamp.c.
References DatumGetCString, Interval::day, DirectFunctionCall1, dt2local(), ereport, errcode(), errmsg(), ERROR, interval_out(), Interval::month, PG_GETARG_INTERVAL_P, PG_GETARG_TIMESTAMP, PG_RETURN_TIMESTAMPTZ, PointerGetDatum, Interval::time, and TIMESTAMP_NOT_FINITE.
{
Interval *zone = PG_GETARG_INTERVAL_P(0);
Timestamp timestamp = PG_GETARG_TIMESTAMP(1);
TimestampTz result;
int tz;
if (TIMESTAMP_NOT_FINITE(timestamp))
PG_RETURN_TIMESTAMPTZ(timestamp);
if (zone->month != 0 || zone->day != 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("interval time zone \"%s\" must not include months or days",
DatumGetCString(DirectFunctionCall1(interval_out,
PointerGetDatum(zone))))));
#ifdef HAVE_INT64_TIMESTAMP
tz = zone->time / USECS_PER_SEC;
#else
tz = zone->time;
#endif
result = dt2local(timestamp, tz);
PG_RETURN_TIMESTAMPTZ(result);
} /* timestamp_izone() */
| Datum timestamp_larger | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2426 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_TIMESTAMP, and timestamp_cmp_internal().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
Timestamp result;
if (timestamp_cmp_internal(dt1, dt2) > 0)
result = dt1;
else
result = dt2;
PG_RETURN_TIMESTAMP(result);
}
| Datum timestamp_le | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1934 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_BOOL, and timestamp_cmp_internal().
Referenced by gbt_tsle().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) <= 0);
}
| Datum timestamp_le_timestamptz | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2044 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
Timestamp timestampVal = PG_GETARG_TIMESTAMP(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMPTZ(1);
TimestampTz dt1;
dt1 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) <= 0);
}
| Datum timestamp_lt | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1916 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_BOOL, and timestamp_cmp_internal().
Referenced by gbt_tslt().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) < 0);
}
| Datum timestamp_lt_timestamptz | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2020 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
Timestamp timestampVal = PG_GETARG_TIMESTAMP(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMPTZ(1);
TimestampTz dt1;
dt1 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) < 0);
}
| Datum timestamp_mi | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2441 of file timestamp.c.
References DatumGetIntervalP, Interval::day, DirectFunctionCall1, ereport, errcode(), errmsg(), ERROR, interval_justify_hours(), IntervalPGetDatum, Interval::month, palloc(), PG_GETARG_TIMESTAMP, PG_RETURN_INTERVAL_P, Interval::time, and TIMESTAMP_NOT_FINITE.
Referenced by gbt_ts_dist(), ts_dist(), and tstz_dist().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
Interval *result;
result = (Interval *) palloc(sizeof(Interval));
if (TIMESTAMP_NOT_FINITE(dt1) || TIMESTAMP_NOT_FINITE(dt2))
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("cannot subtract infinite timestamps")));
result->time = dt1 - dt2;
result->month = 0;
result->day = 0;
/*----------
* This is wrong, but removing it breaks a lot of regression tests.
* For example:
*
* test=> SET timezone = 'EST5EDT';
* test=> SELECT
* test-> ('2005-10-30 13:22:00-05'::timestamptz -
* test(> '2005-10-29 13:22:00-04'::timestamptz);
* ?column?
* ----------------
* 1 day 01:00:00
* (1 row)
*
* so adding that to the first timestamp gets:
*
* test=> SELECT
* test-> ('2005-10-29 13:22:00-04'::timestamptz +
* test(> ('2005-10-30 13:22:00-05'::timestamptz -
* test(> '2005-10-29 13:22:00-04'::timestamptz)) at time zone 'EST';
* timezone
* --------------------
* 2005-10-30 14:22:00
* (1 row)
*----------
*/
result = DatumGetIntervalP(DirectFunctionCall1(interval_justify_hours,
IntervalPGetDatum(result)));
PG_RETURN_INTERVAL_P(result);
}
| Datum timestamp_mi_interval | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2730 of file timestamp.c.
References Interval::day, DirectFunctionCall2, Interval::month, PG_GETARG_INTERVAL_P, PG_GETARG_TIMESTAMP, PointerGetDatum, Interval::time, timestamp_pl_interval(), and TimestampGetDatum.
Referenced by date_mi_interval().
{
Timestamp timestamp = PG_GETARG_TIMESTAMP(0);
Interval *span = PG_GETARG_INTERVAL_P(1);
Interval tspan;
tspan.month = -span->month;
tspan.day = -span->day;
tspan.time = -span->time;
return DirectFunctionCall2(timestamp_pl_interval,
TimestampGetDatum(timestamp),
PointerGetDatum(&tspan));
}
| Datum timestamp_ne | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1907 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_BOOL, and timestamp_cmp_internal().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) != 0);
}
| Datum timestamp_ne_timestamptz | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2008 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
Timestamp timestampVal = PG_GETARG_TIMESTAMP(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMPTZ(1);
TimestampTz dt1;
dt1 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) != 0);
}
| Datum timestamp_out | ( | PG_FUNCTION_ARGS | ) |
Definition at line 210 of file timestamp.c.
References buf, DateStyle, EncodeDateTime(), EncodeSpecialTimestamp(), ereport, errcode(), errmsg(), ERROR, MAXDATELEN, NULL, PG_GETARG_TIMESTAMP, PG_RETURN_CSTRING, pstrdup(), timestamp2tm(), TIMESTAMP_NOT_FINITE, and tm.
{
Timestamp timestamp = PG_GETARG_TIMESTAMP(0);
char *result;
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
char buf[MAXDATELEN + 1];
if (TIMESTAMP_NOT_FINITE(timestamp))
EncodeSpecialTimestamp(timestamp, buf);
else if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) == 0)
EncodeDateTime(tm, fsec, false, 0, NULL, DateStyle, buf);
else
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = pstrdup(buf);
PG_RETURN_CSTRING(result);
}
| Datum timestamp_part | ( | PG_FUNCTION_ARGS | ) |
Definition at line 3967 of file timestamp.c.
References date2isoweek(), date2isoyear(), date2j(), DecodeSpecial(), DecodeUnits(), downcase_truncate_identifier(), DTK_CENTURY, DTK_DAY, DTK_DECADE, DTK_DOW, DTK_DOY, DTK_EPOCH, DTK_HOUR, DTK_ISODOW, DTK_ISOYEAR, DTK_JULIAN, DTK_MICROSEC, DTK_MILLENNIUM, DTK_MILLISEC, DTK_MINUTE, DTK_MONTH, DTK_QUARTER, DTK_SECOND, DTK_TZ, DTK_TZ_HOUR, DTK_TZ_MINUTE, DTK_WEEK, DTK_YEAR, ereport, errcode(), errmsg(), ERROR, j2day(), NULL, PG_GETARG_TEXT_PP, PG_GETARG_TIMESTAMP, PG_RETURN_FLOAT8, RESERV, SECS_PER_DAY, SetEpochTimestamp(), timestamp2tm(), TIMESTAMP_NOT_FINITE, tm, pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, UNITS, UNKNOWN_FIELD, val, VARDATA_ANY, and VARSIZE_ANY_EXHDR.
{
text *units = PG_GETARG_TEXT_PP(0);
Timestamp timestamp = PG_GETARG_TIMESTAMP(1);
float8 result;
int type,
val;
char *lowunits;
fsec_t fsec;
struct pg_tm tt,
*tm = &tt;
if (TIMESTAMP_NOT_FINITE(timestamp))
{
result = 0;
PG_RETURN_FLOAT8(result);
}
lowunits = downcase_truncate_identifier(VARDATA_ANY(units),
VARSIZE_ANY_EXHDR(units),
false);
type = DecodeUnits(0, lowunits, &val);
if (type == UNKNOWN_FIELD)
type = DecodeSpecial(0, lowunits, &val);
if (type == UNITS)
{
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
switch (val)
{
case DTK_MICROSEC:
#ifdef HAVE_INT64_TIMESTAMP
result = tm->tm_sec * 1000000.0 + fsec;
#else
result = (tm->tm_sec + fsec) * 1000000;
#endif
break;
case DTK_MILLISEC:
#ifdef HAVE_INT64_TIMESTAMP
result = tm->tm_sec * 1000.0 + fsec / 1000.0;
#else
result = (tm->tm_sec + fsec) * 1000;
#endif
break;
case DTK_SECOND:
#ifdef HAVE_INT64_TIMESTAMP
result = tm->tm_sec + fsec / 1000000.0;
#else
result = tm->tm_sec + fsec;
#endif
break;
case DTK_MINUTE:
result = tm->tm_min;
break;
case DTK_HOUR:
result = tm->tm_hour;
break;
case DTK_DAY:
result = tm->tm_mday;
break;
case DTK_MONTH:
result = tm->tm_mon;
break;
case DTK_QUARTER:
result = (tm->tm_mon - 1) / 3 + 1;
break;
case DTK_WEEK:
result = (float8) date2isoweek(tm->tm_year, tm->tm_mon, tm->tm_mday);
break;
case DTK_YEAR:
if (tm->tm_year > 0)
result = tm->tm_year;
else
/* there is no year 0, just 1 BC and 1 AD */
result = tm->tm_year - 1;
break;
case DTK_DECADE:
/*
* what is a decade wrt dates? let us assume that decade 199
* is 1990 thru 1999... decade 0 starts on year 1 BC, and -1
* is 11 BC thru 2 BC...
*/
if (tm->tm_year >= 0)
result = tm->tm_year / 10;
else
result = -((8 - (tm->tm_year - 1)) / 10);
break;
case DTK_CENTURY:
/* ----
* centuries AD, c>0: year in [ (c-1)* 100 + 1 : c*100 ]
* centuries BC, c<0: year in [ c*100 : (c+1) * 100 - 1]
* there is no number 0 century.
* ----
*/
if (tm->tm_year > 0)
result = (tm->tm_year + 99) / 100;
else
/* caution: C division may have negative remainder */
result = -((99 - (tm->tm_year - 1)) / 100);
break;
case DTK_MILLENNIUM:
/* see comments above. */
if (tm->tm_year > 0)
result = (tm->tm_year + 999) / 1000;
else
result = -((999 - (tm->tm_year - 1)) / 1000);
break;
case DTK_JULIAN:
result = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday);
#ifdef HAVE_INT64_TIMESTAMP
result += ((((tm->tm_hour * MINS_PER_HOUR) + tm->tm_min) * SECS_PER_MINUTE) +
tm->tm_sec + (fsec / 1000000.0)) / (double) SECS_PER_DAY;
#else
result += ((((tm->tm_hour * MINS_PER_HOUR) + tm->tm_min) * SECS_PER_MINUTE) +
tm->tm_sec + fsec) / (double) SECS_PER_DAY;
#endif
break;
case DTK_ISOYEAR:
result = date2isoyear(tm->tm_year, tm->tm_mon, tm->tm_mday);
break;
case DTK_TZ:
case DTK_TZ_MINUTE:
case DTK_TZ_HOUR:
default:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("timestamp units \"%s\" not supported",
lowunits)));
result = 0;
}
}
else if (type == RESERV)
{
switch (val)
{
case DTK_EPOCH:
#ifdef HAVE_INT64_TIMESTAMP
result = (timestamp - SetEpochTimestamp()) / 1000000.0;
#else
result = timestamp - SetEpochTimestamp();
#endif
break;
case DTK_DOW:
case DTK_ISODOW:
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = j2day(date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
if (val == DTK_ISODOW && result == 0)
result = 7;
break;
case DTK_DOY:
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday)
- date2j(tm->tm_year, 1, 1) + 1);
break;
default:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("timestamp units \"%s\" not supported",
lowunits)));
result = 0;
}
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("timestamp units \"%s\" not recognized", lowunits)));
result = 0;
}
PG_RETURN_FLOAT8(result);
}
| Datum timestamp_pl_interval | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2657 of file timestamp.c.
References date2j(), Interval::day, day_tab, ereport, errcode(), errmsg(), ERROR, isleap, j2date(), Interval::month, MONTHS_PER_YEAR, NULL, PG_GETARG_INTERVAL_P, PG_GETARG_TIMESTAMP, PG_RETURN_TIMESTAMP, Interval::time, timestamp2tm(), TIMESTAMP_NOT_FINITE, tm, tm2timestamp(), pg_tm::tm_mday, pg_tm::tm_mon, and pg_tm::tm_year.
Referenced by date_pl_interval(), generate_series_timestamp(), and timestamp_mi_interval().
{
Timestamp timestamp = PG_GETARG_TIMESTAMP(0);
Interval *span = PG_GETARG_INTERVAL_P(1);
Timestamp result;
if (TIMESTAMP_NOT_FINITE(timestamp))
result = timestamp;
else
{
if (span->month != 0)
{
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
tm->tm_mon += span->month;
if (tm->tm_mon > MONTHS_PER_YEAR)
{
tm->tm_year += (tm->tm_mon - 1) / MONTHS_PER_YEAR;
tm->tm_mon = ((tm->tm_mon - 1) % MONTHS_PER_YEAR) + 1;
}
else if (tm->tm_mon < 1)
{
tm->tm_year += tm->tm_mon / MONTHS_PER_YEAR - 1;
tm->tm_mon = tm->tm_mon % MONTHS_PER_YEAR + MONTHS_PER_YEAR;
}
/* adjust for end of month boundary problems... */
if (tm->tm_mday > day_tab[isleap(tm->tm_year)][tm->tm_mon - 1])
tm->tm_mday = (day_tab[isleap(tm->tm_year)][tm->tm_mon - 1]);
if (tm2timestamp(tm, fsec, NULL, ×tamp) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
}
if (span->day != 0)
{
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
int julian;
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
/* Add days by converting to and from julian */
julian = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) + span->day;
j2date(julian, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
if (tm2timestamp(tm, fsec, NULL, ×tamp) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
}
timestamp += span->time;
result = timestamp;
}
PG_RETURN_TIMESTAMP(result);
}
| Datum timestamp_recv | ( | PG_FUNCTION_ARGS | ) |
Definition at line 239 of file timestamp.c.
References AdjustTimestampForTypmod(), buf, ereport, errcode(), errmsg(), ERROR, NULL, PG_GETARG_INT32, PG_GETARG_OID, PG_GETARG_POINTER, PG_RETURN_TIMESTAMP, pq_getmsgfloat8(), pq_getmsgint64(), timestamp2tm(), TIMESTAMP_NOT_FINITE, and tm.
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
#ifdef NOT_USED
Oid typelem = PG_GETARG_OID(1);
#endif
int32 typmod = PG_GETARG_INT32(2);
Timestamp timestamp;
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
#ifdef HAVE_INT64_TIMESTAMP
timestamp = (Timestamp) pq_getmsgint64(buf);
#else
timestamp = (Timestamp) pq_getmsgfloat8(buf);
if (isnan(timestamp))
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp cannot be NaN")));
#endif
/* rangecheck: see if timestamp_out would like it */
if (TIMESTAMP_NOT_FINITE(timestamp))
/* ok */ ;
else if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
AdjustTimestampForTypmod(×tamp, typmod);
PG_RETURN_TIMESTAMP(timestamp);
}
| Datum timestamp_scale | ( | PG_FUNCTION_ARGS | ) |
Definition at line 327 of file timestamp.c.
References AdjustTimestampForTypmod(), PG_GETARG_INT32, PG_GETARG_TIMESTAMP, and PG_RETURN_TIMESTAMP.
{
Timestamp timestamp = PG_GETARG_TIMESTAMP(0);
int32 typmod = PG_GETARG_INT32(1);
Timestamp result;
result = timestamp;
AdjustTimestampForTypmod(&result, typmod);
PG_RETURN_TIMESTAMP(result);
}
| Datum timestamp_send | ( | PG_FUNCTION_ARGS | ) |
Definition at line 280 of file timestamp.c.
References buf, PG_GETARG_TIMESTAMP, PG_RETURN_BYTEA_P, pq_begintypsend(), pq_endtypsend(), pq_sendfloat8(), and pq_sendint64().
{
Timestamp timestamp = PG_GETARG_TIMESTAMP(0);
StringInfoData buf;
pq_begintypsend(&buf);
#ifdef HAVE_INT64_TIMESTAMP
pq_sendint64(&buf, timestamp);
#else
pq_sendfloat8(&buf, timestamp);
#endif
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
| Datum timestamp_smaller | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2411 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_TIMESTAMP, and timestamp_cmp_internal().
{
Timestamp dt1 = PG_GETARG_TIMESTAMP(0);
Timestamp dt2 = PG_GETARG_TIMESTAMP(1);
Timestamp result;
/* use timestamp_cmp_internal to be sure this agrees with comparisons */
if (timestamp_cmp_internal(dt1, dt2) < 0)
result = dt1;
else
result = dt2;
PG_RETURN_TIMESTAMP(result);
}
| Datum timestamp_sortsupport | ( | PG_FUNCTION_ARGS | ) |
Definition at line 1971 of file timestamp.c.
References SortSupportData::comparator, PG_GETARG_POINTER, and PG_RETURN_VOID.
{
SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0);
ssup->comparator = timestamp_fastcmp;
PG_RETURN_VOID();
}
| Datum timestamp_timestamptz | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4630 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_RETURN_TIMESTAMPTZ, and timestamp2timestamptz().
{
Timestamp timestamp = PG_GETARG_TIMESTAMP(0);
PG_RETURN_TIMESTAMPTZ(timestamp2timestamptz(timestamp));
}
| Datum timestamp_transform | ( | PG_FUNCTION_ARGS | ) |
Definition at line 316 of file timestamp.c.
References MAX_TIMESTAMP_PRECISION, PG_GETARG_POINTER, PG_RETURN_POINTER, and TemporalTransform().
| Datum timestamp_trunc | ( | PG_FUNCTION_ARGS | ) |
Definition at line 3403 of file timestamp.c.
References date2isoweek(), DecodeUnits(), downcase_truncate_identifier(), DTK_CENTURY, DTK_DAY, DTK_DECADE, DTK_HOUR, DTK_MICROSEC, DTK_MILLENNIUM, DTK_MILLISEC, DTK_MINUTE, DTK_MONTH, DTK_QUARTER, DTK_SECOND, DTK_WEEK, DTK_YEAR, ereport, errcode(), errmsg(), ERROR, isoweek2date(), MONTHS_PER_YEAR, NULL, PG_GETARG_TEXT_PP, PG_GETARG_TIMESTAMP, PG_RETURN_TIMESTAMP, timestamp2tm(), TIMESTAMP_NOT_FINITE, tm, tm2timestamp(), pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, UNITS, val, VARDATA_ANY, and VARSIZE_ANY_EXHDR.
{
text *units = PG_GETARG_TEXT_PP(0);
Timestamp timestamp = PG_GETARG_TIMESTAMP(1);
Timestamp result;
int type,
val;
char *lowunits;
fsec_t fsec;
struct pg_tm tt,
*tm = &tt;
if (TIMESTAMP_NOT_FINITE(timestamp))
PG_RETURN_TIMESTAMP(timestamp);
lowunits = downcase_truncate_identifier(VARDATA_ANY(units),
VARSIZE_ANY_EXHDR(units),
false);
type = DecodeUnits(0, lowunits, &val);
if (type == UNITS)
{
if (timestamp2tm(timestamp, NULL, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
switch (val)
{
case DTK_WEEK:
{
int woy;
woy = date2isoweek(tm->tm_year, tm->tm_mon, tm->tm_mday);
/*
* If it is week 52/53 and the month is January, then the
* week must belong to the previous year. Also, some
* December dates belong to the next year.
*/
if (woy >= 52 && tm->tm_mon == 1)
--tm->tm_year;
if (woy <= 1 && tm->tm_mon == MONTHS_PER_YEAR)
++tm->tm_year;
isoweek2date(woy, &(tm->tm_year), &(tm->tm_mon), &(tm->tm_mday));
tm->tm_hour = 0;
tm->tm_min = 0;
tm->tm_sec = 0;
fsec = 0;
break;
}
case DTK_MILLENNIUM:
/* see comments in timestamptz_trunc */
if (tm->tm_year > 0)
tm->tm_year = ((tm->tm_year + 999) / 1000) * 1000 - 999;
else
tm->tm_year = -((999 - (tm->tm_year - 1)) / 1000) * 1000 + 1;
case DTK_CENTURY:
/* see comments in timestamptz_trunc */
if (tm->tm_year > 0)
tm->tm_year = ((tm->tm_year + 99) / 100) * 100 - 99;
else
tm->tm_year = -((99 - (tm->tm_year - 1)) / 100) * 100 + 1;
case DTK_DECADE:
/* see comments in timestamptz_trunc */
if (val != DTK_MILLENNIUM && val != DTK_CENTURY)
{
if (tm->tm_year > 0)
tm->tm_year = (tm->tm_year / 10) * 10;
else
tm->tm_year = -((8 - (tm->tm_year - 1)) / 10) * 10;
}
case DTK_YEAR:
tm->tm_mon = 1;
case DTK_QUARTER:
tm->tm_mon = (3 * ((tm->tm_mon - 1) / 3)) + 1;
case DTK_MONTH:
tm->tm_mday = 1;
case DTK_DAY:
tm->tm_hour = 0;
case DTK_HOUR:
tm->tm_min = 0;
case DTK_MINUTE:
tm->tm_sec = 0;
case DTK_SECOND:
fsec = 0;
break;
case DTK_MILLISEC:
#ifdef HAVE_INT64_TIMESTAMP
fsec = (fsec / 1000) * 1000;
#else
fsec = floor(fsec * 1000) / 1000;
#endif
break;
case DTK_MICROSEC:
#ifndef HAVE_INT64_TIMESTAMP
fsec = floor(fsec * 1000000) / 1000000;
#endif
break;
default:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("timestamp units \"%s\" not supported",
lowunits)));
result = 0;
}
if (tm2timestamp(tm, fsec, NULL, &result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("timestamp units \"%s\" not recognized",
lowunits)));
result = 0;
}
PG_RETURN_TIMESTAMP(result);
}
| Datum timestamp_zone | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4527 of file timestamp.c.
References DecodeSpecial(), DetermineTimeZoneOffset(), downcase_truncate_identifier(), dt2local(), DTZ, ereport, errcode(), errmsg(), ERROR, NULL, PG_GETARG_TEXT_PP, PG_GETARG_TIMESTAMP, PG_RETURN_TIMESTAMPTZ, pg_tzset(), text_to_cstring_buffer(), timestamp2tm(), TIMESTAMP_NOT_FINITE, tm2timestamp(), TZ, TZ_STRLEN_MAX, and val.
{
text *zone = PG_GETARG_TEXT_PP(0);
Timestamp timestamp = PG_GETARG_TIMESTAMP(1);
TimestampTz result;
int tz;
char tzname[TZ_STRLEN_MAX + 1];
char *lowzone;
int type,
val;
pg_tz *tzp;
if (TIMESTAMP_NOT_FINITE(timestamp))
PG_RETURN_TIMESTAMPTZ(timestamp);
/*
* Look up the requested timezone. First we look in the date token table
* (to handle cases like "EST"), and if that fails, we look in the
* timezone database (to handle cases like "America/New_York"). (This
* matches the order in which timestamp input checks the cases; it's
* important because the timezone database unwisely uses a few zone names
* that are identical to offset abbreviations.)
*/
text_to_cstring_buffer(zone, tzname, sizeof(tzname));
lowzone = downcase_truncate_identifier(tzname,
strlen(tzname),
false);
type = DecodeSpecial(0, lowzone, &val);
if (type == TZ || type == DTZ)
{
tz = -(val * MINS_PER_HOUR);
result = dt2local(timestamp, tz);
}
else
{
tzp = pg_tzset(tzname);
if (tzp)
{
/* Apply the timezone change */
struct pg_tm tm;
fsec_t fsec;
if (timestamp2tm(timestamp, NULL, &tm, &fsec, NULL, tzp) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
tz = DetermineTimeZoneOffset(&tm, tzp);
if (tm2timestamp(&tm, fsec, &tz, &result) != 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("could not convert to time zone \"%s\"",
tzname)));
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("time zone \"%s\" not recognized", tzname)));
result = 0; /* keep compiler quiet */
}
}
PG_RETURN_TIMESTAMPTZ(result);
}
| void TimestampDifference | ( | TimestampTz | start_time, | |
| TimestampTz | stop_time, | |||
| long * | secs, | |||
| int * | microsecs | |||
| ) |
Definition at line 1344 of file timestamp.c.
References USECS_PER_SEC.
Referenced by BackendRun(), check_log_duration(), DetermineSleepTime(), GetReplicationApplyDelay(), GetReplicationTransferLatency(), launcher_determine_sleep(), lazy_vacuum_rel(), log_disconnections(), LogCheckpointEnd(), ProcSleep(), and schedule_alarm().
{
TimestampTz diff = stop_time - start_time;
if (diff <= 0)
{
*secs = 0;
*microsecs = 0;
}
else
{
#ifdef HAVE_INT64_TIMESTAMP
*secs = (long) (diff / USECS_PER_SEC);
*microsecs = (int) (diff % USECS_PER_SEC);
#else
*secs = (long) diff;
*microsecs = (int) ((diff - *secs) * 1000000.0);
#endif
}
}
| bool TimestampDifferenceExceeds | ( | TimestampTz | start_time, | |
| TimestampTz | stop_time, | |||
| int | msec | |||
| ) |
Definition at line 1374 of file timestamp.c.
References INT64CONST.
Referenced by asyncQueueFillWarning(), autovac_refresh_stats(), AutoVacLauncherMain(), do_analyze_rel(), do_start_worker(), lazy_vacuum_rel(), pgstat_report_stat(), ResolveRecoveryConflictWithVirtualXIDs(), StartOneBackgroundWorker(), XLogWalRcvSendHSFeedback(), and XLogWalRcvSendReply().
{
TimestampTz diff = stop_time - start_time;
#ifdef HAVE_INT64_TIMESTAMP
return (diff >= msec * INT64CONST(1000));
#else
return (diff * 1000.0 >= msec);
#endif
}
| Datum timestamptypmodin | ( | PG_FUNCTION_ARGS | ) |
Definition at line 295 of file timestamp.c.
References anytimestamp_typmodin(), PG_GETARG_ARRAYTYPE_P, and PG_RETURN_INT32.
{
ArrayType *ta = PG_GETARG_ARRAYTYPE_P(0);
PG_RETURN_INT32(anytimestamp_typmodin(false, ta));
}
| Datum timestamptypmodout | ( | PG_FUNCTION_ARGS | ) |
Definition at line 303 of file timestamp.c.
References anytimestamp_typmodout(), PG_GETARG_INT32, and PG_RETURN_CSTRING.
{
int32 typmod = PG_GETARG_INT32(0);
PG_RETURN_CSTRING(anytimestamp_typmodout(false, typmod));
}
| Datum timestamptz_age | ( | PG_FUNCTION_ARGS | ) |
Definition at line 3272 of file timestamp.c.
References day_tab, ereport, errcode(), errmsg(), ERROR, isleap, NULL, palloc(), PG_GETARG_TIMESTAMPTZ, PG_RETURN_INTERVAL_P, timestamp2tm(), tm, tm2interval(), pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, and pg_tm::tm_year.
{
TimestampTz dt1 = PG_GETARG_TIMESTAMPTZ(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMPTZ(1);
Interval *result;
fsec_t fsec,
fsec1,
fsec2;
struct pg_tm tt,
*tm = &tt;
struct pg_tm tt1,
*tm1 = &tt1;
struct pg_tm tt2,
*tm2 = &tt2;
int tz1;
int tz2;
result = (Interval *) palloc(sizeof(Interval));
if (timestamp2tm(dt1, &tz1, tm1, &fsec1, NULL, NULL) == 0 &&
timestamp2tm(dt2, &tz2, tm2, &fsec2, NULL, NULL) == 0)
{
/* form the symbolic difference */
fsec = fsec1 - fsec2;
tm->tm_sec = tm1->tm_sec - tm2->tm_sec;
tm->tm_min = tm1->tm_min - tm2->tm_min;
tm->tm_hour = tm1->tm_hour - tm2->tm_hour;
tm->tm_mday = tm1->tm_mday - tm2->tm_mday;
tm->tm_mon = tm1->tm_mon - tm2->tm_mon;
tm->tm_year = tm1->tm_year - tm2->tm_year;
/* flip sign if necessary... */
if (dt1 < dt2)
{
fsec = -fsec;
tm->tm_sec = -tm->tm_sec;
tm->tm_min = -tm->tm_min;
tm->tm_hour = -tm->tm_hour;
tm->tm_mday = -tm->tm_mday;
tm->tm_mon = -tm->tm_mon;
tm->tm_year = -tm->tm_year;
}
/* propagate any negative fields into the next higher field */
while (fsec < 0)
{
#ifdef HAVE_INT64_TIMESTAMP
fsec += USECS_PER_SEC;
#else
fsec += 1.0;
#endif
tm->tm_sec--;
}
while (tm->tm_sec < 0)
{
tm->tm_sec += SECS_PER_MINUTE;
tm->tm_min--;
}
while (tm->tm_min < 0)
{
tm->tm_min += MINS_PER_HOUR;
tm->tm_hour--;
}
while (tm->tm_hour < 0)
{
tm->tm_hour += HOURS_PER_DAY;
tm->tm_mday--;
}
while (tm->tm_mday < 0)
{
if (dt1 < dt2)
{
tm->tm_mday += day_tab[isleap(tm1->tm_year)][tm1->tm_mon - 1];
tm->tm_mon--;
}
else
{
tm->tm_mday += day_tab[isleap(tm2->tm_year)][tm2->tm_mon - 1];
tm->tm_mon--;
}
}
while (tm->tm_mon < 0)
{
tm->tm_mon += MONTHS_PER_YEAR;
tm->tm_year--;
}
/*
* Note: we deliberately ignore any difference between tz1 and tz2.
*/
/* recover sign if necessary... */
if (dt1 < dt2)
{
fsec = -fsec;
tm->tm_sec = -tm->tm_sec;
tm->tm_min = -tm->tm_min;
tm->tm_hour = -tm->tm_hour;
tm->tm_mday = -tm->tm_mday;
tm->tm_mon = -tm->tm_mon;
tm->tm_year = -tm->tm_year;
}
if (tm2interval(tm, fsec, result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("interval out of range")));
}
else
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
PG_RETURN_INTERVAL_P(result);
}
| Datum timestamptz_cmp_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2152 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_INT32, timestamp2timestamptz(), and timestamp_cmp_internal().
{
TimestampTz dt1 = PG_GETARG_TIMESTAMPTZ(0);
Timestamp timestampVal = PG_GETARG_TIMESTAMP(1);
TimestampTz dt2;
dt2 = timestamp2timestamptz(timestampVal);
PG_RETURN_INT32(timestamp_cmp_internal(dt1, dt2));
}
| Datum timestamptz_eq_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2080 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
TimestampTz dt1 = PG_GETARG_TIMESTAMPTZ(0);
Timestamp timestampVal = PG_GETARG_TIMESTAMP(1);
TimestampTz dt2;
dt2 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) == 0);
}
| Datum timestamptz_ge_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2140 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
TimestampTz dt1 = PG_GETARG_TIMESTAMPTZ(0);
Timestamp timestampVal = PG_GETARG_TIMESTAMP(1);
TimestampTz dt2;
dt2 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) >= 0);
}
| Datum timestamptz_gt_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2116 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
TimestampTz dt1 = PG_GETARG_TIMESTAMPTZ(0);
Timestamp timestampVal = PG_GETARG_TIMESTAMP(1);
TimestampTz dt2;
dt2 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) > 0);
}
| Datum timestamptz_in | ( | PG_FUNCTION_ARGS | ) |
Definition at line 413 of file timestamp.c.
References AdjustTimestampForTypmod(), DateTimeParseError(), DecodeDateTime(), DTK_DATE, DTK_EARLY, DTK_EPOCH, DTK_INVALID, DTK_LATE, elog, ereport, errcode(), errmsg(), ERROR, MAXDATEFIELDS, MAXDATELEN, ParseDateTime(), PG_GETARG_CSTRING, PG_GETARG_INT32, PG_GETARG_OID, PG_RETURN_TIMESTAMPTZ, SetEpochTimestamp(), TIMESTAMP_NOBEGIN, TIMESTAMP_NOEND, tm, and tm2timestamp().
Referenced by AlterRole(), CreateRole(), moddatetime(), pg_backup_start_time(), and readRecoveryCommandFile().
{
char *str = PG_GETARG_CSTRING(0);
#ifdef NOT_USED
Oid typelem = PG_GETARG_OID(1);
#endif
int32 typmod = PG_GETARG_INT32(2);
TimestampTz result;
fsec_t fsec;
struct pg_tm tt,
*tm = &tt;
int tz;
int dtype;
int nf;
int dterr;
char *field[MAXDATEFIELDS];
int ftype[MAXDATEFIELDS];
char workbuf[MAXDATELEN + MAXDATEFIELDS];
dterr = ParseDateTime(str, workbuf, sizeof(workbuf),
field, ftype, MAXDATEFIELDS, &nf);
if (dterr == 0)
dterr = DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, &tz);
if (dterr != 0)
DateTimeParseError(dterr, str, "timestamp with time zone");
switch (dtype)
{
case DTK_DATE:
if (tm2timestamp(tm, fsec, &tz, &result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range: \"%s\"", str)));
break;
case DTK_EPOCH:
result = SetEpochTimestamp();
break;
case DTK_LATE:
TIMESTAMP_NOEND(result);
break;
case DTK_EARLY:
TIMESTAMP_NOBEGIN(result);
break;
case DTK_INVALID:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("date/time value \"%s\" is no longer supported", str)));
TIMESTAMP_NOEND(result);
break;
default:
elog(ERROR, "unexpected dtype %d while parsing timestamptz \"%s\"",
dtype, str);
TIMESTAMP_NOEND(result);
}
AdjustTimestampForTypmod(&result, typmod);
PG_RETURN_TIMESTAMPTZ(result);
}
| Datum timestamptz_izone | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4771 of file timestamp.c.
References DatumGetCString, Interval::day, DirectFunctionCall1, dt2local(), ereport, errcode(), errmsg(), ERROR, interval_out(), Interval::month, PG_GETARG_INTERVAL_P, PG_GETARG_TIMESTAMPTZ, PG_RETURN_TIMESTAMP, PointerGetDatum, Interval::time, and TIMESTAMP_NOT_FINITE.
{
Interval *zone = PG_GETARG_INTERVAL_P(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(1);
Timestamp result;
int tz;
if (TIMESTAMP_NOT_FINITE(timestamp))
PG_RETURN_TIMESTAMP(timestamp);
if (zone->month != 0 || zone->day != 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("interval time zone \"%s\" must not include months or days",
DatumGetCString(DirectFunctionCall1(interval_out,
PointerGetDatum(zone))))));
#ifdef HAVE_INT64_TIMESTAMP
tz = -(zone->time / USECS_PER_SEC);
#else
tz = -zone->time;
#endif
result = dt2local(timestamp, tz);
PG_RETURN_TIMESTAMP(result);
}
| Datum timestamptz_le_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2128 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
TimestampTz dt1 = PG_GETARG_TIMESTAMPTZ(0);
Timestamp timestampVal = PG_GETARG_TIMESTAMP(1);
TimestampTz dt2;
dt2 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) <= 0);
}
| Datum timestamptz_lt_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2104 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
TimestampTz dt1 = PG_GETARG_TIMESTAMPTZ(0);
Timestamp timestampVal = PG_GETARG_TIMESTAMP(1);
TimestampTz dt2;
dt2 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) < 0);
}
| Datum timestamptz_mi_interval | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2834 of file timestamp.c.
References Interval::day, DirectFunctionCall2, Interval::month, PG_GETARG_INTERVAL_P, PG_GETARG_TIMESTAMPTZ, PointerGetDatum, Interval::time, TimestampGetDatum, and timestamptz_pl_interval().
{
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
Interval *span = PG_GETARG_INTERVAL_P(1);
Interval tspan;
tspan.month = -span->month;
tspan.day = -span->day;
tspan.time = -span->time;
return DirectFunctionCall2(timestamptz_pl_interval,
TimestampGetDatum(timestamp),
PointerGetDatum(&tspan));
}
| Datum timestamptz_ne_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2092 of file timestamp.c.
References PG_GETARG_TIMESTAMP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BOOL, timestamp2timestamptz(), and timestamp_cmp_internal().
{
TimestampTz dt1 = PG_GETARG_TIMESTAMPTZ(0);
Timestamp timestampVal = PG_GETARG_TIMESTAMP(1);
TimestampTz dt2;
dt2 = timestamp2timestamptz(timestampVal);
PG_RETURN_BOOL(timestamp_cmp_internal(dt1, dt2) != 0);
}
| Datum timestamptz_out | ( | PG_FUNCTION_ARGS | ) |
Definition at line 484 of file timestamp.c.
References buf, DateStyle, EncodeDateTime(), EncodeSpecialTimestamp(), ereport, errcode(), errmsg(), ERROR, MAXDATELEN, NULL, PG_GETARG_TIMESTAMPTZ, PG_RETURN_CSTRING, pstrdup(), timestamp2tm(), TIMESTAMP_NOT_FINITE, and tm.
{
TimestampTz dt = PG_GETARG_TIMESTAMPTZ(0);
char *result;
int tz;
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
const char *tzn;
char buf[MAXDATELEN + 1];
if (TIMESTAMP_NOT_FINITE(dt))
EncodeSpecialTimestamp(dt, buf);
else if (timestamp2tm(dt, &tz, tm, &fsec, &tzn, NULL) == 0)
EncodeDateTime(tm, fsec, true, tz, tzn, DateStyle, buf);
else
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = pstrdup(buf);
PG_RETURN_CSTRING(result);
}
| Datum timestamptz_part | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4176 of file timestamp.c.
References date2isoweek(), date2isoyear(), date2j(), DecodeSpecial(), DecodeUnits(), downcase_truncate_identifier(), DTK_CENTURY, DTK_DAY, DTK_DECADE, DTK_DOW, DTK_DOY, DTK_EPOCH, DTK_HOUR, DTK_ISODOW, DTK_ISOYEAR, DTK_JULIAN, DTK_MICROSEC, DTK_MILLENNIUM, DTK_MILLISEC, DTK_MINUTE, DTK_MONTH, DTK_QUARTER, DTK_SECOND, DTK_TZ, DTK_TZ_HOUR, DTK_TZ_MINUTE, DTK_WEEK, DTK_YEAR, ereport, errcode(), errmsg(), ERROR, FMODULO, j2day(), MINS_PER_HOUR, NULL, PG_GETARG_TEXT_PP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_FLOAT8, RESERV, SECS_PER_DAY, SECS_PER_HOUR, SetEpochTimestamp(), timestamp2tm(), TIMESTAMP_NOT_FINITE, tm, pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, UNITS, UNKNOWN_FIELD, val, VARDATA_ANY, and VARSIZE_ANY_EXHDR.
{
text *units = PG_GETARG_TEXT_PP(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(1);
float8 result;
int tz;
int type,
val;
char *lowunits;
double dummy;
fsec_t fsec;
struct pg_tm tt,
*tm = &tt;
if (TIMESTAMP_NOT_FINITE(timestamp))
{
result = 0;
PG_RETURN_FLOAT8(result);
}
lowunits = downcase_truncate_identifier(VARDATA_ANY(units),
VARSIZE_ANY_EXHDR(units),
false);
type = DecodeUnits(0, lowunits, &val);
if (type == UNKNOWN_FIELD)
type = DecodeSpecial(0, lowunits, &val);
if (type == UNITS)
{
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
switch (val)
{
case DTK_TZ:
result = -tz;
break;
case DTK_TZ_MINUTE:
result = -tz;
result /= MINS_PER_HOUR;
FMODULO(result, dummy, (double) MINS_PER_HOUR);
break;
case DTK_TZ_HOUR:
dummy = -tz;
FMODULO(dummy, result, (double) SECS_PER_HOUR);
break;
case DTK_MICROSEC:
#ifdef HAVE_INT64_TIMESTAMP
result = tm->tm_sec * 1000000.0 + fsec;
#else
result = (tm->tm_sec + fsec) * 1000000;
#endif
break;
case DTK_MILLISEC:
#ifdef HAVE_INT64_TIMESTAMP
result = tm->tm_sec * 1000.0 + fsec / 1000.0;
#else
result = (tm->tm_sec + fsec) * 1000;
#endif
break;
case DTK_SECOND:
#ifdef HAVE_INT64_TIMESTAMP
result = tm->tm_sec + fsec / 1000000.0;
#else
result = tm->tm_sec + fsec;
#endif
break;
case DTK_MINUTE:
result = tm->tm_min;
break;
case DTK_HOUR:
result = tm->tm_hour;
break;
case DTK_DAY:
result = tm->tm_mday;
break;
case DTK_MONTH:
result = tm->tm_mon;
break;
case DTK_QUARTER:
result = (tm->tm_mon - 1) / 3 + 1;
break;
case DTK_WEEK:
result = (float8) date2isoweek(tm->tm_year, tm->tm_mon, tm->tm_mday);
break;
case DTK_YEAR:
if (tm->tm_year > 0)
result = tm->tm_year;
else
/* there is no year 0, just 1 BC and 1 AD */
result = tm->tm_year - 1;
break;
case DTK_DECADE:
/* see comments in timestamp_part */
if (tm->tm_year > 0)
result = tm->tm_year / 10;
else
result = -((8 - (tm->tm_year - 1)) / 10);
break;
case DTK_CENTURY:
/* see comments in timestamp_part */
if (tm->tm_year > 0)
result = (tm->tm_year + 99) / 100;
else
result = -((99 - (tm->tm_year - 1)) / 100);
break;
case DTK_MILLENNIUM:
/* see comments in timestamp_part */
if (tm->tm_year > 0)
result = (tm->tm_year + 999) / 1000;
else
result = -((999 - (tm->tm_year - 1)) / 1000);
break;
case DTK_JULIAN:
result = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday);
#ifdef HAVE_INT64_TIMESTAMP
result += ((((tm->tm_hour * MINS_PER_HOUR) + tm->tm_min) * SECS_PER_MINUTE) +
tm->tm_sec + (fsec / 1000000.0)) / (double) SECS_PER_DAY;
#else
result += ((((tm->tm_hour * MINS_PER_HOUR) + tm->tm_min) * SECS_PER_MINUTE) +
tm->tm_sec + fsec) / (double) SECS_PER_DAY;
#endif
break;
case DTK_ISOYEAR:
result = date2isoyear(tm->tm_year, tm->tm_mon, tm->tm_mday);
break;
default:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("timestamp with time zone units \"%s\" not supported",
lowunits)));
result = 0;
}
}
else if (type == RESERV)
{
switch (val)
{
case DTK_EPOCH:
#ifdef HAVE_INT64_TIMESTAMP
result = (timestamp - SetEpochTimestamp()) / 1000000.0;
#else
result = timestamp - SetEpochTimestamp();
#endif
break;
case DTK_DOW:
case DTK_ISODOW:
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = j2day(date2j(tm->tm_year, tm->tm_mon, tm->tm_mday));
if (val == DTK_ISODOW && result == 0)
result = 7;
break;
case DTK_DOY:
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
result = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday)
- date2j(tm->tm_year, 1, 1) + 1);
break;
default:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("timestamp with time zone units \"%s\" not supported",
lowunits)));
result = 0;
}
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("timestamp with time zone units \"%s\" not recognized",
lowunits)));
result = 0;
}
PG_RETURN_FLOAT8(result);
}
| Datum timestamptz_pl_interval | ( | PG_FUNCTION_ARGS | ) |
Definition at line 2756 of file timestamp.c.
References date2j(), Interval::day, day_tab, DetermineTimeZoneOffset(), ereport, errcode(), errmsg(), ERROR, isleap, j2date(), Interval::month, MONTHS_PER_YEAR, NULL, PG_GETARG_INTERVAL_P, PG_GETARG_TIMESTAMPTZ, PG_RETURN_TIMESTAMP, session_timezone, Interval::time, timestamp2tm(), TIMESTAMP_NOT_FINITE, tm, tm2timestamp(), pg_tm::tm_mday, pg_tm::tm_mon, and pg_tm::tm_year.
Referenced by generate_series_timestamptz(), and timestamptz_mi_interval().
{
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
Interval *span = PG_GETARG_INTERVAL_P(1);
TimestampTz result;
int tz;
if (TIMESTAMP_NOT_FINITE(timestamp))
result = timestamp;
else
{
if (span->month != 0)
{
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
tm->tm_mon += span->month;
if (tm->tm_mon > MONTHS_PER_YEAR)
{
tm->tm_year += (tm->tm_mon - 1) / MONTHS_PER_YEAR;
tm->tm_mon = ((tm->tm_mon - 1) % MONTHS_PER_YEAR) + 1;
}
else if (tm->tm_mon < 1)
{
tm->tm_year += tm->tm_mon / MONTHS_PER_YEAR - 1;
tm->tm_mon = tm->tm_mon % MONTHS_PER_YEAR + MONTHS_PER_YEAR;
}
/* adjust for end of month boundary problems... */
if (tm->tm_mday > day_tab[isleap(tm->tm_year)][tm->tm_mon - 1])
tm->tm_mday = (day_tab[isleap(tm->tm_year)][tm->tm_mon - 1]);
tz = DetermineTimeZoneOffset(tm, session_timezone);
if (tm2timestamp(tm, fsec, &tz, ×tamp) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
}
if (span->day != 0)
{
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
int julian;
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
/* Add days by converting to and from julian */
julian = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) + span->day;
j2date(julian, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
tz = DetermineTimeZoneOffset(tm, session_timezone);
if (tm2timestamp(tm, fsec, &tz, ×tamp) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
}
timestamp += span->time;
result = timestamp;
}
PG_RETURN_TIMESTAMP(result);
}
| Datum timestamptz_recv | ( | PG_FUNCTION_ARGS | ) |
Definition at line 515 of file timestamp.c.
References AdjustTimestampForTypmod(), buf, ereport, errcode(), errmsg(), ERROR, NULL, PG_GETARG_INT32, PG_GETARG_OID, PG_GETARG_POINTER, PG_RETURN_TIMESTAMPTZ, pq_getmsgfloat8(), pq_getmsgint64(), timestamp2tm(), TIMESTAMP_NOT_FINITE, and tm.
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
#ifdef NOT_USED
Oid typelem = PG_GETARG_OID(1);
#endif
int32 typmod = PG_GETARG_INT32(2);
TimestampTz timestamp;
int tz;
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
#ifdef HAVE_INT64_TIMESTAMP
timestamp = (TimestampTz) pq_getmsgint64(buf);
#else
timestamp = (TimestampTz) pq_getmsgfloat8(buf);
#endif
/* rangecheck: see if timestamptz_out would like it */
if (TIMESTAMP_NOT_FINITE(timestamp))
/* ok */ ;
else if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
AdjustTimestampForTypmod(×tamp, typmod);
PG_RETURN_TIMESTAMPTZ(timestamp);
}
| Datum timestamptz_scale | ( | PG_FUNCTION_ARGS | ) |
Definition at line 588 of file timestamp.c.
References AdjustTimestampForTypmod(), PG_GETARG_INT32, PG_GETARG_TIMESTAMPTZ, and PG_RETURN_TIMESTAMPTZ.
{
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
int32 typmod = PG_GETARG_INT32(1);
TimestampTz result;
result = timestamp;
AdjustTimestampForTypmod(&result, typmod);
PG_RETURN_TIMESTAMPTZ(result);
}
| Datum timestamptz_send | ( | PG_FUNCTION_ARGS | ) |
Definition at line 552 of file timestamp.c.
References buf, PG_GETARG_TIMESTAMPTZ, PG_RETURN_BYTEA_P, pq_begintypsend(), pq_endtypsend(), pq_sendfloat8(), and pq_sendint64().
{
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
StringInfoData buf;
pq_begintypsend(&buf);
#ifdef HAVE_INT64_TIMESTAMP
pq_sendint64(&buf, timestamp);
#else
pq_sendfloat8(&buf, timestamp);
#endif
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
| Datum timestamptz_timestamp | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4670 of file timestamp.c.
References ereport, errcode(), errmsg(), ERROR, NULL, PG_GETARG_TIMESTAMPTZ, PG_RETURN_TIMESTAMP, timestamp2tm(), TIMESTAMP_NOT_FINITE, tm, and tm2timestamp().
{
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
Timestamp result;
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
int tz;
if (TIMESTAMP_NOT_FINITE(timestamp))
result = timestamp;
else
{
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
if (tm2timestamp(tm, fsec, NULL, &result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
}
PG_RETURN_TIMESTAMP(result);
}
| const char* timestamptz_to_str | ( | TimestampTz | t | ) |
Definition at line 1447 of file timestamp.c.
References buf, EncodeDateTime(), EncodeSpecialTimestamp(), MAXDATELEN, NULL, strlcpy(), timestamp2tm(), TIMESTAMP_NOT_FINITE, timestamptz_to_time_t(), tm, USE_ISO_DATES, and USECS_PER_SEC.
{
static char buf[MAXDATELEN + 1];
int tz;
struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
const char *tzn;
if (TIMESTAMP_NOT_FINITE(t))
EncodeSpecialTimestamp(t, buf);
else if (timestamp2tm(t, &tz, tm, &fsec, &tzn, NULL) == 0)
EncodeDateTime(tm, fsec, true, tz, tzn, USE_ISO_DATES, buf);
else
strlcpy(buf, "(timestamp out of range)", sizeof(buf));
return buf;
}
| pg_time_t timestamptz_to_time_t | ( | TimestampTz | t | ) |
Definition at line 1424 of file timestamp.c.
References POSTGRES_EPOCH_JDATE, SECS_PER_DAY, UNIX_EPOCH_JDATE, and USECS_PER_SEC.
{
pg_time_t result;
#ifdef HAVE_INT64_TIMESTAMP
result = (pg_time_t) (t / USECS_PER_SEC +
((POSTGRES_EPOCH_JDATE - UNIX_EPOCH_JDATE) * SECS_PER_DAY));
#else
result = (pg_time_t) (t +
((POSTGRES_EPOCH_JDATE - UNIX_EPOCH_JDATE) * SECS_PER_DAY));
#endif
return result;
}
| Datum timestamptz_trunc | ( | PG_FUNCTION_ARGS | ) |
Definition at line 3535 of file timestamp.c.
References date2isoweek(), DecodeUnits(), DetermineTimeZoneOffset(), downcase_truncate_identifier(), DTK_CENTURY, DTK_DAY, DTK_DECADE, DTK_HOUR, DTK_MICROSEC, DTK_MILLENNIUM, DTK_MILLISEC, DTK_MINUTE, DTK_MONTH, DTK_QUARTER, DTK_SECOND, DTK_WEEK, DTK_YEAR, ereport, errcode(), errmsg(), ERROR, isoweek2date(), MONTHS_PER_YEAR, NULL, PG_GETARG_TEXT_PP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_TIMESTAMPTZ, session_timezone, timestamp2tm(), TIMESTAMP_NOT_FINITE, tm, tm2timestamp(), pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, UNITS, val, VARDATA_ANY, and VARSIZE_ANY_EXHDR.
{
text *units = PG_GETARG_TEXT_PP(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(1);
TimestampTz result;
int tz;
int type,
val;
bool redotz = false;
char *lowunits;
fsec_t fsec;
struct pg_tm tt,
*tm = &tt;
if (TIMESTAMP_NOT_FINITE(timestamp))
PG_RETURN_TIMESTAMPTZ(timestamp);
lowunits = downcase_truncate_identifier(VARDATA_ANY(units),
VARSIZE_ANY_EXHDR(units),
false);
type = DecodeUnits(0, lowunits, &val);
if (type == UNITS)
{
if (timestamp2tm(timestamp, &tz, tm, &fsec, NULL, NULL) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
switch (val)
{
case DTK_WEEK:
{
int woy;
woy = date2isoweek(tm->tm_year, tm->tm_mon, tm->tm_mday);
/*
* If it is week 52/53 and the month is January, then the
* week must belong to the previous year. Also, some
* December dates belong to the next year.
*/
if (woy >= 52 && tm->tm_mon == 1)
--tm->tm_year;
if (woy <= 1 && tm->tm_mon == MONTHS_PER_YEAR)
++tm->tm_year;
isoweek2date(woy, &(tm->tm_year), &(tm->tm_mon), &(tm->tm_mday));
tm->tm_hour = 0;
tm->tm_min = 0;
tm->tm_sec = 0;
fsec = 0;
redotz = true;
break;
}
/* one may consider DTK_THOUSAND and DTK_HUNDRED... */
case DTK_MILLENNIUM:
/*
* truncating to the millennium? what is this supposed to
* mean? let us put the first year of the millennium... i.e.
* -1000, 1, 1001, 2001...
*/
if (tm->tm_year > 0)
tm->tm_year = ((tm->tm_year + 999) / 1000) * 1000 - 999;
else
tm->tm_year = -((999 - (tm->tm_year - 1)) / 1000) * 1000 + 1;
/* FALL THRU */
case DTK_CENTURY:
/* truncating to the century? as above: -100, 1, 101... */
if (tm->tm_year > 0)
tm->tm_year = ((tm->tm_year + 99) / 100) * 100 - 99;
else
tm->tm_year = -((99 - (tm->tm_year - 1)) / 100) * 100 + 1;
/* FALL THRU */
case DTK_DECADE:
/*
* truncating to the decade? first year of the decade. must
* not be applied if year was truncated before!
*/
if (val != DTK_MILLENNIUM && val != DTK_CENTURY)
{
if (tm->tm_year > 0)
tm->tm_year = (tm->tm_year / 10) * 10;
else
tm->tm_year = -((8 - (tm->tm_year - 1)) / 10) * 10;
}
/* FALL THRU */
case DTK_YEAR:
tm->tm_mon = 1;
/* FALL THRU */
case DTK_QUARTER:
tm->tm_mon = (3 * ((tm->tm_mon - 1) / 3)) + 1;
/* FALL THRU */
case DTK_MONTH:
tm->tm_mday = 1;
/* FALL THRU */
case DTK_DAY:
tm->tm_hour = 0;
redotz = true; /* for all cases >= DAY */
/* FALL THRU */
case DTK_HOUR:
tm->tm_min = 0;
/* FALL THRU */
case DTK_MINUTE:
tm->tm_sec = 0;
/* FALL THRU */
case DTK_SECOND:
fsec = 0;
break;
case DTK_MILLISEC:
#ifdef HAVE_INT64_TIMESTAMP
fsec = (fsec / 1000) * 1000;
#else
fsec = floor(fsec * 1000) / 1000;
#endif
break;
case DTK_MICROSEC:
#ifndef HAVE_INT64_TIMESTAMP
fsec = floor(fsec * 1000000) / 1000000;
#endif
break;
default:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("timestamp with time zone units \"%s\" not "
"supported", lowunits)));
result = 0;
}
if (redotz)
tz = DetermineTimeZoneOffset(tm, session_timezone);
if (tm2timestamp(tm, fsec, &tz, &result) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("timestamp with time zone units \"%s\" not recognized",
lowunits)));
result = 0;
}
PG_RETURN_TIMESTAMPTZ(result);
}
| Datum timestamptz_zone | ( | PG_FUNCTION_ARGS | ) |
Definition at line 4700 of file timestamp.c.
References DecodeSpecial(), downcase_truncate_identifier(), dt2local(), DTZ, ereport, errcode(), errmsg(), ERROR, NULL, PG_GETARG_TEXT_PP, PG_GETARG_TIMESTAMPTZ, PG_RETURN_TIMESTAMP, pg_tzset(), text_to_cstring_buffer(), timestamp2tm(), TIMESTAMP_NOT_FINITE, tm2timestamp(), TZ, TZ_STRLEN_MAX, and val.
{
text *zone = PG_GETARG_TEXT_PP(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(1);
Timestamp result;
int tz;
char tzname[TZ_STRLEN_MAX + 1];
char *lowzone;
int type,
val;
pg_tz *tzp;
if (TIMESTAMP_NOT_FINITE(timestamp))
PG_RETURN_TIMESTAMP(timestamp);
/*
* Look up the requested timezone. First we look in the date token table
* (to handle cases like "EST"), and if that fails, we look in the
* timezone database (to handle cases like "America/New_York"). (This
* matches the order in which timestamp input checks the cases; it's
* important because the timezone database unwisely uses a few zone names
* that are identical to offset abbreviations.)
*/
text_to_cstring_buffer(zone, tzname, sizeof(tzname));
lowzone = downcase_truncate_identifier(tzname,
strlen(tzname),
false);
type = DecodeSpecial(0, lowzone, &val);
if (type == TZ || type == DTZ)
{
tz = val * MINS_PER_HOUR;
result = dt2local(timestamp, tz);
}
else
{
tzp = pg_tzset(tzname);
if (tzp)
{
/* Apply the timezone change */
struct pg_tm tm;
fsec_t fsec;
if (timestamp2tm(timestamp, &tz, &tm, &fsec, NULL, tzp) != 0)
ereport(ERROR,
(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
errmsg("timestamp out of range")));
if (tm2timestamp(&tm, fsec, NULL, &result) != 0)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("could not convert to time zone \"%s\"",
tzname)));
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("time zone \"%s\" not recognized", tzname)));
result = 0; /* keep compiler quiet */
}
}
PG_RETURN_TIMESTAMP(result);
}
| Datum timestamptztypmodin | ( | PG_FUNCTION_ARGS | ) |
Definition at line 567 of file timestamp.c.
References anytimestamp_typmodin(), PG_GETARG_ARRAYTYPE_P, and PG_RETURN_INT32.
{
ArrayType *ta = PG_GETARG_ARRAYTYPE_P(0);
PG_RETURN_INT32(anytimestamp_typmodin(true, ta));
}
| Datum timestamptztypmodout | ( | PG_FUNCTION_ARGS | ) |
Definition at line 575 of file timestamp.c.
References anytimestamp_typmodout(), PG_GETARG_INT32, and PG_RETURN_CSTRING.
{
int32 typmod = PG_GETARG_INT32(0);
PG_RETURN_CSTRING(anytimestamp_typmodout(true, typmod));
}
Definition at line 1756 of file timestamp.c.
References Interval::day, INT64CONST, MINS_PER_HOUR, Interval::month, MONTHS_PER_YEAR, Interval::time, pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, and pg_tm::tm_year.
Referenced by interval_in(), interval_trunc(), pg_timezone_abbrevs(), pg_timezone_names(), PGTYPESinterval_from_asc(), timestamp_age(), and timestamptz_age().
{
span->month = tm->tm_year * MONTHS_PER_YEAR + tm->tm_mon;
span->day = tm->tm_mday;
#ifdef HAVE_INT64_TIMESTAMP
span->time = (((((tm->tm_hour * INT64CONST(60)) +
tm->tm_min) * INT64CONST(60)) +
tm->tm_sec) * USECS_PER_SEC) + fsec;
#else
span->time = (((tm->tm_hour * (double) MINS_PER_HOUR) +
tm->tm_min) * (double) SECS_PER_MINUTE) +
tm->tm_sec + fsec;
#endif
return 0;
}
Definition at line 1669 of file timestamp.c.
References date2j(), dt2local(), IS_VALID_JULIAN, NULL, SECS_PER_DAY, time2t(), pg_tm::tm_hour, pg_tm::tm_mday, pg_tm::tm_min, pg_tm::tm_mon, pg_tm::tm_sec, pg_tm::tm_year, and USECS_PER_DAY.
Referenced by abstime_timestamp(), abstime_timestamptz(), PGTYPEStimestamp_add_interval(), PGTYPEStimestamp_current(), PGTYPEStimestamp_defmt_scan(), PGTYPEStimestamp_from_asc(), SetEpochTimestamp(), timestamp2timestamptz(), timestamp_in(), timestamp_pl_interval(), timestamp_trunc(), timestamp_zone(), timestamptz_in(), timestamptz_pl_interval(), timestamptz_timestamp(), timestamptz_trunc(), timestamptz_zone(), and to_timestamp().
{
TimeOffset date;
TimeOffset time;
/* Julian day routines are not correct for negative Julian days */
if (!IS_VALID_JULIAN(tm->tm_year, tm->tm_mon, tm->tm_mday))
{
*result = 0; /* keep compiler quiet */
return -1;
}
date = date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - POSTGRES_EPOCH_JDATE;
time = time2t(tm->tm_hour, tm->tm_min, tm->tm_sec, fsec);
#ifdef HAVE_INT64_TIMESTAMP
*result = date * USECS_PER_DAY + time;
/* check for major overflow */
if ((*result - time) / USECS_PER_DAY != date)
{
*result = 0; /* keep compiler quiet */
return -1;
}
/* check for just-barely overflow (okay except time-of-day wraps) */
/* caution: we want to allow 1999-12-31 24:00:00 */
if ((*result < 0 && date > 0) ||
(*result > 0 && date < -1))
{
*result = 0; /* keep compiler quiet */
return -1;
}
#else
*result = date * SECS_PER_DAY + time;
#endif
if (tzp != NULL)
*result = dt2local(*result, -(*tzp));
return 0;
}
Definition at line 49 of file timestamp.c.
Referenced by pg_conf_load_time().
Definition at line 46 of file timestamp.c.
Referenced by pg_postmaster_start_time(), PostgresMain(), and PostmasterMain().
1.7.1