#include "postgres.h"
#include <limits.h>
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/builtins.h"
#include "utils/datetime.h"

Include dependency graph for btree_ts.c:

Go to the source code of this file.

Data Structures
struct	tsKEY

Macros
#define	TimestampGetDatumFast(X) PointerGetDatum(&(X))

#define	penalty_check_max_float(val)

Functions
	PG_FUNCTION_INFO_V1 (gbt_ts_compress)

	PG_FUNCTION_INFO_V1 (gbt_tstz_compress)

	PG_FUNCTION_INFO_V1 (gbt_ts_fetch)

	PG_FUNCTION_INFO_V1 (gbt_ts_union)

	PG_FUNCTION_INFO_V1 (gbt_ts_picksplit)

	PG_FUNCTION_INFO_V1 (gbt_ts_consistent)

	PG_FUNCTION_INFO_V1 (gbt_ts_distance)

	PG_FUNCTION_INFO_V1 (gbt_tstz_consistent)

	PG_FUNCTION_INFO_V1 (gbt_tstz_distance)

	PG_FUNCTION_INFO_V1 (gbt_ts_penalty)

	PG_FUNCTION_INFO_V1 (gbt_ts_same)

static bool	gbt_tsgt (const void a, const void b, FmgrInfo *flinfo)

static bool	gbt_tsge (const void a, const void b, FmgrInfo *flinfo)

static bool	gbt_tseq (const void a, const void b, FmgrInfo *flinfo)

static bool	gbt_tsle (const void a, const void b, FmgrInfo *flinfo)

static bool	gbt_tslt (const void a, const void b, FmgrInfo *flinfo)

static int	gbt_tskey_cmp (const void a, const void b, FmgrInfo *flinfo)

static float8	gbt_ts_dist (const void a, const void b, FmgrInfo *flinfo)

	PG_FUNCTION_INFO_V1 (ts_dist)

Datum	ts_dist (PG_FUNCTION_ARGS)

	PG_FUNCTION_INFO_V1 (tstz_dist)

Datum	tstz_dist (PG_FUNCTION_ARGS)

static Timestamp	tstz_to_ts_gmt (TimestampTz ts)

Datum	gbt_ts_compress (PG_FUNCTION_ARGS)

Datum	gbt_tstz_compress (PG_FUNCTION_ARGS)

Datum	gbt_ts_fetch (PG_FUNCTION_ARGS)

Datum	gbt_ts_consistent (PG_FUNCTION_ARGS)

Datum	gbt_ts_distance (PG_FUNCTION_ARGS)

Datum	gbt_tstz_consistent (PG_FUNCTION_ARGS)

Datum	gbt_tstz_distance (PG_FUNCTION_ARGS)

Datum	gbt_ts_union (PG_FUNCTION_ARGS)

Datum	gbt_ts_penalty (PG_FUNCTION_ARGS)

Datum	gbt_ts_picksplit (PG_FUNCTION_ARGS)

Datum	gbt_ts_same (PG_FUNCTION_ARGS)

Variables
static const gbtree_ninfo	tinfo

Macro Definition Documentation

#define penalty_check_max_float ( val )

Value:

do { \
        if ( val > FLT_MAX ) \
				val = FLT_MAX; \
        if ( val < -FLT_MAX ) \
				val = -FLT_MAX; \
} while(false);

Definition at line 347 of file btree_ts.c.

Referenced by gbt_ts_penalty().

#define TimestampGetDatumFast ( X ) PointerGetDatum(&(X))

Definition at line 38 of file btree_ts.c.

Referenced by gbt_ts_dist(), gbt_tseq(), gbt_tsge(), gbt_tsgt(), gbt_tskey_cmp(), gbt_tsle(), and gbt_tslt().

Function Documentation

Datum gbt_ts_compress ( PG_FUNCTION_ARGS )

Definition at line 207 of file btree_ts.c.

References gbt_num_compress(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
 
     PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
 }

Datum gbt_ts_consistent ( PG_FUNCTION_ARGS )

Definition at line 250 of file btree_ts.c.

References DatumGetPointer, gbt_num_consistent(), GIST_LEAF, GISTENTRY::key, tsKEY::lower, GBT_NUMKEY_R::lower, PG_GETARG_POINTER, PG_GETARG_TIMESTAMP, PG_GETARG_UINT16, PG_RETURN_BOOL, tsKEY::upper, and GBT_NUMKEY_R::upper.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     Timestamp   query = PG_GETARG_TIMESTAMP(1);
     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
     /* Oid      subtype = PG_GETARG_OID(3); */
     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     tsKEY      *kkk = (tsKEY *) DatumGetPointer(entry->key);
     GBT_NUMKEY_R key;
 
     /* All cases served by this function are exact */
     *recheck = false;
 
     key.lower = (GBT_NUMKEY *) &kkk->lower;
     key.upper = (GBT_NUMKEY *) &kkk->upper;
 
     PG_RETURN_BOOL(
                    gbt_num_consistent(&key, (void *) &query, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
         );
 }

static float8 gbt_ts_dist	(	const void *	a,
		const void *	b,
		FmgrInfo *	flinfo
	)

static

Definition at line 113 of file btree_ts.c.

References Abs, DatumGetIntervalP, DirectFunctionCall2, get_float8_infinity(), i, INTERVAL_TO_SEC, timestamp_mi(), TIMESTAMP_NOT_FINITE, and TimestampGetDatumFast.

 {
     const Timestamp *aa = (const Timestamp *) a;
     const Timestamp *bb = (const Timestamp *) b;
     Interval   *i;
 
     if (TIMESTAMP_NOT_FINITE(*aa) || TIMESTAMP_NOT_FINITE(*bb))
         return get_float8_infinity();
 
     i = DatumGetIntervalP(DirectFunctionCall2(timestamp_mi,
                                               TimestampGetDatumFast(*aa),
                                               TimestampGetDatumFast(*bb)));
     return (float8) Abs(INTERVAL_TO_SEC(i));
 }

Datum gbt_ts_distance ( PG_FUNCTION_ARGS )

Definition at line 273 of file btree_ts.c.

References DatumGetPointer, gbt_num_distance(), GIST_LEAF, GISTENTRY::key, tsKEY::lower, GBT_NUMKEY_R::lower, PG_GETARG_POINTER, PG_GETARG_TIMESTAMP, PG_RETURN_FLOAT8, tsKEY::upper, and GBT_NUMKEY_R::upper.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     Timestamp   query = PG_GETARG_TIMESTAMP(1);
 
     /* Oid      subtype = PG_GETARG_OID(3); */
     tsKEY      *kkk = (tsKEY *) DatumGetPointer(entry->key);
     GBT_NUMKEY_R key;
 
     key.lower = (GBT_NUMKEY *) &kkk->lower;
     key.upper = (GBT_NUMKEY *) &kkk->upper;
 
     PG_RETURN_FLOAT8(
                      gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
         );
 }

Datum gbt_ts_fetch ( PG_FUNCTION_ARGS )

Definition at line 242 of file btree_ts.c.

References gbt_num_fetch(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
 
     PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
 }

Datum gbt_ts_penalty ( PG_FUNCTION_ARGS )

Definition at line 356 of file btree_ts.c.

References DatumGetPointer, tsKEY::lower, penalty_check_max_float, penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, result, and tsKEY::upper.

 {
     tsKEY      *origentry = (tsKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
     tsKEY      *newentry = (tsKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
     float      *result = (float *) PG_GETARG_POINTER(2);
 
     double      orgdbl[2],
                 newdbl[2];
 
     /*
      * We are always using "double" timestamps here. Precision should be good
      * enough.
      */
     orgdbl[0] = ((double) origentry->lower);
     orgdbl[1] = ((double) origentry->upper);
     newdbl[0] = ((double) newentry->lower);
     newdbl[1] = ((double) newentry->upper);
 
     penalty_check_max_float(orgdbl[0]);
     penalty_check_max_float(orgdbl[1]);
     penalty_check_max_float(newdbl[0]);
     penalty_check_max_float(newdbl[1]);
 
     penalty_num(result, orgdbl[0], orgdbl[1], newdbl[0], newdbl[1]);
 
     PG_RETURN_POINTER(result);
 
 }

Datum gbt_ts_picksplit ( PG_FUNCTION_ARGS )

Definition at line 387 of file btree_ts.c.

References gbt_num_picksplit(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

 {
     PG_RETURN_POINTER(gbt_num_picksplit(
                                         (GistEntryVector *) PG_GETARG_POINTER(0),
                                         (GIST_SPLITVEC *) PG_GETARG_POINTER(1),
                                         &tinfo, fcinfo->flinfo
                                         ));
 }

Datum gbt_ts_same ( PG_FUNCTION_ARGS )

Definition at line 397 of file btree_ts.c.

References gbt_num_same(), PG_GETARG_POINTER, PG_RETURN_POINTER, and result.

 {
     tsKEY      *b1 = (tsKEY *) PG_GETARG_POINTER(0);
     tsKEY      *b2 = (tsKEY *) PG_GETARG_POINTER(1);
     bool       *result = (bool *) PG_GETARG_POINTER(2);
 
     *result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
     PG_RETURN_POINTER(result);
 }

Datum gbt_ts_union ( PG_FUNCTION_ARGS )

Definition at line 337 of file btree_ts.c.

References gbt_num_union(), palloc(), PG_GETARG_POINTER, and PG_RETURN_POINTER.

 {
     GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
     void       *out = palloc(sizeof(tsKEY));
 
     *(int *) PG_GETARG_POINTER(1) = sizeof(tsKEY);
     PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
 }

static bool gbt_tseq	(	const void *	a,
		const void *	b,
		FmgrInfo *	flinfo
	)

static

Definition at line 65 of file btree_ts.c.

References DatumGetBool, DirectFunctionCall2, timestamp_eq(), and TimestampGetDatumFast.

 {
     const Timestamp *aa = (const Timestamp *) a;
     const Timestamp *bb = (const Timestamp *) b;
 
     return DatumGetBool(DirectFunctionCall2(timestamp_eq,
                                             TimestampGetDatumFast(*aa),
                                             TimestampGetDatumFast(*bb)));
 }

static bool gbt_tsge	(	const void *	a,
		const void *	b,
		FmgrInfo *	flinfo
	)

static

Definition at line 54 of file btree_ts.c.

References DatumGetBool, DirectFunctionCall2, timestamp_ge(), and TimestampGetDatumFast.

 {
     const Timestamp *aa = (const Timestamp *) a;
     const Timestamp *bb = (const Timestamp *) b;
 
     return DatumGetBool(DirectFunctionCall2(timestamp_ge,
                                             TimestampGetDatumFast(*aa),
                                             TimestampGetDatumFast(*bb)));
 }

static bool gbt_tsgt	(	const void *	a,
		const void *	b,
		FmgrInfo *	flinfo
	)

static

Definition at line 43 of file btree_ts.c.

References DatumGetBool, DirectFunctionCall2, timestamp_gt(), and TimestampGetDatumFast.

 {
     const Timestamp *aa = (const Timestamp *) a;
     const Timestamp *bb = (const Timestamp *) b;
 
     return DatumGetBool(DirectFunctionCall2(timestamp_gt,
                                             TimestampGetDatumFast(*aa),
                                             TimestampGetDatumFast(*bb)));
 }

static int gbt_tskey_cmp	(	const void *	a,
		const void *	b,
		FmgrInfo *	flinfo
	)

static

Definition at line 99 of file btree_ts.c.

References DatumGetInt32, DirectFunctionCall2, tsKEY::lower, timestamp_cmp(), TimestampGetDatumFast, and tsKEY::upper.

 {
     tsKEY      *ia = (tsKEY *) (((const Nsrt *) a)->t);
     tsKEY      *ib = (tsKEY *) (((const Nsrt *) b)->t);
     int         res;
 
     res = DatumGetInt32(DirectFunctionCall2(timestamp_cmp, TimestampGetDatumFast(ia->lower), TimestampGetDatumFast(ib->lower)));
     if (res == 0)
         return DatumGetInt32(DirectFunctionCall2(timestamp_cmp, TimestampGetDatumFast(ia->upper), TimestampGetDatumFast(ib->upper)));
 
     return res;
 }

static bool gbt_tsle	(	const void *	a,
		const void *	b,
		FmgrInfo *	flinfo
	)

static

Definition at line 76 of file btree_ts.c.

References DatumGetBool, DirectFunctionCall2, timestamp_le(), and TimestampGetDatumFast.

 {
     const Timestamp *aa = (const Timestamp *) a;
     const Timestamp *bb = (const Timestamp *) b;
 
     return DatumGetBool(DirectFunctionCall2(timestamp_le,
                                             TimestampGetDatumFast(*aa),
                                             TimestampGetDatumFast(*bb)));
 }

static bool gbt_tslt	(	const void *	a,
		const void *	b,
		FmgrInfo *	flinfo
	)

static

Definition at line 87 of file btree_ts.c.

References DatumGetBool, DirectFunctionCall2, timestamp_lt(), and TimestampGetDatumFast.

 {
     const Timestamp *aa = (const Timestamp *) a;
     const Timestamp *bb = (const Timestamp *) b;
 
     return DatumGetBool(DirectFunctionCall2(timestamp_lt,
                                             TimestampGetDatumFast(*aa),
                                             TimestampGetDatumFast(*bb)));
 }

Datum gbt_tstz_compress ( PG_FUNCTION_ARGS )

Definition at line 216 of file btree_ts.c.

References DatumGetTimestampTz, FALSE, gistentryinit, gmt, GISTENTRY::key, GISTENTRY::leafkey, tsKEY::lower, GISTENTRY::offset, GISTENTRY::page, palloc(), PG_GETARG_POINTER, PG_RETURN_POINTER, PointerGetDatum, GISTENTRY::rel, tstz_to_ts_gmt(), and tsKEY::upper.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     GISTENTRY  *retval;
 
     if (entry->leafkey)
     {
         tsKEY      *r = (tsKEY *) palloc(sizeof(tsKEY));
         TimestampTz ts = DatumGetTimestampTz(entry->key);
         Timestamp   gmt;
 
         gmt = tstz_to_ts_gmt(ts);
 
         retval = palloc(sizeof(GISTENTRY));
         r->lower = r->upper = gmt;
         gistentryinit(*retval, PointerGetDatum(r),
                       entry->rel, entry->page,
                       entry->offset, FALSE);
     }
     else
         retval = entry;
 
     PG_RETURN_POINTER(retval);
 }

Datum gbt_tstz_consistent ( PG_FUNCTION_ARGS )

Definition at line 291 of file btree_ts.c.

References DatumGetPointer, gbt_num_consistent(), GIST_LEAF, GISTENTRY::key, GBT_NUMKEY_R::lower, MAXALIGN, PG_GETARG_POINTER, PG_GETARG_TIMESTAMPTZ, PG_GETARG_UINT16, PG_RETURN_BOOL, gbtree_ninfo::size, tstz_to_ts_gmt(), and GBT_NUMKEY_R::upper.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     TimestampTz query = PG_GETARG_TIMESTAMPTZ(1);
     StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
     /* Oid      subtype = PG_GETARG_OID(3); */
     bool       *recheck = (bool *) PG_GETARG_POINTER(4);
     char       *kkk = (char *) DatumGetPointer(entry->key);
     GBT_NUMKEY_R key;
     Timestamp   qqq;
 
     /* All cases served by this function are exact */
     *recheck = false;
 
     key.lower = (GBT_NUMKEY *) &kkk[0];
     key.upper = (GBT_NUMKEY *) &kkk[MAXALIGN(tinfo.size)];
     qqq = tstz_to_ts_gmt(query);
 
     PG_RETURN_BOOL(
                    gbt_num_consistent(&key, (void *) &qqq, &strategy, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
         );
 }

Datum gbt_tstz_distance ( PG_FUNCTION_ARGS )

Definition at line 316 of file btree_ts.c.

References DatumGetPointer, gbt_num_distance(), GIST_LEAF, GISTENTRY::key, GBT_NUMKEY_R::lower, MAXALIGN, PG_GETARG_POINTER, PG_GETARG_TIMESTAMPTZ, PG_RETURN_FLOAT8, gbtree_ninfo::size, tstz_to_ts_gmt(), and GBT_NUMKEY_R::upper.

 {
     GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
     TimestampTz query = PG_GETARG_TIMESTAMPTZ(1);
 
     /* Oid      subtype = PG_GETARG_OID(3); */
     char       *kkk = (char *) DatumGetPointer(entry->key);
     GBT_NUMKEY_R key;
     Timestamp   qqq;
 
     key.lower = (GBT_NUMKEY *) &kkk[0];
     key.upper = (GBT_NUMKEY *) &kkk[MAXALIGN(tinfo.size)];
     qqq = tstz_to_ts_gmt(query);
 
     PG_RETURN_FLOAT8(
                      gbt_num_distance(&key, (void *) &qqq, GIST_LEAF(entry), &tinfo, fcinfo->flinfo)
         );
 }

PG_FUNCTION_INFO_V1 ( gbt_ts_compress )

PG_FUNCTION_INFO_V1 ( gbt_tstz_compress )

PG_FUNCTION_INFO_V1 ( gbt_ts_fetch )

PG_FUNCTION_INFO_V1 ( gbt_ts_union )

PG_FUNCTION_INFO_V1 ( gbt_ts_picksplit )

PG_FUNCTION_INFO_V1 ( gbt_ts_consistent )

PG_FUNCTION_INFO_V1 ( gbt_ts_distance )

PG_FUNCTION_INFO_V1 ( gbt_tstz_consistent )

PG_FUNCTION_INFO_V1 ( gbt_tstz_distance )

PG_FUNCTION_INFO_V1 ( gbt_ts_penalty )

PG_FUNCTION_INFO_V1 ( gbt_ts_same )

PG_FUNCTION_INFO_V1 ( ts_dist )

PG_FUNCTION_INFO_V1 ( tstz_dist )

Datum ts_dist ( PG_FUNCTION_ARGS )

Definition at line 146 of file btree_ts.c.

References abs_interval(), DatumGetIntervalP, Interval::day, DirectFunctionCall2, Interval::month, palloc(), PG_GETARG_DATUM, PG_GETARG_TIMESTAMP, PG_INT64_MAX, PG_RETURN_INTERVAL_P, Interval::time, timestamp_mi(), and TIMESTAMP_NOT_FINITE.

 {
     Timestamp   a = PG_GETARG_TIMESTAMP(0);
     Timestamp   b = PG_GETARG_TIMESTAMP(1);
     Interval   *r;
 
     if (TIMESTAMP_NOT_FINITE(a) || TIMESTAMP_NOT_FINITE(b))
     {
         Interval   *p = palloc(sizeof(Interval));
 
         p->day = INT_MAX;
         p->month = INT_MAX;
         p->time = PG_INT64_MAX;
         PG_RETURN_INTERVAL_P(p);
     }
     else
         r = DatumGetIntervalP(DirectFunctionCall2(timestamp_mi,
                                                   PG_GETARG_DATUM(0),
                                                   PG_GETARG_DATUM(1)));
     PG_RETURN_INTERVAL_P(abs_interval(r));
 }

Datum tstz_dist ( PG_FUNCTION_ARGS )

Definition at line 170 of file btree_ts.c.

References abs_interval(), DatumGetIntervalP, Interval::day, DirectFunctionCall2, Interval::month, palloc(), PG_GETARG_DATUM, PG_GETARG_TIMESTAMPTZ, PG_INT64_MAX, PG_RETURN_INTERVAL_P, Interval::time, timestamp_mi(), and TIMESTAMP_NOT_FINITE.

 {
     TimestampTz a = PG_GETARG_TIMESTAMPTZ(0);
     TimestampTz b = PG_GETARG_TIMESTAMPTZ(1);
     Interval   *r;
 
     if (TIMESTAMP_NOT_FINITE(a) || TIMESTAMP_NOT_FINITE(b))
     {
         Interval   *p = palloc(sizeof(Interval));
 
         p->day = INT_MAX;
         p->month = INT_MAX;
         p->time = PG_INT64_MAX;
         PG_RETURN_INTERVAL_P(p);
     }
 
     r = DatumGetIntervalP(DirectFunctionCall2(timestamp_mi,
                                               PG_GETARG_DATUM(0),
                                               PG_GETARG_DATUM(1)));
     PG_RETURN_INTERVAL_P(abs_interval(r));
 }

static Timestamp tstz_to_ts_gmt ( TimestampTz ts )

inlinestatic

Definition at line 199 of file btree_ts.c.

Referenced by gbt_tstz_compress(), gbt_tstz_consistent(), and gbt_tstz_distance().

 {
     /* No timezone correction is needed, since GMT is offset 0 by definition */
     return (Timestamp) ts;
 }

Variable Documentation

const gbtree_ninfo tinfo

static

Initial value:

=
{
    gbt_t_ts,
    sizeof(Timestamp),
    16,                         
    gbt_tsgt,
    gbt_tsge,
    gbt_tseq,
    gbt_tsle,
    gbt_tslt,
    gbt_tskey_cmp,
    gbt_ts_dist
}

Definition at line 129 of file btree_ts.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation