btree_time.c File Reference

#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/fmgrprotos.h"
#include "utils/date.h"
#include "utils/rel.h"
#include "utils/sortsupport.h"
#include "utils/timestamp.h"

Include dependency graph for btree_time.c:

Go to the source code of this file.

Data Structures
struct	timeKEY

Functions
	PG_FUNCTION_INFO_V1 (gbt_time_compress)
	PG_FUNCTION_INFO_V1 (gbt_timetz_compress)
	PG_FUNCTION_INFO_V1 (gbt_time_fetch)
	PG_FUNCTION_INFO_V1 (gbt_time_union)
	PG_FUNCTION_INFO_V1 (gbt_time_picksplit)
	PG_FUNCTION_INFO_V1 (gbt_time_consistent)
	PG_FUNCTION_INFO_V1 (gbt_time_distance)
	PG_FUNCTION_INFO_V1 (gbt_timetz_consistent)
	PG_FUNCTION_INFO_V1 (gbt_time_penalty)
	PG_FUNCTION_INFO_V1 (gbt_time_same)
	PG_FUNCTION_INFO_V1 (gbt_time_sortsupport)
	PG_FUNCTION_INFO_V1 (gbt_timetz_sortsupport)
static bool	gbt_timegt (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_timege (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_timeeq (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_timele (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_timelt (const void *a, const void *b, FmgrInfo *flinfo)
static int	gbt_timekey_cmp (const void *a, const void *b, FmgrInfo *flinfo)
static float8	gbt_time_dist (const void *a, const void *b, FmgrInfo *flinfo)
	PG_FUNCTION_INFO_V1 (time_dist)
Datum	time_dist (PG_FUNCTION_ARGS)
Datum	gbt_time_compress (PG_FUNCTION_ARGS)
Datum	gbt_timetz_compress (PG_FUNCTION_ARGS)
Datum	gbt_time_fetch (PG_FUNCTION_ARGS)
Datum	gbt_time_consistent (PG_FUNCTION_ARGS)
Datum	gbt_time_distance (PG_FUNCTION_ARGS)
Datum	gbt_timetz_consistent (PG_FUNCTION_ARGS)
Datum	gbt_time_union (PG_FUNCTION_ARGS)
Datum	gbt_time_penalty (PG_FUNCTION_ARGS)
Datum	gbt_time_picksplit (PG_FUNCTION_ARGS)
Datum	gbt_time_same (PG_FUNCTION_ARGS)
static int	gbt_timekey_ssup_cmp (Datum x, Datum y, SortSupport ssup)
Datum	gbt_time_sortsupport (PG_FUNCTION_ARGS)

Variables
static const gbtree_ninfo	tinfo

Function Documentation

gbt_time_compress()

Datum gbt_time_compress

(

PG_FUNCTION_ARGS

)

Definition at line 150 of file btree_time.c.

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

References gbt_num_compress(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_time_consistent()

Datum gbt_time_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 192 of file btree_time.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    TimeADT     query = PG_GETARG_TIMEADT(1);
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    bool       *recheck = (bool *) PG_GETARG_POINTER(4);
    timeKEY    *kkk = (timeKEY *) 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, &query, &strategy,
                                      GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
}

References DatumGetPointer(), gbt_num_consistent(), GIST_LEAF, GISTENTRY::key, sort-test::key, timeKEY::lower, PG_GETARG_POINTER, PG_GETARG_TIMEADT, PG_GETARG_UINT16, PG_RETURN_BOOL, tinfo, and timeKEY::upper.

gbt_time_dist()

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

static

Definition at line 105 of file btree_time.c.

{
    const TimeADT *aa = (const TimeADT *) a;
    const TimeADT *bb = (const TimeADT *) b;
    Interval   *i;
 
    i = DatumGetIntervalP(DirectFunctionCall2(time_mi_time,
                                              TimeADTGetDatum(*aa),
                                              TimeADTGetDatum(*bb)));
    return fabs(INTERVAL_TO_SEC(i));
}

References a, b, DatumGetIntervalP(), DirectFunctionCall2, i, INTERVAL_TO_SEC, time_mi_time(), and TimeADTGetDatum().

gbt_time_distance()

Datum gbt_time_distance

(

PG_FUNCTION_ARGS

)

Definition at line 214 of file btree_time.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    TimeADT     query = PG_GETARG_TIMEADT(1);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    timeKEY    *kkk = (timeKEY *) 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, &query, GIST_LEAF(entry),
                                      &tinfo, fcinfo->flinfo));
}

References DatumGetPointer(), gbt_num_distance(), GIST_LEAF, GISTENTRY::key, sort-test::key, timeKEY::lower, PG_GETARG_POINTER, PG_GETARG_TIMEADT, PG_RETURN_FLOAT8, tinfo, and timeKEY::upper.

gbt_time_fetch()

Datum gbt_time_fetch

(

PG_FUNCTION_ARGS

)

Definition at line 184 of file btree_time.c.

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

References gbt_num_fetch(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_time_penalty()

Datum gbt_time_penalty

(

PG_FUNCTION_ARGS

)

Definition at line 266 of file btree_time.c.

{
    timeKEY    *origentry = (timeKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
    timeKEY    *newentry = (timeKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
    float      *result = (float *) PG_GETARG_POINTER(2);
    Interval   *intr;
    double      res;
    double      res2;
 
    intr = DatumGetIntervalP(DirectFunctionCall2(time_mi_time,
                                                 TimeADTGetDatum(newentry->upper),
                                                 TimeADTGetDatum(origentry->upper)));
    res = INTERVAL_TO_SEC(intr);
    res = Max(res, 0);
 
    intr = DatumGetIntervalP(DirectFunctionCall2(time_mi_time,
                                                 TimeADTGetDatum(origentry->lower),
                                                 TimeADTGetDatum(newentry->lower)));
    res2 = INTERVAL_TO_SEC(intr);
    res2 = Max(res2, 0);
 
    res += res2;
 
    *result = 0.0;
 
    if (res > 0)
    {
        intr = DatumGetIntervalP(DirectFunctionCall2(time_mi_time,
                                                     TimeADTGetDatum(origentry->upper),
                                                     TimeADTGetDatum(origentry->lower)));
        *result += FLT_MIN;
        *result += (float) (res / (res + INTERVAL_TO_SEC(intr)));
        *result *= (FLT_MAX / (((GISTENTRY *) PG_GETARG_POINTER(0))->rel->rd_att->natts + 1));
    }
 
    PG_RETURN_POINTER(result);
}

References DatumGetIntervalP(), DatumGetPointer(), DirectFunctionCall2, INTERVAL_TO_SEC, sort-test::key, timeKEY::lower, Max, PG_GETARG_POINTER, PG_RETURN_POINTER, time_mi_time(), TimeADTGetDatum(), and timeKEY::upper.

gbt_time_picksplit()

Datum gbt_time_picksplit

(

PG_FUNCTION_ARGS

)

Definition at line 305 of file btree_time.c.

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

References gbt_num_picksplit(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_time_same()

Datum gbt_time_same

(

PG_FUNCTION_ARGS

)

Definition at line 313 of file btree_time.c.

{
    timeKEY    *b1 = (timeKEY *) PG_GETARG_POINTER(0);
    timeKEY    *b2 = (timeKEY *) 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);
}

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

gbt_time_sortsupport()

Datum gbt_time_sortsupport

(

PG_FUNCTION_ARGS

)

Definition at line 336 of file btree_time.c.

{
    SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0);
 
    ssup->comparator = gbt_timekey_ssup_cmp;
    ssup->ssup_extra = NULL;
 
    PG_RETURN_VOID();
}

References SortSupportData::comparator, gbt_timekey_ssup_cmp(), PG_GETARG_POINTER, PG_RETURN_VOID, and SortSupportData::ssup_extra.

gbt_time_union()

Datum gbt_time_union

(

PG_FUNCTION_ARGS

)

Definition at line 256 of file btree_time.c.

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

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

gbt_timeeq()

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

static

Definition at line 58 of file btree_time.c.

{
    const TimeADT *aa = (const TimeADT *) a;
    const TimeADT *bb = (const TimeADT *) b;
 
    return DatumGetBool(DirectFunctionCall2(time_eq,
                                            TimeADTGetDatum(*aa),
                                            TimeADTGetDatum(*bb)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, time_eq(), and TimeADTGetDatum().

gbt_timege()

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

static

Definition at line 47 of file btree_time.c.

{
    const TimeADT *aa = (const TimeADT *) a;
    const TimeADT *bb = (const TimeADT *) b;
 
    return DatumGetBool(DirectFunctionCall2(time_ge,
                                            TimeADTGetDatum(*aa),
                                            TimeADTGetDatum(*bb)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, time_ge(), and TimeADTGetDatum().

gbt_timegt()

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

static

Definition at line 36 of file btree_time.c.

{
    const TimeADT *aa = (const TimeADT *) a;
    const TimeADT *bb = (const TimeADT *) b;
 
    return DatumGetBool(DirectFunctionCall2(time_gt,
                                            TimeADTGetDatum(*aa),
                                            TimeADTGetDatum(*bb)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, time_gt(), and TimeADTGetDatum().

gbt_timekey_cmp()

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

static

Definition at line 91 of file btree_time.c.

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

References a, b, DatumGetInt32(), DirectFunctionCall2, timeKEY::lower, time_cmp(), TimeADTGetDatum(), and timeKEY::upper.

gbt_timekey_ssup_cmp()

static int gbt_timekey_ssup_cmp ( Datum  x, Datum  y, SortSupport  ssup  )

static

Definition at line 324 of file btree_time.c.

{
    timeKEY    *arg1 = (timeKEY *) DatumGetPointer(x);
    timeKEY    *arg2 = (timeKEY *) DatumGetPointer(y);
 
    /* for leaf items we expect lower == upper, so only compare lower */
    return DatumGetInt32(DirectFunctionCall2(time_cmp,
                                             TimeADTGetDatum(arg1->lower),
                                             TimeADTGetDatum(arg2->lower)));
}

References DatumGetInt32(), DatumGetPointer(), DirectFunctionCall2, timeKEY::lower, time_cmp(), TimeADTGetDatum(), x, and y.

Referenced by gbt_time_sortsupport().

gbt_timele()

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

static

Definition at line 69 of file btree_time.c.

{
    const TimeADT *aa = (const TimeADT *) a;
    const TimeADT *bb = (const TimeADT *) b;
 
    return DatumGetBool(DirectFunctionCall2(time_le,
                                            TimeADTGetDatum(*aa),
                                            TimeADTGetDatum(*bb)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, time_le(), and TimeADTGetDatum().

gbt_timelt()

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

static

Definition at line 80 of file btree_time.c.

{
    const TimeADT *aa = (const TimeADT *) a;
    const TimeADT *bb = (const TimeADT *) b;
 
    return DatumGetBool(DirectFunctionCall2(time_lt,
                                            TimeADTGetDatum(*aa),
                                            TimeADTGetDatum(*bb)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, time_lt(), and TimeADTGetDatum().

gbt_timetz_compress()

Datum gbt_timetz_compress

(

PG_FUNCTION_ARGS

)

Definition at line 158 of file btree_time.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    GISTENTRY  *retval;
 
    if (entry->leafkey)
    {
        timeKEY    *r = (timeKEY *) palloc(sizeof(timeKEY));
        TimeTzADT  *tz = DatumGetTimeTzADTP(entry->key);
        TimeADT     tmp;
 
        retval = palloc(sizeof(GISTENTRY));
 
        /* We are using the time + zone only to compress */
        tmp = tz->time + (tz->zone * INT64CONST(1000000));
        r->lower = r->upper = tmp;
        gistentryinit(*retval, PointerGetDatum(r),
                      entry->rel, entry->page,
                      entry->offset, false);
    }
    else
        retval = entry;
    PG_RETURN_POINTER(retval);
}

References DatumGetTimeTzADTP(), gistentryinit, INT64CONST, GISTENTRY::key, GISTENTRY::leafkey, timeKEY::lower, GISTENTRY::offset, GISTENTRY::page, palloc(), PG_GETARG_POINTER, PG_RETURN_POINTER, PointerGetDatum(), GISTENTRY::rel, TimeTzADT::time, timeKEY::upper, and TimeTzADT::zone.

gbt_timetz_consistent()

Datum gbt_timetz_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 231 of file btree_time.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    TimeTzADT  *query = PG_GETARG_TIMETZADT_P(1);
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    bool       *recheck = (bool *) PG_GETARG_POINTER(4);
    timeKEY    *kkk = (timeKEY *) DatumGetPointer(entry->key);
    TimeADT     qqq;
    GBT_NUMKEY_R key;
 
    /* All cases served by this function are inexact */
    *recheck = true;
 
    qqq = query->time + (query->zone * INT64CONST(1000000));
 
    key.lower = (GBT_NUMKEY *) &kkk->lower;
    key.upper = (GBT_NUMKEY *) &kkk->upper;
 
    PG_RETURN_BOOL(gbt_num_consistent(&key, &qqq, &strategy,
                                      GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
}

References DatumGetPointer(), gbt_num_consistent(), GIST_LEAF, INT64CONST, GISTENTRY::key, sort-test::key, timeKEY::lower, PG_GETARG_POINTER, PG_GETARG_TIMETZADT_P, PG_GETARG_UINT16, PG_RETURN_BOOL, TimeTzADT::time, tinfo, timeKEY::upper, and TimeTzADT::zone.

PG_FUNCTION_INFO_V1() [1/13]

PG_FUNCTION_INFO_V1

(

gbt_time_compress

)

PG_FUNCTION_INFO_V1() [2/13]

PG_FUNCTION_INFO_V1

(

gbt_time_consistent

)

PG_FUNCTION_INFO_V1() [3/13]

PG_FUNCTION_INFO_V1

(

gbt_time_distance

)

PG_FUNCTION_INFO_V1() [4/13]

PG_FUNCTION_INFO_V1

(

gbt_time_fetch

)

PG_FUNCTION_INFO_V1() [5/13]

PG_FUNCTION_INFO_V1

(

gbt_time_penalty

)

PG_FUNCTION_INFO_V1() [6/13]

PG_FUNCTION_INFO_V1

(

gbt_time_picksplit

)

PG_FUNCTION_INFO_V1() [7/13]

PG_FUNCTION_INFO_V1

(

gbt_time_same

)

PG_FUNCTION_INFO_V1() [8/13]

PG_FUNCTION_INFO_V1

(

gbt_time_sortsupport

)

PG_FUNCTION_INFO_V1() [9/13]

PG_FUNCTION_INFO_V1

(

gbt_time_union

)

PG_FUNCTION_INFO_V1() [10/13]

PG_FUNCTION_INFO_V1

(

gbt_timetz_compress

)

PG_FUNCTION_INFO_V1() [11/13]

PG_FUNCTION_INFO_V1

(

gbt_timetz_consistent

)

PG_FUNCTION_INFO_V1() [12/13]

PG_FUNCTION_INFO_V1

(

gbt_timetz_sortsupport

)

PG_FUNCTION_INFO_V1() [13/13]

PG_FUNCTION_INFO_V1

(

time_dist

)

time_dist()

Datum time_dist

(

PG_FUNCTION_ARGS

)

Definition at line 135 of file btree_time.c.

{
    Datum       diff = DirectFunctionCall2(time_mi_time,
                                           PG_GETARG_DATUM(0),
                                           PG_GETARG_DATUM(1));
 
    PG_RETURN_INTERVAL_P(abs_interval(DatumGetIntervalP(diff)));
}

References abs_interval(), DatumGetIntervalP(), DirectFunctionCall2, PG_GETARG_DATUM, PG_RETURN_INTERVAL_P, and time_mi_time().

Variable Documentation

tinfo

const gbtree_ninfo tinfo

static

Initial value:

=
{
    gbt_t_time,
    sizeof(TimeADT),
    16,                         
    gbt_timegt,
    gbt_timege,
    gbt_timeeq,
    gbt_timele,
    gbt_timelt,
    gbt_timekey_cmp,
    gbt_time_dist
}

Definition at line 118 of file btree_time.c.

Referenced by gbt_time_compress(), gbt_time_consistent(), gbt_time_distance(), gbt_time_fetch(), gbt_time_picksplit(), gbt_time_same(), gbt_time_union(), and gbt_timetz_consistent().