btree_interval.c File Reference

#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/builtins.h"
#include "utils/timestamp.h"

Include dependency graph for btree_interval.c:

Go to the source code of this file.

Data Structures
struct	intvKEY

Macros
#define	INTERVALSIZE   16

Functions
	PG_FUNCTION_INFO_V1 (gbt_intv_compress)
	PG_FUNCTION_INFO_V1 (gbt_intv_fetch)
	PG_FUNCTION_INFO_V1 (gbt_intv_decompress)
	PG_FUNCTION_INFO_V1 (gbt_intv_union)
	PG_FUNCTION_INFO_V1 (gbt_intv_picksplit)
	PG_FUNCTION_INFO_V1 (gbt_intv_consistent)
	PG_FUNCTION_INFO_V1 (gbt_intv_distance)
	PG_FUNCTION_INFO_V1 (gbt_intv_penalty)
	PG_FUNCTION_INFO_V1 (gbt_intv_same)
static bool	gbt_intvgt (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_intvge (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_intveq (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_intvle (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_intvlt (const void *a, const void *b, FmgrInfo *flinfo)
static int	gbt_intvkey_cmp (const void *a, const void *b, FmgrInfo *flinfo)
static double	intr2num (const Interval *i)
static float8	gbt_intv_dist (const void *a, const void *b, FmgrInfo *flinfo)
Interval *	abs_interval (Interval *a)
	PG_FUNCTION_INFO_V1 (interval_dist)
Datum	interval_dist (PG_FUNCTION_ARGS)
Datum	gbt_intv_compress (PG_FUNCTION_ARGS)
Datum	gbt_intv_fetch (PG_FUNCTION_ARGS)
Datum	gbt_intv_decompress (PG_FUNCTION_ARGS)
Datum	gbt_intv_consistent (PG_FUNCTION_ARGS)
Datum	gbt_intv_distance (PG_FUNCTION_ARGS)
Datum	gbt_intv_union (PG_FUNCTION_ARGS)
Datum	gbt_intv_penalty (PG_FUNCTION_ARGS)
Datum	gbt_intv_picksplit (PG_FUNCTION_ARGS)
Datum	gbt_intv_same (PG_FUNCTION_ARGS)

Variables
static const gbtree_ninfo	tinfo

Macro Definition Documentation

INTERVALSIZE

#define INTERVALSIZE   16

Definition at line 96 of file btree_interval.c.

Function Documentation

abs_interval()

Interval* abs_interval

(

Interval *

a

)

Definition at line 114 of file btree_interval.c.

{
    static Interval zero = {0, 0, 0};
 
    if (DatumGetBool(DirectFunctionCall2(interval_lt,
                                         IntervalPGetDatum(a),
                                         IntervalPGetDatum(&zero))))
        a = DatumGetIntervalP(DirectFunctionCall1(interval_um,
                                                  IntervalPGetDatum(a)));
 
    return a;
}

References a, DatumGetBool(), DatumGetIntervalP(), DirectFunctionCall1, DirectFunctionCall2, interval_lt(), interval_um(), and IntervalPGetDatum().

Referenced by interval_dist(), time_dist(), ts_dist(), and tstz_dist().

gbt_intv_compress()

Datum gbt_intv_compress

(

PG_FUNCTION_ARGS

)

Definition at line 145 of file btree_interval.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    GISTENTRY  *retval = entry;
 
    if (entry->leafkey || INTERVALSIZE != sizeof(Interval))
    {
        char       *r = (char *) palloc(2 * INTERVALSIZE);
 
        retval = palloc(sizeof(GISTENTRY));
 
        if (entry->leafkey)
        {
            Interval   *key = DatumGetIntervalP(entry->key);
 
            memcpy(r, key, INTERVALSIZE);
            memcpy(r + INTERVALSIZE, key, INTERVALSIZE);
        }
        else
        {
            intvKEY    *key = (intvKEY *) DatumGetPointer(entry->key);
 
            memcpy(r, &key->lower, INTERVALSIZE);
            memcpy(r + INTERVALSIZE, &key->upper, INTERVALSIZE);
        }
        gistentryinit(*retval, PointerGetDatum(r),
                      entry->rel, entry->page,
                      entry->offset, false);
    }
 
    PG_RETURN_POINTER(retval);
}

References DatumGetIntervalP(), DatumGetPointer(), gistentryinit, INTERVALSIZE, GISTENTRY::key, sort-test::key, GISTENTRY::leafkey, GISTENTRY::offset, GISTENTRY::page, palloc(), PG_GETARG_POINTER, PG_RETURN_POINTER, PointerGetDatum(), and GISTENTRY::rel.

gbt_intv_consistent()

Datum gbt_intv_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 210 of file btree_interval.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    Interval   *query = PG_GETARG_INTERVAL_P(1);
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    bool       *recheck = (bool *) PG_GETARG_POINTER(4);
    intvKEY    *kkk = (intvKEY *) 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));
}

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

gbt_intv_decompress()

Datum gbt_intv_decompress

(

PG_FUNCTION_ARGS

)

Definition at line 187 of file btree_interval.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    GISTENTRY  *retval = entry;
 
    if (INTERVALSIZE != sizeof(Interval))
    {
        intvKEY    *r = palloc(sizeof(intvKEY));
        char       *key = DatumGetPointer(entry->key);
 
        retval = palloc(sizeof(GISTENTRY));
        memcpy(&r->lower, key, INTERVALSIZE);
        memcpy(&r->upper, key + INTERVALSIZE, INTERVALSIZE);
 
        gistentryinit(*retval, PointerGetDatum(r),
                      entry->rel, entry->page,
                      entry->offset, false);
    }
    PG_RETURN_POINTER(retval);
}

References DatumGetPointer(), gistentryinit, INTERVALSIZE, GISTENTRY::key, sort-test::key, intvKEY::lower, GISTENTRY::offset, GISTENTRY::page, palloc(), PG_GETARG_POINTER, PG_RETURN_POINTER, PointerGetDatum(), GISTENTRY::rel, and intvKEY::upper.

gbt_intv_dist()

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

static

Definition at line 84 of file btree_interval.c.

{
    return fabs(intr2num((const Interval *) a) - intr2num((const Interval *) b));
}

References a, b, and intr2num().

gbt_intv_distance()

Datum gbt_intv_distance

(

PG_FUNCTION_ARGS

)

Definition at line 233 of file btree_interval.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    Interval   *query = PG_GETARG_INTERVAL_P(1);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    intvKEY    *kkk = (intvKEY *) 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));
}

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

gbt_intv_fetch()

Datum gbt_intv_fetch

(

PG_FUNCTION_ARGS

)

Definition at line 179 of file btree_interval.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_intv_penalty()

Datum gbt_intv_penalty

(

PG_FUNCTION_ARGS

)

Definition at line 262 of file btree_interval.c.

{
    intvKEY    *origentry = (intvKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
    intvKEY    *newentry = (intvKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
    float      *result = (float *) PG_GETARG_POINTER(2);
    double      iorg[2],
                inew[2];
 
    iorg[0] = intr2num(&origentry->lower);
    iorg[1] = intr2num(&origentry->upper);
    inew[0] = intr2num(&newentry->lower);
    inew[1] = intr2num(&newentry->upper);
 
    penalty_num(result, iorg[0], iorg[1], inew[0], inew[1]);
 
    PG_RETURN_POINTER(result);
}

References DatumGetPointer(), intr2num(), sort-test::key, intvKEY::lower, penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, and intvKEY::upper.

gbt_intv_picksplit()

Datum gbt_intv_picksplit

(

PG_FUNCTION_ARGS

)

Definition at line 281 of file btree_interval.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_intv_same()

Datum gbt_intv_same

(

PG_FUNCTION_ARGS

)

Definition at line 289 of file btree_interval.c.

{
    intvKEY    *b1 = (intvKEY *) PG_GETARG_POINTER(0);
    intvKEY    *b2 = (intvKEY *) 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_intv_union()

Datum gbt_intv_union

(

PG_FUNCTION_ARGS

)

Definition at line 251 of file btree_interval.c.

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

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

gbt_intveq()

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

static

Definition at line 45 of file btree_interval.c.

{
    return DatumGetBool(DirectFunctionCall2(interval_eq, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, interval_eq(), and IntervalPGetDatum().

gbt_intvge()

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

static

Definition at line 39 of file btree_interval.c.

{
    return DatumGetBool(DirectFunctionCall2(interval_ge, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, interval_ge(), and IntervalPGetDatum().

gbt_intvgt()

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

static

Definition at line 33 of file btree_interval.c.

{
    return DatumGetBool(DirectFunctionCall2(interval_gt, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, interval_gt(), and IntervalPGetDatum().

gbt_intvkey_cmp()

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

static

Definition at line 63 of file btree_interval.c.

{
    intvKEY    *ia = (intvKEY *) (((const Nsrt *) a)->t);
    intvKEY    *ib = (intvKEY *) (((const Nsrt *) b)->t);
    int         res;
 
    res = DatumGetInt32(DirectFunctionCall2(interval_cmp, IntervalPGetDatum(&ia->lower), IntervalPGetDatum(&ib->lower)));
    if (res == 0)
        return DatumGetInt32(DirectFunctionCall2(interval_cmp, IntervalPGetDatum(&ia->upper), IntervalPGetDatum(&ib->upper)));
 
    return res;
}

References a, b, DatumGetInt32(), DirectFunctionCall2, interval_cmp(), IntervalPGetDatum(), intvKEY::lower, res, and intvKEY::upper.

gbt_intvle()

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

static

Definition at line 51 of file btree_interval.c.

{
    return DatumGetBool(DirectFunctionCall2(interval_le, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, interval_le(), and IntervalPGetDatum().

gbt_intvlt()

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

static

Definition at line 57 of file btree_interval.c.

{
    return DatumGetBool(DirectFunctionCall2(interval_lt, IntervalPGetDatum(a), IntervalPGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2, interval_lt(), and IntervalPGetDatum().

interval_dist()

Datum interval_dist

(

PG_FUNCTION_ARGS

)

Definition at line 129 of file btree_interval.c.

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

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

intr2num()

static double intr2num ( const Interval *  i )

static

Definition at line 78 of file btree_interval.c.

{
    return INTERVAL_TO_SEC(i);
}

References i, and INTERVAL_TO_SEC.

Referenced by gbt_intv_dist(), and gbt_intv_penalty().

PG_FUNCTION_INFO_V1() [1/10]

PG_FUNCTION_INFO_V1

(

gbt_intv_compress

)

PG_FUNCTION_INFO_V1() [2/10]

PG_FUNCTION_INFO_V1

(

gbt_intv_consistent

)

PG_FUNCTION_INFO_V1() [3/10]

PG_FUNCTION_INFO_V1

(

gbt_intv_decompress

)

PG_FUNCTION_INFO_V1() [4/10]

PG_FUNCTION_INFO_V1

(

gbt_intv_distance

)

PG_FUNCTION_INFO_V1() [5/10]

PG_FUNCTION_INFO_V1

(

gbt_intv_fetch

)

PG_FUNCTION_INFO_V1() [6/10]

PG_FUNCTION_INFO_V1

(

gbt_intv_penalty

)

PG_FUNCTION_INFO_V1() [7/10]

PG_FUNCTION_INFO_V1

(

gbt_intv_picksplit

)

PG_FUNCTION_INFO_V1() [8/10]

PG_FUNCTION_INFO_V1

(

gbt_intv_same

)

PG_FUNCTION_INFO_V1() [9/10]

PG_FUNCTION_INFO_V1

(

gbt_intv_union

)

PG_FUNCTION_INFO_V1() [10/10]

PG_FUNCTION_INFO_V1

(

interval_dist

)

Variable Documentation

tinfo

const gbtree_ninfo tinfo

static

Initial value:

=
{
    gbt_t_intv,
    sizeof(Interval),
    32,                         
    gbt_intvgt,
    gbt_intvge,
    gbt_intveq,
    gbt_intvle,
    gbt_intvlt,
    gbt_intvkey_cmp,
    gbt_intv_dist
}

Definition at line 98 of file btree_interval.c.

Referenced by gbt_intv_consistent(), gbt_intv_distance(), gbt_intv_fetch(), gbt_intv_picksplit(), gbt_intv_same(), and gbt_intv_union().