btree_bool.c File Reference

#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_num.h"
#include "utils/sortsupport.h"

Include dependency graph for btree_bool.c:

Go to the source code of this file.

Data Structures
struct	boolkey

Typedefs
typedef struct boolkey	boolKEY

Functions
	PG_FUNCTION_INFO_V1 (gbt_bool_compress)
	PG_FUNCTION_INFO_V1 (gbt_bool_fetch)
	PG_FUNCTION_INFO_V1 (gbt_bool_union)
	PG_FUNCTION_INFO_V1 (gbt_bool_picksplit)
	PG_FUNCTION_INFO_V1 (gbt_bool_consistent)
	PG_FUNCTION_INFO_V1 (gbt_bool_penalty)
	PG_FUNCTION_INFO_V1 (gbt_bool_same)
	PG_FUNCTION_INFO_V1 (gbt_bool_sortsupport)
static bool	gbt_boolgt (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_boolge (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_booleq (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_boolle (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_boollt (const void *a, const void *b, FmgrInfo *flinfo)
static int	gbt_boolkey_cmp (const void *a, const void *b, FmgrInfo *flinfo)
Datum	gbt_bool_compress (PG_FUNCTION_ARGS)
Datum	gbt_bool_fetch (PG_FUNCTION_ARGS)
Datum	gbt_bool_consistent (PG_FUNCTION_ARGS)
Datum	gbt_bool_union (PG_FUNCTION_ARGS)
Datum	gbt_bool_penalty (PG_FUNCTION_ARGS)
Datum	gbt_bool_picksplit (PG_FUNCTION_ARGS)
Datum	gbt_bool_same (PG_FUNCTION_ARGS)
static int	gbt_bool_ssup_cmp (Datum x, Datum y, SortSupport ssup)
Datum	gbt_bool_sortsupport (PG_FUNCTION_ARGS)

Variables
static const gbtree_ninfo	tinfo

Typedef Documentation

boolKEY

typedef struct boolkey boolKEY

Function Documentation

gbt_bool_compress()

Datum gbt_bool_compress

(

PG_FUNCTION_ARGS

)

Definition at line 89 of file btree_bool.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_bool_consistent()

Datum gbt_bool_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 105 of file btree_bool.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    bool        query = PG_GETARG_INT16(1);
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    bool       *recheck = (bool *) PG_GETARG_POINTER(4);
    boolKEY    *kkk = (boolKEY *) 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, boolkey::lower, PG_GETARG_INT16, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, tinfo, and boolkey::upper.

gbt_bool_fetch()

Datum gbt_bool_fetch

(

PG_FUNCTION_ARGS

)

Definition at line 97 of file btree_bool.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_bool_penalty()

Datum gbt_bool_penalty

(

PG_FUNCTION_ARGS

)

Definition at line 137 of file btree_bool.c.

{
    boolKEY    *origentry = (boolKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
    boolKEY    *newentry = (boolKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
    float      *result = (float *) PG_GETARG_POINTER(2);
 
    penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
 
    PG_RETURN_POINTER(result);
}

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

gbt_bool_picksplit()

Datum gbt_bool_picksplit

(

PG_FUNCTION_ARGS

)

Definition at line 149 of file btree_bool.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_bool_same()

Datum gbt_bool_same

(

PG_FUNCTION_ARGS

)

Definition at line 157 of file btree_bool.c.

{
    boolKEY    *b1 = (boolKEY *) PG_GETARG_POINTER(0);
    boolKEY    *b2 = (boolKEY *) 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_bool_sortsupport()

Datum gbt_bool_sortsupport

(

PG_FUNCTION_ARGS

)

Definition at line 178 of file btree_bool.c.

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

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

gbt_bool_ssup_cmp()

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

static

Definition at line 168 of file btree_bool.c.

{
    boolKEY    *arg1 = (boolKEY *) DatumGetPointer(x);
    boolKEY    *arg2 = (boolKEY *) DatumGetPointer(y);
 
    /* for leaf items we expect lower == upper, so only compare lower */
    return (int32) arg1->lower - (int32) arg2->lower;
}

References DatumGetPointer(), boolkey::lower, x, and y.

Referenced by gbt_bool_sortsupport().

gbt_bool_union()

Datum gbt_bool_union

(

PG_FUNCTION_ARGS

)

Definition at line 127 of file btree_bool.c.

{
    GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
    void       *out = palloc(sizeof(boolKEY));
 
    *(int *) PG_GETARG_POINTER(1) = sizeof(boolKEY);
    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_booleq()

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

static

Definition at line 37 of file btree_bool.c.

{
    return (*((const bool *) a) == *((const bool *) b));
}

References a, and b.

gbt_boolge()

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

static

Definition at line 32 of file btree_bool.c.

{
    return (*((const bool *) a) >= *((const bool *) b));
}

References a, and b.

gbt_boolgt()

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

static

Definition at line 27 of file btree_bool.c.

{
    return (*((const bool *) a) > *((const bool *) b));
}

References a, and b.

gbt_boolkey_cmp()

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

static

Definition at line 53 of file btree_bool.c.

{
    boolKEY    *ia = (boolKEY *) (((const Nsrt *) a)->t);
    boolKEY    *ib = (boolKEY *) (((const Nsrt *) b)->t);
 
    if (ia->lower == ib->lower)
    {
        if (ia->upper == ib->upper)
            return 0;
 
        return (ia->upper > ib->upper) ? 1 : -1;
    }
 
    return (ia->lower > ib->lower) ? 1 : -1;
}

References a, b, boolkey::lower, and boolkey::upper.

gbt_boolle()

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

static

Definition at line 42 of file btree_bool.c.

{
    return (*((const bool *) a) <= *((const bool *) b));
}

References a, and b.

gbt_boollt()

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

static

Definition at line 47 of file btree_bool.c.

{
    return (*((const bool *) a) < *((const bool *) b));
}

References a, and b.

PG_FUNCTION_INFO_V1() [1/8]

PG_FUNCTION_INFO_V1

(

gbt_bool_compress

)

PG_FUNCTION_INFO_V1() [2/8]

PG_FUNCTION_INFO_V1

(

gbt_bool_consistent

)

PG_FUNCTION_INFO_V1() [3/8]

PG_FUNCTION_INFO_V1

(

gbt_bool_fetch

)

PG_FUNCTION_INFO_V1() [4/8]

PG_FUNCTION_INFO_V1

(

gbt_bool_penalty

)

PG_FUNCTION_INFO_V1() [5/8]

PG_FUNCTION_INFO_V1

(

gbt_bool_picksplit

)

PG_FUNCTION_INFO_V1() [6/8]

PG_FUNCTION_INFO_V1

(

gbt_bool_same

)

PG_FUNCTION_INFO_V1() [7/8]

PG_FUNCTION_INFO_V1

(

gbt_bool_sortsupport

)

PG_FUNCTION_INFO_V1() [8/8]

PG_FUNCTION_INFO_V1

(

gbt_bool_union

)

Variable Documentation

tinfo

const gbtree_ninfo tinfo

static

Initial value:

=
{
    gbt_t_bool,
    sizeof(bool),
    2,                          
    gbt_boolgt,
    gbt_boolge,
    gbt_booleq,
    gbt_boolle,
    gbt_boollt,
    gbt_boolkey_cmp,
}

Definition at line 70 of file btree_bool.c.

Referenced by gbt_bool_compress(), gbt_bool_consistent(), gbt_bool_fetch(), gbt_bool_picksplit(), gbt_bool_same(), and gbt_bool_union().