btree_oid.c File Reference

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

Include dependency graph for btree_oid.c:

Go to the source code of this file.

Data Structures
struct	oidKEY

Functions
	PG_FUNCTION_INFO_V1 (gbt_oid_compress)
	PG_FUNCTION_INFO_V1 (gbt_oid_fetch)
	PG_FUNCTION_INFO_V1 (gbt_oid_union)
	PG_FUNCTION_INFO_V1 (gbt_oid_picksplit)
	PG_FUNCTION_INFO_V1 (gbt_oid_consistent)
	PG_FUNCTION_INFO_V1 (gbt_oid_distance)
	PG_FUNCTION_INFO_V1 (gbt_oid_penalty)
	PG_FUNCTION_INFO_V1 (gbt_oid_same)
	PG_FUNCTION_INFO_V1 (gbt_oid_sortsupport)
static bool	gbt_oidgt (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_oidge (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_oideq (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_oidle (const void *a, const void *b, FmgrInfo *flinfo)
static bool	gbt_oidlt (const void *a, const void *b, FmgrInfo *flinfo)
static int	gbt_oidkey_cmp (const void *a, const void *b, FmgrInfo *flinfo)
static float8	gbt_oid_dist (const void *a, const void *b, FmgrInfo *flinfo)
	PG_FUNCTION_INFO_V1 (oid_dist)
Datum	oid_dist (PG_FUNCTION_ARGS)
Datum	gbt_oid_compress (PG_FUNCTION_ARGS)
Datum	gbt_oid_fetch (PG_FUNCTION_ARGS)
Datum	gbt_oid_consistent (PG_FUNCTION_ARGS)
Datum	gbt_oid_distance (PG_FUNCTION_ARGS)
Datum	gbt_oid_union (PG_FUNCTION_ARGS)
Datum	gbt_oid_penalty (PG_FUNCTION_ARGS)
Datum	gbt_oid_picksplit (PG_FUNCTION_ARGS)
Datum	gbt_oid_same (PG_FUNCTION_ARGS)
static int	gbt_oid_ssup_cmp (Datum x, Datum y, SortSupport ssup)
Datum	gbt_oid_sortsupport (PG_FUNCTION_ARGS)

Variables
static const gbtree_ninfo	tinfo

Function Documentation

gbt_oid_compress()

Datum gbt_oid_compress

(

PG_FUNCTION_ARGS

)

Definition at line 120 of file btree_oid.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_oid_consistent()

Datum gbt_oid_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 136 of file btree_oid.c.

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

gbt_oid_dist()

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

static

Definition at line 72 of file btree_oid.c.

{
    Oid         aa = *(const Oid *) a;
    Oid         bb = *(const Oid *) b;
 
    if (aa < bb)
        return (float8) (bb - aa);
    else
        return (float8) (aa - bb);
}

References a, and b.

gbt_oid_distance()

Datum gbt_oid_distance

(

PG_FUNCTION_ARGS

)

Definition at line 158 of file btree_oid.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    Oid         query = PG_GETARG_OID(1);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    oidKEY     *kkk = (oidKEY *) 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, oidKEY::lower, PG_GETARG_OID, PG_GETARG_POINTER, PG_RETURN_FLOAT8, tinfo, and oidKEY::upper.

gbt_oid_fetch()

Datum gbt_oid_fetch

(

PG_FUNCTION_ARGS

)

Definition at line 128 of file btree_oid.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_oid_penalty()

Datum gbt_oid_penalty

(

PG_FUNCTION_ARGS

)

Definition at line 185 of file btree_oid.c.

{
    oidKEY     *origentry = (oidKEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
    oidKEY     *newentry = (oidKEY *) 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, oidKEY::lower, penalty_num, PG_GETARG_POINTER, PG_RETURN_POINTER, and oidKEY::upper.

gbt_oid_picksplit()

Datum gbt_oid_picksplit

(

PG_FUNCTION_ARGS

)

Definition at line 197 of file btree_oid.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_oid_same()

Datum gbt_oid_same

(

PG_FUNCTION_ARGS

)

Definition at line 205 of file btree_oid.c.

{
    oidKEY     *b1 = (oidKEY *) PG_GETARG_POINTER(0);
    oidKEY     *b2 = (oidKEY *) 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_oid_sortsupport()

Datum gbt_oid_sortsupport

(

PG_FUNCTION_ARGS

)

Definition at line 231 of file btree_oid.c.

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

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

gbt_oid_ssup_cmp()

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

static

Definition at line 216 of file btree_oid.c.

{
    oidKEY     *arg1 = (oidKEY *) DatumGetPointer(x);
    oidKEY     *arg2 = (oidKEY *) DatumGetPointer(y);
 
    /* for leaf items we expect lower == upper, so only compare lower */
    if (arg1->lower > arg2->lower)
        return 1;
    else if (arg1->lower < arg2->lower)
        return -1;
    else
        return 0;
}

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

Referenced by gbt_oid_sortsupport().

gbt_oid_union()

Datum gbt_oid_union

(

PG_FUNCTION_ARGS

)

Definition at line 175 of file btree_oid.c.

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

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

static

Definition at line 39 of file btree_oid.c.

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

References a, and b.

gbt_oidge()

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

static

Definition at line 34 of file btree_oid.c.

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

References a, and b.

gbt_oidgt()

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

static

Definition at line 29 of file btree_oid.c.

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

References a, and b.

gbt_oidkey_cmp()

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

static

Definition at line 55 of file btree_oid.c.

{
    oidKEY     *ia = (oidKEY *) (((const Nsrt *) a)->t);
    oidKEY     *ib = (oidKEY *) (((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, oidKEY::lower, and oidKEY::upper.

gbt_oidle()

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

static

Definition at line 44 of file btree_oid.c.

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

References a, and b.

gbt_oidlt()

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

static

Definition at line 49 of file btree_oid.c.

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

References a, and b.

oid_dist()

Datum oid_dist

(

PG_FUNCTION_ARGS

)

Definition at line 101 of file btree_oid.c.

{
    Oid         a = PG_GETARG_OID(0);
    Oid         b = PG_GETARG_OID(1);
    Oid         res;
 
    if (a < b)
        res = b - a;
    else
        res = a - b;
    PG_RETURN_OID(res);
}

References a, b, PG_GETARG_OID, and PG_RETURN_OID.

PG_FUNCTION_INFO_V1() [1/10]

PG_FUNCTION_INFO_V1

(

gbt_oid_compress

)

PG_FUNCTION_INFO_V1() [2/10]

PG_FUNCTION_INFO_V1

(

gbt_oid_consistent

)

PG_FUNCTION_INFO_V1() [3/10]

PG_FUNCTION_INFO_V1

(

gbt_oid_distance

)

PG_FUNCTION_INFO_V1() [4/10]

PG_FUNCTION_INFO_V1

(

gbt_oid_fetch

)

PG_FUNCTION_INFO_V1() [5/10]

PG_FUNCTION_INFO_V1

(

gbt_oid_penalty

)

PG_FUNCTION_INFO_V1() [6/10]

PG_FUNCTION_INFO_V1

(

gbt_oid_picksplit

)

PG_FUNCTION_INFO_V1() [7/10]

PG_FUNCTION_INFO_V1

(

gbt_oid_same

)

PG_FUNCTION_INFO_V1() [8/10]

PG_FUNCTION_INFO_V1

(

gbt_oid_sortsupport

)

PG_FUNCTION_INFO_V1() [9/10]

PG_FUNCTION_INFO_V1

(

gbt_oid_union

)

PG_FUNCTION_INFO_V1() [10/10]

PG_FUNCTION_INFO_V1

(

oid_dist

)

Variable Documentation

tinfo

const gbtree_ninfo tinfo

static

Initial value:

=
{
    gbt_t_oid,
    sizeof(Oid),
    8,                          
    gbt_oidgt,
    gbt_oidge,
    gbt_oideq,
    gbt_oidle,
    gbt_oidlt,
    gbt_oidkey_cmp,
    gbt_oid_dist
}

Definition at line 84 of file btree_oid.c.

Referenced by gbt_oid_compress(), gbt_oid_consistent(), gbt_oid_distance(), gbt_oid_fetch(), gbt_oid_picksplit(), gbt_oid_same(), and gbt_oid_union().