btree_bytea.c File Reference

#include "postgres.h"
#include "btree_gist.h"
#include "btree_utils_var.h"
#include "utils/fmgrprotos.h"
#include "utils/sortsupport.h"

Include dependency graph for btree_bytea.c:

Go to the source code of this file.

Functions
	PG_FUNCTION_INFO_V1 (gbt_bytea_compress)
	PG_FUNCTION_INFO_V1 (gbt_bytea_union)
	PG_FUNCTION_INFO_V1 (gbt_bytea_picksplit)
	PG_FUNCTION_INFO_V1 (gbt_bytea_consistent)
	PG_FUNCTION_INFO_V1 (gbt_bytea_penalty)
	PG_FUNCTION_INFO_V1 (gbt_bytea_same)
	PG_FUNCTION_INFO_V1 (gbt_bytea_sortsupport)
static bool	gbt_byteagt (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_byteage (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_byteaeq (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_byteale (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_bytealt (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static int32	gbt_byteacmp (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
Datum	gbt_bytea_compress (PG_FUNCTION_ARGS)
Datum	gbt_bytea_consistent (PG_FUNCTION_ARGS)
Datum	gbt_bytea_union (PG_FUNCTION_ARGS)
Datum	gbt_bytea_picksplit (PG_FUNCTION_ARGS)
Datum	gbt_bytea_same (PG_FUNCTION_ARGS)
Datum	gbt_bytea_penalty (PG_FUNCTION_ARGS)
static int	gbt_bytea_ssup_cmp (Datum x, Datum y, SortSupport ssup)
Datum	gbt_bytea_sortsupport (PG_FUNCTION_ARGS)

Variables
static const gbtree_vinfo	tinfo

Function Documentation

gbt_bytea_compress()

Datum gbt_bytea_compress

(

PG_FUNCTION_ARGS

)

Definition at line 92 of file btree_bytea.c.

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

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

gbt_bytea_consistent()

Datum gbt_bytea_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 100 of file btree_bytea.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    void       *query = DatumGetByteaP(PG_GETARG_DATUM(1));
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
#ifdef NOT_USED
    Oid         subtype = PG_GETARG_OID(3);
#endif
    bool       *recheck = (bool *) PG_GETARG_POINTER(4);
    bool        retval;
    GBT_VARKEY *key = (GBT_VARKEY *) DatumGetPointer(entry->key);
    GBT_VARKEY_R r = gbt_var_key_readable(key);
 
    /* All cases served by this function are exact */
    *recheck = false;
 
    retval = gbt_var_consistent(&r, query, strategy, PG_GET_COLLATION(),
                                GIST_LEAF(entry), &tinfo, fcinfo->flinfo);
    PG_RETURN_BOOL(retval);
}

References DatumGetByteaP, DatumGetPointer(), gbt_var_consistent(), gbt_var_key_readable(), GIST_LEAF, GISTENTRY::key, PG_GET_COLLATION, PG_GETARG_DATUM, PG_GETARG_OID, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, and tinfo.

gbt_bytea_penalty()

Datum gbt_bytea_penalty

(

PG_FUNCTION_ARGS

)

Definition at line 154 of file btree_bytea.c.

{
    GISTENTRY  *o = (GISTENTRY *) PG_GETARG_POINTER(0);
    GISTENTRY  *n = (GISTENTRY *) PG_GETARG_POINTER(1);
    float      *result = (float *) PG_GETARG_POINTER(2);
 
    PG_RETURN_POINTER(gbt_var_penalty(result, o, n, PG_GET_COLLATION(),
                                      &tinfo, fcinfo->flinfo));
}

References fb(), gbt_var_penalty(), PG_GET_COLLATION, PG_GETARG_POINTER, PG_RETURN_POINTER, result, and tinfo.

gbt_bytea_picksplit()

Datum gbt_bytea_picksplit

(

PG_FUNCTION_ARGS

)

Definition at line 132 of file btree_bytea.c.

{
    GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
    GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1);
 
    gbt_var_picksplit(entryvec, v, PG_GET_COLLATION(),
                      &tinfo, fcinfo->flinfo);
    PG_RETURN_POINTER(v);
}

References fb(), gbt_var_picksplit(), PG_GET_COLLATION, PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_bytea_same()

Datum gbt_bytea_same

(

PG_FUNCTION_ARGS

)

Definition at line 143 of file btree_bytea.c.

{
    Datum       d1 = PG_GETARG_DATUM(0);
    Datum       d2 = PG_GETARG_DATUM(1);
    bool       *result = (bool *) PG_GETARG_POINTER(2);
 
    *result = gbt_var_same(d1, d2, PG_GET_COLLATION(), &tinfo, fcinfo->flinfo);
    PG_RETURN_POINTER(result);
}

References gbt_var_same(), PG_GET_COLLATION, PG_GETARG_DATUM, PG_GETARG_POINTER, PG_RETURN_POINTER, result, and tinfo.

gbt_bytea_sortsupport()

Datum gbt_bytea_sortsupport

(

PG_FUNCTION_ARGS

)

Definition at line 186 of file btree_bytea.c.

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

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

gbt_bytea_ssup_cmp()

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

static

Definition at line 165 of file btree_bytea.c.

{
    GBT_VARKEY *key1 = PG_DETOAST_DATUM(x);
    GBT_VARKEY *key2 = PG_DETOAST_DATUM(y);
 
    GBT_VARKEY_R xkey = gbt_var_key_readable(key1);
    GBT_VARKEY_R ykey = gbt_var_key_readable(key2);
    Datum       result;
 
    /* for leaf items we expect lower == upper, so only compare lower */
    result = DirectFunctionCall2(byteacmp,
                                 PointerGetDatum(xkey.lower),
                                 PointerGetDatum(ykey.lower));
 
    GBT_FREE_IF_COPY(key1, x);
    GBT_FREE_IF_COPY(key2, y);
 
    return DatumGetInt32(result);
}

References byteacmp(), DatumGetInt32(), DirectFunctionCall2, fb(), GBT_FREE_IF_COPY, gbt_var_key_readable(), PG_DETOAST_DATUM, PointerGetDatum, result, x, and y.

Referenced by gbt_bytea_sortsupport().

gbt_bytea_union()

Datum gbt_bytea_union

(

PG_FUNCTION_ARGS

)

Definition at line 122 of file btree_bytea.c.

{
    GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
    int32      *size = (int *) PG_GETARG_POINTER(1);
 
    PG_RETURN_POINTER(gbt_var_union(entryvec, size, PG_GET_COLLATION(),
                                    &tinfo, fcinfo->flinfo));
}

References fb(), gbt_var_union(), PG_GET_COLLATION, PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_byteacmp()

static int32 gbt_byteacmp ( const void *  a, const void *  b, Oid  collation, FmgrInfo *  flinfo  )

static

Definition at line 66 of file btree_bytea.c.

{
    return DatumGetInt32(DirectFunctionCall2(byteacmp,
                                             PointerGetDatum(a),
                                             PointerGetDatum(b)));
}

References a, b, byteacmp(), DatumGetInt32(), DirectFunctionCall2, and PointerGetDatum.

gbt_byteaeq()

static bool gbt_byteaeq ( const void *  a, const void *  b, Oid  collation, FmgrInfo *  flinfo  )

static

Definition at line 42 of file btree_bytea.c.

{
    return DatumGetBool(DirectFunctionCall2(byteaeq,
                                            PointerGetDatum(a),
                                            PointerGetDatum(b)));
}

References a, b, byteaeq(), DatumGetBool(), DirectFunctionCall2, and PointerGetDatum.

gbt_byteage()

static bool gbt_byteage ( const void *  a, const void *  b, Oid  collation, FmgrInfo *  flinfo  )

static

Definition at line 34 of file btree_bytea.c.

{
    return DatumGetBool(DirectFunctionCall2(byteage,
                                            PointerGetDatum(a),
                                            PointerGetDatum(b)));
}

References a, b, byteage(), DatumGetBool(), DirectFunctionCall2, and PointerGetDatum.

gbt_byteagt()

static bool gbt_byteagt ( const void *  a, const void *  b, Oid  collation, FmgrInfo *  flinfo  )

static

Definition at line 26 of file btree_bytea.c.

{
    return DatumGetBool(DirectFunctionCall2(byteagt,
                                            PointerGetDatum(a),
                                            PointerGetDatum(b)));
}

References a, b, byteagt(), DatumGetBool(), DirectFunctionCall2, and PointerGetDatum.

gbt_byteale()

static bool gbt_byteale ( const void *  a, const void *  b, Oid  collation, FmgrInfo *  flinfo  )

static

Definition at line 50 of file btree_bytea.c.

{
    return DatumGetBool(DirectFunctionCall2(byteale,
                                            PointerGetDatum(a),
                                            PointerGetDatum(b)));
}

References a, b, byteale(), DatumGetBool(), DirectFunctionCall2, and PointerGetDatum.

gbt_bytealt()

static bool gbt_bytealt ( const void *  a, const void *  b, Oid  collation, FmgrInfo *  flinfo  )

static

Definition at line 58 of file btree_bytea.c.

{
    return DatumGetBool(DirectFunctionCall2(bytealt,
                                            PointerGetDatum(a),
                                            PointerGetDatum(b)));
}

References a, b, bytealt(), DatumGetBool(), DirectFunctionCall2, and PointerGetDatum.

PG_FUNCTION_INFO_V1() [1/7]

PG_FUNCTION_INFO_V1

(

gbt_bytea_compress

)

PG_FUNCTION_INFO_V1() [2/7]

PG_FUNCTION_INFO_V1

(

gbt_bytea_consistent

)

PG_FUNCTION_INFO_V1() [3/7]

PG_FUNCTION_INFO_V1

(

gbt_bytea_penalty

)

PG_FUNCTION_INFO_V1() [4/7]

PG_FUNCTION_INFO_V1

(

gbt_bytea_picksplit

)

PG_FUNCTION_INFO_V1() [5/7]

PG_FUNCTION_INFO_V1

(

gbt_bytea_same

)

PG_FUNCTION_INFO_V1() [6/7]

PG_FUNCTION_INFO_V1

(

gbt_bytea_sortsupport

)

PG_FUNCTION_INFO_V1() [7/7]

PG_FUNCTION_INFO_V1

(

gbt_bytea_union

)

Variable Documentation

tinfo

const gbtree_vinfo tinfo

static

Initial value:

=
{
    gbt_t_bytea,
    true,                       
    gbt_byteagt,
    gbt_byteage,
    gbt_byteaeq,
    gbt_byteale,
    gbt_bytealt,
    gbt_byteacmp,
    NULL
}

Definition at line 73 of file btree_bytea.c.

{
    gbt_t_bytea,
    true,                       /* internal keys can be truncated */
    gbt_byteagt,
    gbt_byteage,
    gbt_byteaeq,
    gbt_byteale,
    gbt_bytealt,
    gbt_byteacmp,
    NULL
};

Referenced by gbt_bytea_compress(), gbt_bytea_consistent(), gbt_bytea_penalty(), gbt_bytea_picksplit(), gbt_bytea_same(), and gbt_bytea_union().