btree_text.c File Reference

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

Include dependency graph for btree_text.c:

Go to the source code of this file.

Functions
	PG_FUNCTION_INFO_V1 (gbt_text_compress)
	PG_FUNCTION_INFO_V1 (gbt_bpchar_compress)
	PG_FUNCTION_INFO_V1 (gbt_text_union)
	PG_FUNCTION_INFO_V1 (gbt_text_picksplit)
	PG_FUNCTION_INFO_V1 (gbt_text_consistent)
	PG_FUNCTION_INFO_V1 (gbt_bpchar_consistent)
	PG_FUNCTION_INFO_V1 (gbt_text_penalty)
	PG_FUNCTION_INFO_V1 (gbt_text_same)
	PG_FUNCTION_INFO_V1 (gbt_text_sortsupport)
	PG_FUNCTION_INFO_V1 (gbt_bpchar_sortsupport)
static bool	gbt_textgt (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_textge (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_texteq (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_textle (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_textlt (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static int32	gbt_textcmp (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_bpchargt (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_bpcharge (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_bpchareq (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_bpcharle (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static bool	gbt_bpcharlt (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
static int32	gbt_bpcharcmp (const void *a, const void *b, Oid collation, FmgrInfo *flinfo)
Datum	gbt_text_compress (PG_FUNCTION_ARGS)
Datum	gbt_bpchar_compress (PG_FUNCTION_ARGS)
Datum	gbt_text_consistent (PG_FUNCTION_ARGS)
Datum	gbt_bpchar_consistent (PG_FUNCTION_ARGS)
Datum	gbt_text_union (PG_FUNCTION_ARGS)
Datum	gbt_text_picksplit (PG_FUNCTION_ARGS)
Datum	gbt_text_same (PG_FUNCTION_ARGS)
Datum	gbt_text_penalty (PG_FUNCTION_ARGS)
static int	gbt_text_ssup_cmp (Datum x, Datum y, SortSupport ssup)
Datum	gbt_text_sortsupport (PG_FUNCTION_ARGS)
static int	gbt_bpchar_ssup_cmp (Datum x, Datum y, SortSupport ssup)
Datum	gbt_bpchar_sortsupport (PG_FUNCTION_ARGS)

Variables
static gbtree_vinfo	tinfo
static gbtree_vinfo	bptinfo

Function Documentation

gbt_bpchar_compress()

Datum gbt_bpchar_compress

(

PG_FUNCTION_ARGS

)

Definition at line 184 of file btree_text.c.

{
    /* This should never have been distinct from gbt_text_compress */
    return gbt_text_compress(fcinfo);
}

References gbt_text_compress().

gbt_bpchar_consistent()

Datum gbt_bpchar_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 218 of file btree_text.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    void       *query = DatumGetTextP(PG_GETARG_DATUM(1));
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    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;
 
    if (bptinfo.eml == 0)
    {
        bptinfo.eml = pg_database_encoding_max_length();
    }
 
    retval = gbt_var_consistent(&r, query, strategy, PG_GET_COLLATION(),
                                GIST_LEAF(entry), &bptinfo, fcinfo->flinfo);
    PG_RETURN_BOOL(retval);
}

References bptinfo, DatumGetPointer(), DatumGetTextP, gbtree_vinfo::eml, gbt_var_consistent(), gbt_var_key_readable(), GIST_LEAF, GISTENTRY::key, sort-test::key, pg_database_encoding_max_length(), PG_GET_COLLATION, PG_GETARG_DATUM, PG_GETARG_POINTER, PG_GETARG_UINT16, and PG_RETURN_BOOL.

gbt_bpchar_sortsupport()

Datum gbt_bpchar_sortsupport

(

PG_FUNCTION_ARGS

)

Definition at line 342 of file btree_text.c.

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

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

gbt_bpchar_ssup_cmp()

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

static

Definition at line 320 of file btree_text.c.

{
    GBT_VARKEY *key1 = PG_DETOAST_DATUM(x);
    GBT_VARKEY *key2 = PG_DETOAST_DATUM(y);
 
    GBT_VARKEY_R arg1 = gbt_var_key_readable(key1);
    GBT_VARKEY_R arg2 = gbt_var_key_readable(key2);
    Datum       result;
 
    /* for leaf items we expect lower == upper, so only compare lower */
    result = DirectFunctionCall2Coll(bpcharcmp,
                                     ssup->ssup_collation,
                                     PointerGetDatum(arg1.lower),
                                     PointerGetDatum(arg2.lower));
 
    GBT_FREE_IF_COPY(key1, x);
    GBT_FREE_IF_COPY(key2, y);
 
    return DatumGetInt32(result);
}

References bpcharcmp(), DatumGetInt32(), DirectFunctionCall2Coll(), GBT_FREE_IF_COPY, gbt_var_key_readable(), GBT_VARKEY_R::lower, PG_DETOAST_DATUM, PointerGetDatum(), SortSupportData::ssup_collation, x, and y.

Referenced by gbt_bpchar_sortsupport().

gbt_bpcharcmp()

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

static

Definition at line 143 of file btree_text.c.

{
    return DatumGetInt32(DirectFunctionCall2Coll(bpcharcmp,
                                                 collation,
                                                 PointerGetDatum(a),
                                                 PointerGetDatum(b)));
}

References a, b, bpcharcmp(), DatumGetInt32(), DirectFunctionCall2Coll(), and PointerGetDatum().

gbt_bpchareq()

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

static

Definition at line 116 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(bpchareq,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, bpchareq(), DatumGetBool(), DirectFunctionCall2Coll(), and PointerGetDatum().

gbt_bpcharge()

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

static

Definition at line 107 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(bpcharge,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, bpcharge(), DatumGetBool(), DirectFunctionCall2Coll(), and PointerGetDatum().

gbt_bpchargt()

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

static

Definition at line 98 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(bpchargt,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, bpchargt(), DatumGetBool(), DirectFunctionCall2Coll(), and PointerGetDatum().

gbt_bpcharle()

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

static

Definition at line 125 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(bpcharle,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, bpcharle(), DatumGetBool(), DirectFunctionCall2Coll(), and PointerGetDatum().

gbt_bpcharlt()

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

static

Definition at line 134 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(bpcharlt,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, bpcharlt(), DatumGetBool(), DirectFunctionCall2Coll(), and PointerGetDatum().

gbt_text_compress()

Datum gbt_text_compress

(

PG_FUNCTION_ARGS

)

Definition at line 171 of file btree_text.c.

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

References gbtree_vinfo::eml, gbt_var_compress(), pg_database_encoding_max_length(), PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

Referenced by gbt_bpchar_compress().

gbt_text_consistent()

Datum gbt_text_consistent

(

PG_FUNCTION_ARGS

)

Definition at line 191 of file btree_text.c.

{
    GISTENTRY  *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
    void       *query = DatumGetTextP(PG_GETARG_DATUM(1));
    StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
 
    /* Oid      subtype = PG_GETARG_OID(3); */
    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;
 
    if (tinfo.eml == 0)
    {
        tinfo.eml = pg_database_encoding_max_length();
    }
 
    retval = gbt_var_consistent(&r, query, strategy, PG_GET_COLLATION(),
                                GIST_LEAF(entry), &tinfo, fcinfo->flinfo);
 
    PG_RETURN_BOOL(retval);
}

References DatumGetPointer(), DatumGetTextP, gbtree_vinfo::eml, gbt_var_consistent(), gbt_var_key_readable(), GIST_LEAF, GISTENTRY::key, sort-test::key, pg_database_encoding_max_length(), PG_GET_COLLATION, PG_GETARG_DATUM, PG_GETARG_POINTER, PG_GETARG_UINT16, PG_RETURN_BOOL, and tinfo.

gbt_text_penalty()

Datum gbt_text_penalty

(

PG_FUNCTION_ARGS

)

Definition at line 276 of file btree_text.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 gbt_var_penalty(), PG_GET_COLLATION, PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_text_picksplit()

Datum gbt_text_picksplit

(

PG_FUNCTION_ARGS

)

Definition at line 254 of file btree_text.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 gbt_var_picksplit(), PG_GET_COLLATION, PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_text_same()

Datum gbt_text_same

(

PG_FUNCTION_ARGS

)

Definition at line 265 of file btree_text.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, and tinfo.

gbt_text_sortsupport()

Datum gbt_text_sortsupport

(

PG_FUNCTION_ARGS

)

Definition at line 309 of file btree_text.c.

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

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

gbt_text_ssup_cmp()

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

static

Definition at line 287 of file btree_text.c.

{
    GBT_VARKEY *key1 = PG_DETOAST_DATUM(x);
    GBT_VARKEY *key2 = PG_DETOAST_DATUM(y);
 
    GBT_VARKEY_R arg1 = gbt_var_key_readable(key1);
    GBT_VARKEY_R arg2 = gbt_var_key_readable(key2);
    Datum       result;
 
    /* for leaf items we expect lower == upper, so only compare lower */
    result = DirectFunctionCall2Coll(bttextcmp,
                                     ssup->ssup_collation,
                                     PointerGetDatum(arg1.lower),
                                     PointerGetDatum(arg2.lower));
 
    GBT_FREE_IF_COPY(key1, x);
    GBT_FREE_IF_COPY(key2, y);
 
    return DatumGetInt32(result);
}

References bttextcmp(), DatumGetInt32(), DirectFunctionCall2Coll(), GBT_FREE_IF_COPY, gbt_var_key_readable(), GBT_VARKEY_R::lower, PG_DETOAST_DATUM, PointerGetDatum(), SortSupportData::ssup_collation, x, and y.

Referenced by gbt_text_sortsupport().

gbt_text_union()

Datum gbt_text_union

(

PG_FUNCTION_ARGS

)

Definition at line 244 of file btree_text.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 gbt_var_union(), PG_GET_COLLATION, PG_GETARG_POINTER, PG_RETURN_POINTER, and tinfo.

gbt_textcmp()

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

static

Definition at line 73 of file btree_text.c.

{
    return DatumGetInt32(DirectFunctionCall2Coll(bttextcmp,
                                                 collation,
                                                 PointerGetDatum(a),
                                                 PointerGetDatum(b)));
}

References a, b, bttextcmp(), DatumGetInt32(), DirectFunctionCall2Coll(), and PointerGetDatum().

gbt_texteq()

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

static

Definition at line 46 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(texteq,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2Coll(), PointerGetDatum(), and texteq().

gbt_textge()

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

static

Definition at line 37 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(text_ge,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2Coll(), PointerGetDatum(), and text_ge().

gbt_textgt()

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

static

Definition at line 28 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(text_gt,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2Coll(), PointerGetDatum(), and text_gt().

gbt_textle()

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

static

Definition at line 55 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(text_le,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2Coll(), PointerGetDatum(), and text_le().

gbt_textlt()

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

static

Definition at line 64 of file btree_text.c.

{
    return DatumGetBool(DirectFunctionCall2Coll(text_lt,
                                                collation,
                                                PointerGetDatum(a),
                                                PointerGetDatum(b)));
}

References a, b, DatumGetBool(), DirectFunctionCall2Coll(), PointerGetDatum(), and text_lt().

PG_FUNCTION_INFO_V1() [1/10]

PG_FUNCTION_INFO_V1

(

gbt_bpchar_compress

)

PG_FUNCTION_INFO_V1() [2/10]

PG_FUNCTION_INFO_V1

(

gbt_bpchar_consistent

)

PG_FUNCTION_INFO_V1() [3/10]

PG_FUNCTION_INFO_V1

(

gbt_bpchar_sortsupport

)

PG_FUNCTION_INFO_V1() [4/10]

PG_FUNCTION_INFO_V1

(

gbt_text_compress

)

PG_FUNCTION_INFO_V1() [5/10]

PG_FUNCTION_INFO_V1

(

gbt_text_consistent

)

PG_FUNCTION_INFO_V1() [6/10]

PG_FUNCTION_INFO_V1

(

gbt_text_penalty

)

PG_FUNCTION_INFO_V1() [7/10]

PG_FUNCTION_INFO_V1

(

gbt_text_picksplit

)

PG_FUNCTION_INFO_V1() [8/10]

PG_FUNCTION_INFO_V1

(

gbt_text_same

)

PG_FUNCTION_INFO_V1() [9/10]

PG_FUNCTION_INFO_V1

(

gbt_text_sortsupport

)

PG_FUNCTION_INFO_V1() [10/10]

PG_FUNCTION_INFO_V1

(

gbt_text_union

)

Variable Documentation

bptinfo

gbtree_vinfo bptinfo

static

Initial value:

=
{
    gbt_t_bpchar,
    0,
    false,
    gbt_bpchargt,
    gbt_bpcharge,
    gbt_bpchareq,
    gbt_bpcharle,
    gbt_bpcharlt,
    gbt_bpcharcmp,
    NULL
}

Definition at line 151 of file btree_text.c.

Referenced by gbt_bpchar_consistent().

tinfo

gbtree_vinfo tinfo

static

Initial value:

=
{
    gbt_t_text,
    0,
    false,
    gbt_textgt,
    gbt_textge,
    gbt_texteq,
    gbt_textle,
    gbt_textlt,
    gbt_textcmp,
    NULL
}

Definition at line 81 of file btree_text.c.

Referenced by gbt_text_compress(), gbt_text_consistent(), gbt_text_penalty(), gbt_text_picksplit(), gbt_text_same(), and gbt_text_union().