#include "postgres.h"
#include "access/stratnum.h"
#include "nodes/primnodes.h"
#include "utils/builtins.h"

Include dependency graph for btree_gist.c:

Variables
	PG_MODULE_MAGIC

Function Documentation

◆ gbt_decompress()

Datum gbt_decompress ( PG_FUNCTION_ARGS )

Definition at line 53 of file btree_gist.c.

{
    PG_RETURN_POINTER(PG_GETARG_POINTER(0));
}

References PG_GETARG_POINTER, and PG_RETURN_POINTER.

◆ gbtreekey_in()

Datum gbtreekey_in ( PG_FUNCTION_ARGS )

Definition at line 23 of file btree_gist.c.

{
    Oid         typioparam = PG_GETARG_OID(1);
 
    ereport(ERROR,
            (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("cannot accept a value of type %s",
                    format_type_extended(typioparam, -1,
                                         FORMAT_TYPE_ALLOW_INVALID))));
 
    PG_RETURN_VOID();           /* keep compiler quiet */
}

References ereport, errcode(), errmsg(), ERROR, FORMAT_TYPE_ALLOW_INVALID, format_type_extended(), PG_GETARG_OID, and PG_RETURN_VOID.

◆ gbtreekey_out()

Datum gbtreekey_out ( PG_FUNCTION_ARGS )

Definition at line 37 of file btree_gist.c.

{
    /* Sadly, we do not receive any indication of the specific type */
    ereport(ERROR,
            (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
             errmsg("cannot display a value of type %s", "gbtreekey?")));
 
    PG_RETURN_VOID();           /* keep compiler quiet */
}

References ereport, errcode(), errmsg(), ERROR, and PG_RETURN_VOID.

◆ gist_stratnum_btree()

Datum gist_stratnum_btree ( PG_FUNCTION_ARGS )

Definition at line 62 of file btree_gist.c.

{
    CompareType cmptype = PG_GETARG_INT32(0);
 
    switch (cmptype)
    {
        case COMPARE_EQ:
            PG_RETURN_UINT16(BTEqualStrategyNumber);
        case COMPARE_LT:
            PG_RETURN_UINT16(BTLessStrategyNumber);
        case COMPARE_LE:
            PG_RETURN_UINT16(BTLessEqualStrategyNumber);
        case COMPARE_GT:
            PG_RETURN_UINT16(BTGreaterStrategyNumber);
        case COMPARE_GE:
            PG_RETURN_UINT16(BTGreaterEqualStrategyNumber);
        default:
            PG_RETURN_UINT16(InvalidStrategy);
    }
}

References BTEqualStrategyNumber, BTGreaterEqualStrategyNumber, BTGreaterStrategyNumber, BTLessEqualStrategyNumber, BTLessStrategyNumber, COMPARE_EQ, COMPARE_GE, COMPARE_GT, COMPARE_LE, COMPARE_LT, InvalidStrategy, PG_GETARG_INT32, and PG_RETURN_UINT16.

◆ PG_FUNCTION_INFO_V1() [1/4]

PG_FUNCTION_INFO_V1 ( gbt_decompress )

◆ PG_FUNCTION_INFO_V1() [2/4]

PG_FUNCTION_INFO_V1 ( gbtreekey_in )

◆ PG_FUNCTION_INFO_V1() [3/4]

PG_FUNCTION_INFO_V1 ( gbtreekey_out )

◆ PG_FUNCTION_INFO_V1() [4/4]

PG_FUNCTION_INFO_V1 ( gist_stratnum_btree )

Variable Documentation

◆ PG_MODULE_MAGIC

PG_MODULE_MAGIC

Definition at line 10 of file btree_gist.c.

Functions
	PG_FUNCTION_INFO_V1 (gbt_decompress)

	PG_FUNCTION_INFO_V1 (gbtreekey_in)

	PG_FUNCTION_INFO_V1 (gbtreekey_out)

	PG_FUNCTION_INFO_V1 (gist_stratnum_btree)

Datum	gbtreekey_in (PG_FUNCTION_ARGS)

Datum	gbtreekey_out (PG_FUNCTION_ARGS)

Datum	gbt_decompress (PG_FUNCTION_ARGS)

Datum	gist_stratnum_btree (PG_FUNCTION_ARGS)

Functions

Variables