#include "postgres.h"
#include "access/stratnum.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 52 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 22 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 36 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 61 of file btree_gist.c.

 {
     StrategyNumber strat = PG_GETARG_UINT16(0);
  
     switch (strat)
     {
         case RTEqualStrategyNumber:
             PG_RETURN_UINT16(BTEqualStrategyNumber);
         case RTLessStrategyNumber:
             PG_RETURN_UINT16(BTLessStrategyNumber);
         case RTLessEqualStrategyNumber:
             PG_RETURN_UINT16(BTLessEqualStrategyNumber);
         case RTGreaterStrategyNumber:
             PG_RETURN_UINT16(BTGreaterStrategyNumber);
         case RTGreaterEqualStrategyNumber:
             PG_RETURN_UINT16(BTGreaterEqualStrategyNumber);
         default:
             PG_RETURN_UINT16(InvalidStrategy);
     }
 }

References BTEqualStrategyNumber, BTGreaterEqualStrategyNumber, BTGreaterStrategyNumber, BTLessEqualStrategyNumber, BTLessStrategyNumber, InvalidStrategy, PG_GETARG_UINT16, PG_RETURN_UINT16, RTEqualStrategyNumber, RTGreaterEqualStrategyNumber, RTGreaterStrategyNumber, RTLessEqualStrategyNumber, and RTLessStrategyNumber.

◆ 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 9 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