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150 lines
3.9 KiB
C
150 lines
3.9 KiB
C
#include "btree_gist.h"
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#include "btree_utils_var.h"
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#include "utils/builtins.h"
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/*
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** Bytea ops
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*/
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PG_FUNCTION_INFO_V1(gbt_bytea_compress);
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PG_FUNCTION_INFO_V1(gbt_bytea_union);
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PG_FUNCTION_INFO_V1(gbt_bytea_picksplit);
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PG_FUNCTION_INFO_V1(gbt_bytea_consistent);
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PG_FUNCTION_INFO_V1(gbt_bytea_penalty);
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PG_FUNCTION_INFO_V1(gbt_bytea_same);
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Datum gbt_bytea_compress(PG_FUNCTION_ARGS);
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Datum gbt_bytea_union(PG_FUNCTION_ARGS);
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Datum gbt_bytea_picksplit(PG_FUNCTION_ARGS);
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Datum gbt_bytea_consistent(PG_FUNCTION_ARGS);
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Datum gbt_bytea_penalty(PG_FUNCTION_ARGS);
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Datum gbt_bytea_same(PG_FUNCTION_ARGS);
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/* define for comparison */
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static bool gbt_byteagt (const void *a, const void *b)
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{
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return ( DatumGetBool(DirectFunctionCall2( byteagt ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) );
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}
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static bool gbt_byteage (const void *a, const void *b)
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{
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return ( DatumGetBool(DirectFunctionCall2( byteage ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) );
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}
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static bool gbt_byteaeq (const void *a, const void *b)
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{
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return ( DatumGetBool(DirectFunctionCall2( byteaeq ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) );
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}
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static bool gbt_byteale (const void *a, const void *b)
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{
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return ( DatumGetBool(DirectFunctionCall2( byteale ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) );
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}
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static bool gbt_bytealt (const void *a, const void *b)
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{
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return ( DatumGetBool(DirectFunctionCall2( bytealt ,PointerGetDatum( a ),PointerGetDatum( b ) ) ) );
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}
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static int32 gbt_byteacmp ( const bytea * a , const bytea * b )
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{
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return
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( DatumGetInt32(DirectFunctionCall2(byteacmp,PointerGetDatum(a),PointerGetDatum(b) ) ) );
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}
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static const gbtree_vinfo tinfo =
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{
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gbt_t_bytea,
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FALSE,
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TRUE,
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gbt_byteagt,
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gbt_byteage,
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gbt_byteaeq,
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gbt_byteale,
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gbt_bytealt,
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gbt_byteacmp,
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NULL
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};
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/**************************************************
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* Text ops
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**************************************************/
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Datum
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gbt_bytea_compress (PG_FUNCTION_ARGS)
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{
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GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
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PG_RETURN_POINTER ( gbt_var_compress( entry, &tinfo ) );
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}
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Datum
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gbt_bytea_consistent(PG_FUNCTION_ARGS)
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{
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GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
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GBT_VARKEY *ktst = (GBT_VARKEY *) DatumGetPointer ( entry->key ) ;
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GBT_VARKEY *key = (GBT_VARKEY *) DatumGetPointer ( PG_DETOAST_DATUM( entry->key ) );
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void *qtst = ( void * ) DatumGetPointer( PG_GETARG_DATUM(1) );
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void *query = ( void * ) DatumGetByteaP ( PG_GETARG_DATUM(1) );
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StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
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bool retval = FALSE;
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GBT_VARKEY_R r = gbt_var_key_readable ( key );
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retval = gbt_var_consistent( &r, query, &strategy, GIST_LEAF(entry), &tinfo );
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if ( ktst != key ){
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pfree ( key );
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}
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if ( qtst != query ){
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pfree ( query );
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}
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PG_RETURN_BOOL(retval);
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}
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Datum
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gbt_bytea_union(PG_FUNCTION_ARGS)
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{
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GistEntryVector * entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
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int32 * size = (int *) PG_GETARG_POINTER(1);
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PG_RETURN_POINTER( gbt_var_union ( entryvec , size , &tinfo ) );
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}
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Datum
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gbt_bytea_picksplit(PG_FUNCTION_ARGS)
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{
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GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
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GIST_SPLITVEC *v = (GIST_SPLITVEC *) PG_GETARG_POINTER(1);
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gbt_var_picksplit ( entryvec, v, &tinfo );
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PG_RETURN_POINTER(v);
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}
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Datum
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gbt_bytea_same(PG_FUNCTION_ARGS)
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{
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Datum d1 = PG_GETARG_DATUM(0);
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Datum d2 = PG_GETARG_DATUM(1);
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bool *result = (bool *) PG_GETARG_POINTER(2);
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PG_RETURN_POINTER( gbt_var_same ( result, d1 , d2 , &tinfo ));
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}
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Datum
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gbt_bytea_penalty(PG_FUNCTION_ARGS)
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{
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float *result = (float *) PG_GETARG_POINTER(2);
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GISTENTRY * o = (GISTENTRY *) PG_GETARG_POINTER(0);
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GISTENTRY * n = (GISTENTRY *) PG_GETARG_POINTER(1);
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PG_RETURN_POINTER( gbt_var_penalty ( result ,o , n, &tinfo ) );
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}
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