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