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authorTeodor Sigaev2004-05-28 10:43:32 +0000
committerTeodor Sigaev2004-05-28 10:43:32 +0000
commit42d069886f38687839388c615af608706508b557 (patch)
tree0409615407a17d22e2511ac14745277467853453 /contrib/btree_gist/btree_bytea.c
parent1a321f26d88e5c64bccba9d36920aede1e201729 (diff)
New version. Add support for int2, int8, float4, float8, timestamp with/without time zone, time with/without time zone, date, interval, oid, money and macaddr, char, varchar/text, bytea, numeric, bit, varbit, inet/cidr types for GiST
Diffstat (limited to 'contrib/btree_gist/btree_bytea.c')
-rw-r--r--contrib/btree_gist/btree_bytea.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_bytea.c b/contrib/btree_gist/btree_bytea.c
new file mode 100644
index 00000000000..da8a7f405b5
--- /dev/null
+++ b/contrib/btree_gist/btree_bytea.c
@@ -0,0 +1,149 @@
+#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 ) );
+}
+