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 ) );
+}
+