1 files changed, 45 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_gist.c b/contrib/btree_gist/btree_gist.c
new file mode 100644
index 00000000000..5e5a6988bb9
--- /dev/null
+++ b/contrib/btree_gist/btree_gist.c
@@ -0,0 +1,45 @@
+#include "btree_gist.h"
+
+PG_FUNCTION_INFO_V1(gbt_decompress);
+PG_FUNCTION_INFO_V1(gbtreekey_in);             
+PG_FUNCTION_INFO_V1(gbtreekey_out);
+
+Datum    gbt_decompress(PG_FUNCTION_ARGS);
+
+/**************************************************
+ * In/Out for keys
+ **************************************************/
+
+     
+Datum
+gbtreekey_in(PG_FUNCTION_ARGS)
+{
+  ereport(ERROR,
+                (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+                 errmsg("<datatype>key_in() not implemented")));
+
+  PG_RETURN_POINTER(NULL);
+}
+
+#include "btree_utils_var.h"
+#include "utils/builtins.h"
+Datum
+gbtreekey_out(PG_FUNCTION_ARGS)
+{
+  ereport(ERROR,
+                (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+                 errmsg("<datatype>key_out() not implemented")));
+  PG_RETURN_POINTER(NULL);
+}
+
+
+/*
+** GiST DeCompress methods
+** do not do anything.
+*/
+Datum
+gbt_decompress(PG_FUNCTION_ARGS)
+{
+   PG_RETURN_POINTER(PG_GETARG_POINTER(0));
+}
+