1 files changed, 37 insertions, 0 deletions
diff --git a/src/include/access/amvalidate.h b/src/include/access/amvalidate.h
new file mode 100644
index 0000000..f3a0e52
--- /dev/null
+++ b/src/include/access/amvalidate.h
@@ -0,0 +1,37 @@
+/*-------------------------------------------------------------------------
+ *
+ * amvalidate.h
+ *	  Support routines for index access methods' amvalidate functions.
+ *
+ * Copyright (c) 2016-2020, PostgreSQL Global Development Group
+ *
+ * src/include/access/amvalidate.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef AMVALIDATE_H
+#define AMVALIDATE_H
+
+#include "utils/catcache.h"
+
+
+/* Struct returned (in a list) by identify_opfamily_groups() */
+typedef struct OpFamilyOpFuncGroup
+{
+	Oid			lefttype;		/* amoplefttype/amproclefttype */
+	Oid			righttype;		/* amoprighttype/amprocrighttype */
+	uint64		operatorset;	/* bitmask of operators with these types */
+	uint64		functionset;	/* bitmask of support funcs with these types */
+} OpFamilyOpFuncGroup;
+
+
+/* Functions in access/index/amvalidate.c */
+extern List *identify_opfamily_groups(CatCList *oprlist, CatCList *proclist);
+extern bool check_amproc_signature(Oid funcid, Oid restype, bool exact,
+								   int minargs, int maxargs,...);
+extern bool check_amoptsproc_signature(Oid funcid);
+extern bool check_amop_signature(Oid opno, Oid restype,
+								 Oid lefttype, Oid righttype);
+extern bool opfamily_can_sort_type(Oid opfamilyoid, Oid datatypeoid);
+
+#endif							/* AMVALIDATE_H */