1 files changed, 43 insertions, 0 deletions
diff --git a/src/backend/rewrite/prs2lock.h b/src/backend/rewrite/prs2lock.h
new file mode 100644
index 00000000000..6385158f5e0
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+++ b/src/backend/rewrite/prs2lock.h
@@ -0,0 +1,43 @@
+/*-------------------------------------------------------------------------
+ *
+ * prs2lock.h--
+ *    data structures for POSTGRES Rule System II (rewrite rules only)
+ *
+ * Copyright (c) 1994, Regents of the University of California
+ *
+ * $Id: prs2lock.h,v 1.1.1.1 1996/07/09 06:21:51 scrappy Exp $
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PRS2LOCK_H
+#define PRS2LOCK_H
+
+#include "access/attnum.h"
+#include "nodes/pg_list.h"
+
+/*
+ * RewriteRule -
+ *    holds a info for a rewrite rule
+ *
+ */
+typedef struct RewriteRule {
+    Oid			ruleId;
+    CmdType		event;
+    AttrNumber		attrno;
+    Node		*qual;
+    List		*actions;
+    bool		isInstead;
+} RewriteRule;
+
+/*
+ * RuleLock -
+ *    all rules that apply to a particular relation. Even though we only
+ *    have the rewrite rule system left and these are not really "locks",
+ *    the name is kept for historical reasons.
+ */
+typedef struct RuleLock {
+    int			numLocks;
+    RewriteRule		**rules;
+} RuleLock;
+
+#endif	/* REWRITE_H */