1 /*-------------------------------------------------------------------------
2  *
3  * prs2lock.h
4  *	  data structures for POSTGRES Rule System II (rewrite rules only)
5  *
6  * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
7  * Portions Copyright (c) 1994, Regents of the University of California
8  *
9  * src/include/rewrite/prs2lock.h
10  *
11  *-------------------------------------------------------------------------
12  */
13 #ifndef PRS2LOCK_H
14 #define PRS2LOCK_H
15 
16 #include "access/attnum.h"
17 #include "nodes/pg_list.h"
18 
19 /*
20  * RewriteRule -
21  *	  holds an info for a rewrite rule
22  *
23  */
24 typedef struct RewriteRule
25 {
26 	Oid			ruleId;
27 	CmdType		event;
28 	Node	   *qual;
29 	List	   *actions;
30 	char		enabled;
31 	bool		isInstead;
32 } RewriteRule;
33 
34 /*
35  * RuleLock -
36  *	  all rules that apply to a particular relation. Even though we only
37  *	  have the rewrite rule system left and these are not really "locks",
38  *	  the name is kept for historical reasons.
39  */
40 typedef struct RuleLock
41 {
42 	int			numLocks;
43 	RewriteRule **rules;
44 } RuleLock;
45 
46 #endif   /* REWRITE_H */
47