summaryrefslogtreecommitdiff
path: root/src/include/rewrite/prs2lock.h
blob: 5e7b8fb014e6c78eb1b663c8a39cf8031a32402b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/*-------------------------------------------------------------------------
 *
 * 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 1.9 1999/02/13 23:21:59 momjian 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 */