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/*-------------------------------------------------------------------------
*
* 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 1.4 1996/11/04 07:45:46 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 */
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