*
* prs2lock.h
* data structures for openGauss Rule System II (rewrite rules only)
*
* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/rewrite/prs2lock.h
*
* -------------------------------------------------------------------------
*/
#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;
char enabled;
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