Quelle  rewriteDefine.h

/*-------------------------------------------------------------------------
 *
 * rewriteDefine.h
 *
 *
 *
 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/rewrite/rewriteDefine.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef REWRITEDEFINE_H
#define REWRITEDEFINE_H

#include "catalog/objectaddress.h"
#include "nodes/parsenodes.h"
#include "utils/relcache.h"

#define RULE_FIRES_ON_ORIGIN 'O'
#define RULE_FIRES_ALWAYS  'A'
#define RULE_FIRES_ON_REPLICA 'R'
#define RULE_DISABLED   'D'

extern ObjectAddress DefineRule(RuleStmt *stmt, const char *queryString);

extern ObjectAddress DefineQueryRewrite(const char *rulename,
          Oid event_relid,
          Node *event_qual,
          CmdType event_type,
          bool is_instead,
          bool replace,
          List *action);

extern ObjectAddress RenameRewriteRule(RangeVar *relation, const char *oldName,
            const char *newName);

extern void setRuleCheckAsUser(Node *node, Oid userid);

extern void EnableDisableRule(Relation rel, const char *rulename,
         char fires_when);

#endif       /* REWRITEDEFINE_H */