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44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/*-------------------------------------------------------------------------
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*
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* prs2lock.h--
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* data structures for POSTGRES Rule System II (rewrite rules only)
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: prs2lock.h,v 1.3 1996/11/01 09:30:54 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PRS2LOCK_H
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#define PRS2LOCK_H
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#include "access/attnum.h"
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#include "nodes/pg_list.h"
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/*
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* RewriteRule -
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* holds a info for a rewrite rule
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*
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*/
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typedef struct RewriteRule {
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Oid ruleId;
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CmdType event;
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AttrNumber attrno;
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Node *qual;
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List *actions;
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bool isInstead;
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} RewriteRule;
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/*
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* RuleLock -
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* all rules that apply to a particular relation. Even though we only
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* have the rewrite rule system left and these are not really "locks",
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* the name is kept for historical reasons.
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*/
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typedef struct RuleLock {
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int numLocks;
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RewriteRule **rules;
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} RuleLock;
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#endif /* REWRITE_H */
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