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Add NOWAIT option to SELECT FOR UPDATE/SHARE.

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Original patch by Hans-Juergen Schoenig, revisions by Karel Zak
and Tom Lane.
This commit is contained in:
Tom Lane
2005-08-01 20:31:16 +00:00
parent ca7abcd89d
commit 2a4fad1a0e
28 changed files with 387 additions and 157 deletions
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3
src/include/access/multixact.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/multixact.h,v 1.3 2005/06/08 15:50:28 tgl Exp $
* $PostgreSQL: pgsql/src/include/access/multixact.h,v 1.4 2005/08/01 20:31:13 tgl Exp $
*/
#ifndef MULTIXACT_H
#define MULTIXACT_H
@@ -42,6 +42,7 @@ extern MultiXactId MultiXactIdCreate(TransactionId xid1, TransactionId xid2);
extern MultiXactId MultiXactIdExpand(MultiXactId multi, TransactionId xid);
extern bool MultiXactIdIsRunning(MultiXactId multi);
extern void MultiXactIdWait(MultiXactId multi);
extern bool ConditionalMultiXactIdWait(MultiXactId multi);
extern void MultiXactIdSetOldestMember(void);
extern void AtEOXact_MultiXact(void);