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Add NOWAIT option to LOCK command

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This commit is contained in:
Tatsuo Ishii
2004-03-11 01:47:41 +00:00
parent 60a068b389
commit 0b86ade1c2
9 changed files with 56 additions and 15 deletions
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3
src/include/access/heapam.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/heapam.h,v 1.86 2003/11/29 22:40:55 pgsql Exp $
* $PostgreSQL: pgsql/src/include/access/heapam.h,v 1.87 2004/03/11 01:47:41 ishii Exp $
*
*-------------------------------------------------------------------------
*/
@@ -129,6 +129,7 @@ extern Datum heap_getsysattr(HeapTuple tup, int attnum, bool *isnull);
/* heapam.c */
extern Relation relation_open(Oid relationId, LOCKMODE lockmode);
extern Relation conditional_relation_open(Oid relationId, LOCKMODE lockmode, bool nowait);
extern Relation relation_openrv(const RangeVar *relation, LOCKMODE lockmode);
extern Relation relation_openr(const char *sysRelationName, LOCKMODE lockmode);
extern void relation_close(Relation relation, LOCKMODE lockmode);