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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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7
src/include/nodes/execnodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.136 2005/06/26 22:05:41 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.137 2005/08/01 20:31:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -319,8 +319,9 @@ typedef struct EState
uint32 es_processed; /* # of tuples processed */
Oid es_lastoid; /* last oid processed (by INSERT) */
List *es_rowMark; /* not good place, but there is no other */
bool es_forUpdate; /* was it FOR UPDATE or FOR SHARE */
List *es_rowMarks; /* not good place, but there is no other */
bool es_forUpdate; /* true = FOR UPDATE, false = FOR SHARE */
bool es_rowNoWait; /* FOR UPDATE/SHARE NOWAIT option */
bool es_instrument; /* true requests runtime instrumentation */
bool es_select_into; /* true if doing SELECT INTO */