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Improve the representation of FOR UPDATE/FOR SHARE so that we can

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support both FOR UPDATE and FOR SHARE in one command, as well as both
NOWAIT and normal WAIT behavior.  The more general code is actually
simpler and cleaner.
This commit is contained in:
Tom Lane
2006-04-30 18:30:40 +00:00
parent 931bfc9664
commit 986085a7f0
29 changed files with 320 additions and 245 deletions
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6
src/include/parser/parse_node.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/parser/parse_node.h,v 1.48 2006/03/14 22:48:22 tgl Exp $
* $PostgreSQL: pgsql/src/include/parser/parse_node.h,v 1.49 2006/04/30 18:30:40 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -71,8 +71,8 @@ typedef struct ParseState
Oid *p_paramtypes; /* OIDs of types for $n parameter symbols */
int p_numparams; /* allocated size of p_paramtypes[] */
int p_next_resno; /* next targetlist resno to assign */
LockingClause *p_locking_clause; /* FOR UPDATE/FOR SHARE info */
Node *p_value_substitute; /* what to replace VALUE with, if any */
List *p_locking_clause; /* raw FOR UPDATE/FOR SHARE info */
Node *p_value_substitute; /* what to replace VALUE with, if any */
bool p_variableparams;
bool p_hasAggs;
bool p_hasSubLinks;