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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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19
src/backend/nodes/outfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.258 2005/07/02 23:00:39 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.259 2005/08/01 20:31:08 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@ -1343,8 +1343,7 @@ _outSelectStmt(StringInfo str, SelectStmt *node)
WRITE_NODE_FIELD(sortClause);
WRITE_NODE_FIELD(limitOffset);
WRITE_NODE_FIELD(limitCount);
WRITE_NODE_FIELD(lockedRels);
WRITE_BOOL_FIELD(forUpdate);
WRITE_NODE_FIELD(lockingClause);
WRITE_ENUM_FIELD(op, SetOperation);
WRITE_BOOL_FIELD(all);
WRITE_NODE_FIELD(larg);
@ -1371,6 +1370,16 @@ _outDefElem(StringInfo str, DefElem *node)
WRITE_NODE_FIELD(arg);
}
static void
_outLockingClause(StringInfo str, LockingClause *node)
{
WRITE_NODE_TYPE("LOCKINGCLAUSE");
WRITE_NODE_FIELD(lockedRels);
WRITE_BOOL_FIELD(forUpdate);
WRITE_BOOL_FIELD(nowait);
}
static void
_outColumnDef(StringInfo str, ColumnDef *node)
{
@ -1462,6 +1471,7 @@ _outQuery(StringInfo str, Query *node)
WRITE_NODE_FIELD(jointree);
WRITE_NODE_FIELD(rowMarks);
WRITE_BOOL_FIELD(forUpdate);
WRITE_BOOL_FIELD(rowNoWait);
WRITE_NODE_FIELD(targetList);
WRITE_NODE_FIELD(groupClause);
WRITE_NODE_FIELD(havingQual);
@ -2079,6 +2089,9 @@ _outNode(StringInfo str, void *obj)
case T_DefElem:
_outDefElem(str, obj);
break;
case T_LockingClause:
_outLockingClause(str, obj);
break;
default: