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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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21
src/backend/nodes/outfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.273 2006/04/22 01:25:59 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.274 2006/04/30 18:30:39 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@ -1418,7 +1418,7 @@ _outLockingClause(StringInfo str, LockingClause *node)
WRITE_NODE_FIELD(lockedRels);
WRITE_BOOL_FIELD(forUpdate);
WRITE_BOOL_FIELD(nowait);
WRITE_BOOL_FIELD(noWait);
}
static void
@ -1514,9 +1514,6 @@ _outQuery(StringInfo str, Query *node)
WRITE_BOOL_FIELD(hasSubLinks);
WRITE_NODE_FIELD(rtable);
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);
@ -1524,6 +1521,7 @@ _outQuery(StringInfo str, Query *node)
WRITE_NODE_FIELD(sortClause);
WRITE_NODE_FIELD(limitOffset);
WRITE_NODE_FIELD(limitCount);
WRITE_NODE_FIELD(rowMarks);
WRITE_NODE_FIELD(setOperations);
WRITE_NODE_FIELD(resultRelations);
}
@ -1546,6 +1544,16 @@ _outGroupClause(StringInfo str, GroupClause *node)
WRITE_OID_FIELD(sortop);
}
static void
_outRowMarkClause(StringInfo str, RowMarkClause *node)
{
WRITE_NODE_TYPE("ROWMARKCLAUSE");
WRITE_UINT_FIELD(rti);
WRITE_BOOL_FIELD(forUpdate);
WRITE_BOOL_FIELD(noWait);
}
static void
_outSetOperationStmt(StringInfo str, SetOperationStmt *node)
{
@ -2113,6 +2121,9 @@ _outNode(StringInfo str, void *obj)
case T_GroupClause:
_outGroupClause(str, obj);
break;
case T_RowMarkClause:
_outRowMarkClause(str, obj);
break;
case T_SetOperationStmt:
_outSetOperationStmt(str, obj);
break;