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Creates the SubLink structure, and the Query->hasSubLink field,

with supporting code.

Creates SubLink node in gram.y.

psql.c patch for newatttypmod field.
This commit is contained in:
Bruce Momjian
1998-01-17 04:53:46 +00:00
parent c65ea0e040
commit b37bc65f44
10 changed files with 205 additions and 113 deletions

View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.31 1998/01/16 23:19:56 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.32 1998/01/17 04:53:07 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -892,6 +892,28 @@ _copyAggreg(Aggreg *from)
return newnode;
}
/* ----------------
* _copySubLink
* ----------------
*/
static SubLink *
_copySubLink(SubLink *from)
{
SubLink *newnode = makeNode(SubLink);
/* ----------------
* copy remainder of node
* ----------------
*/
newnode->subLinkType = from->subLinkType;
newnode->useor = from->useor;
Node_Copy(from, newnode, lefthand);
Node_Copy(from, newnode, oper);
Node_Copy(from, newnode, subselect);
return newnode;
}
static Array *
_copyArray(Array *from)
{
@ -1517,6 +1539,7 @@ _copyQuery(Query *from)
Node_Copy(from, newnode, havingQual);
newnode->hasAggs = from->hasAggs;
newnode->hasSubLinks = from->hasSubLinks;
if (from->unionClause)
{
@ -1673,6 +1696,9 @@ copyObject(void *from)
case T_Aggreg:
retval = _copyAggreg(from);
break;
case T_SubLink:
retval = _copySubLink(from);
break;
/*
* RELATION NODES