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Change variable name reference from selectClause to more appropriate unionClause. 

Add a few lines of test code playing with the unique flag for unions.
 Does not do much helpful yet.
This commit is contained in:
Thomas G. Lockhart 1997-12-23 19:39:42 +00:00
parent 98f5975cb0
commit 8ed721ffef
1 changed files with 9 additions and 2 deletions
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11
src/backend/parser/analyze.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.54 1997/12/16 15:45:46 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/analyze.c,v 1.55 1997/12/23 19:39:42 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -822,9 +822,16 @@ transformSelectStmt(ParseState *pstate, RetrieveStmt *stmt)
qry->qual = transformWhereClause(pstate, stmt->whereClause);
/* check subselect clause */
if (stmt->selectClause)
if (stmt->unionClause)
{
elog(NOTICE, "UNION not yet supported; using first SELECT only", NULL);
/* XXX HACK just playing with union clause - thomas 1997-12-19 */
if ((qry->uniqueFlag == NULL)
&& (! ((SubSelect *)lfirst(stmt->unionClause))->unionall))
qry->uniqueFlag = "*";
}
/* check subselect clause */
if (stmt->havingClause)
elog(NOTICE, "HAVING not yet supported; ignore clause", NULL);