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| author | Thomas G. Lockhart <lockhart@fourpalms.org> | 1997-12-23 19:39:42 +0000 |
|---|---|---|
| committer | Thomas G. Lockhart <lockhart@fourpalms.org> | 1997-12-23 19:39:42 +0000 |
| commit | 8ed721ffefd418124b8d69c7ad0fd0ac1532e239 (patch) | |
| tree | e8b2c997f3c1ca55e9ce60fe5b7d29cf137212f6 /src/backend/parser/analyze.c | |
| parent | 98f5975cb0f87bd1bbdf40be4ad92f62112dbde0 (diff) | |
| download | postgresql-8ed721ffefd418124b8d69c7ad0fd0ac1532e239.tar.gz postgresql-8ed721ffefd418124b8d69c7ad0fd0ac1532e239.zip | |
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.
Diffstat (limited to 'src/backend/parser/analyze.c')
| -rw-r--r-- | src/backend/parser/analyze.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c index b3e1d2203d0..7c553f3625f 100644 --- a/src/backend/parser/analyze.c +++ b/src/backend/parser/analyze.c @@ -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); |