Subselects in FROM clause, per ISO syntax: FROM (SELECT ...) [AS] alias.

[pg-rex/syncrep.git] / src / backend / optimizer / path / costsize.c

diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c
index 0f26dc7..025f011 100644 (file)
--- a/src/backend/optimizer/path/costsize.c
+++ b/src/backend/optimizer/path/costsize.c
@@ -42,7 +42,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.62 2000/06/18 22:44:06 tgl Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.63 2000/09/29 18:21:32 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -115,6 +115,7 @@ cost_seqscan(Path *path, RelOptInfo *baserel)
 
        /* Should only be applied to base relations */
        Assert(length(baserel->relids) == 1);
+       Assert(!baserel->issubquery);
 
        if (!enable_seqscan)
                startup_cost += disable_cost;
@@ -223,6 +224,7 @@ cost_index(Path *path, Query *root,
        /* Should only be applied to base relations */
        Assert(IsA(baserel, RelOptInfo) &&IsA(index, IndexOptInfo));
        Assert(length(baserel->relids) == 1);
+       Assert(!baserel->issubquery);
 
        if (!enable_indexscan && !is_injoin)
                startup_cost += disable_cost;