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The patch does 2 things:

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Fixes  a  bug  in  the rule system that caused a crashing
        backend when a join-view with calculated column  is  used
        in subselect.

        Modifies  EXPLAIN to explain rewritten queries instead of
        the plain SeqScan on a view. Rules can produce very  deep
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Jan.
This commit is contained in:
Bruce Momjian
1998-10-21 16:21:29 +00:00
parent 858a3b570a
commit 524f4b2d10
6 changed files with 500 additions and 553 deletions
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8
src/backend/commands/view.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/view.c,v 1.25 1998/09/01 04:28:10 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/view.c,v 1.26 1998/10/21 16:21:22 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -219,10 +219,10 @@ UpdateRangeTableOfViewParse(char *viewName, Query *viewParse)
/*
* first offset all var nodes by 2
*/
OffsetVarNodes((Node *) viewParse->targetList, 2);
OffsetVarNodes(viewParse->qual, 2);
OffsetVarNodes((Node *) viewParse->targetList, 2, 0);
OffsetVarNodes(viewParse->qual, 2, 0);
OffsetVarNodes(viewParse->havingQual, 2);
OffsetVarNodes(viewParse->havingQual, 2, 0);
/*