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Merge Resdom nodes into TargetEntry nodes to simplify code and save a

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few palloc's.  I also chose to eliminate the restype and restypmod fields
entirely, since they are redundant with information stored in the node's
contained expression; re-examining the expression at need seems simpler
and more reliable than trying to keep restype/restypmod up to date.

initdb forced due to change in contents of stored rules.
This commit is contained in:
Tom Lane
2005-04-06 16:34:07 +00:00
parent 0f3748a28c
commit ad161bcc8a
43 changed files with 537 additions and 799 deletions
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7
src/include/optimizer/tlist.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/optimizer/tlist.h,v 1.41 2004/12/31 22:03:36 pgsql Exp $
* $PostgreSQL: pgsql/src/include/optimizer/tlist.h,v 1.42 2005/04/06 16:34:07 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -17,10 +17,7 @@
#include "nodes/relation.h"
extern TargetEntry *tlistentry_member(Node *node, List *targetlist);
extern Resdom *tlist_member(Node *node, List *targetlist);
extern TargetEntry *create_tl_element(Var *var, int resdomno);
extern TargetEntry *tlist_member(Node *node, List *targetlist);
extern List *flatten_tlist(List *tlist);
extern List *add_to_flat_tlist(List *tlist, List *vars);