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Push down outer qualification clauses into UNION and INTERSECT subqueries.

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Per pghackers discussion from back around 1-August.
This commit is contained in:
Tom Lane
2002-08-29 16:03:49 +00:00
parent d2236800ee
commit 0201dac1c3
3 changed files with 196 additions and 54 deletions
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4
src/include/optimizer/prep.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: prep.h,v 1.32 2002/06/20 20:29:51 momjian Exp $
* $Id: prep.h,v 1.33 2002/08/29 16:03:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -43,4 +43,6 @@ extern Node *adjust_inherited_attrs(Node *node,
Index old_rt_index, Oid old_relid,
Index new_rt_index, Oid new_relid);
extern bool tlist_same_datatypes(List *tlist, List *colTypes, bool junkOK);
#endif /* PREP_H */