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Rip out QueryTreeList structure, root and branch. Querytree

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lists are now plain old garden-variety Lists, allocated with palloc,
rather than specialized expansible-array data allocated with malloc.
This substantially simplifies their handling and eliminates several
sources of memory leakage.
Several basic types of erroneous queries (syntax error, attempt to
insert a duplicate key into a unique index) now demonstrably leak
zero bytes per query.
This commit is contained in:
Tom Lane
1999-05-13 07:29:22 +00:00
parent f80642137c
commit 507a0a2ab0
18 changed files with 192 additions and 288 deletions
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4
src/include/optimizer/planner.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: planner.h,v 1.10 1999/02/13 23:21:51 momjian Exp $
* $Id: planner.h,v 1.11 1999/05/13 07:29:11 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -22,6 +22,6 @@
extern Plan *planner(Query *parse);
extern Plan *union_planner(Query *parse);
extern void pg_checkretval(Oid rettype, QueryTreeList *querytree_list);
extern void pg_checkretval(Oid rettype, List *querytree_list);
#endif /* PLANNER_H */