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Final stage of psort reconstruction work: replace psort.c with

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a generalized module 'tuplesort.c' that can sort either HeapTuples or
IndexTuples, and is not tied to execution of a Sort node.  Clean up
memory leakages in sorting, and replace nbtsort.c's private implementation
of mergesorting with calls to tuplesort.c.
This commit is contained in:
Tom Lane
1999-10-17 22:15:09 +00:00
parent 59ed74e60b
commit 26c48b5e8c
10 changed files with 1763 additions and 1034 deletions
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13
src/include/access/nbtree.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: nbtree.h,v 1.31 1999/08/08 20:12:49 tgl Exp $
* $Id: nbtree.h,v 1.32 1999/10/17 22:15:03 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -288,9 +288,12 @@ extern BTItem _bt_formitem(IndexTuple itup);
/*
* prototypes for functions in nbtsort.c
*/
extern void *_bt_spoolinit(Relation index, int ntapes, bool isunique);
extern void _bt_spooldestroy(void *spool);
extern void _bt_spool(Relation index, BTItem btitem, void *spool);
extern void _bt_leafbuild(Relation index, void *spool);
typedef struct BTSpool BTSpool; /* opaque type known only within nbtsort.c */
extern BTSpool *_bt_spoolinit(Relation index, bool isunique);
extern void _bt_spooldestroy(BTSpool *btspool);
extern void _bt_spool(BTItem btitem, BTSpool *btspool);
extern void _bt_leafbuild(BTSpool *btspool);
#endif /* NBTREE_H */