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Fix some latent bugs in dllist.c (carelessness about setting

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all fields that should be set).  Add a MoveToFront primitive to speed up
one of the hotspots in SearchSysCache.
This commit is contained in:
Tom Lane
1999-05-31 23:48:04 +00:00
parent 2a44383a2d
commit 185b427284
3 changed files with 73 additions and 40 deletions
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3
src/include/lib/dllist.h
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@@ -26,7 +26,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: dllist.h,v 1.9 1999/02/13 23:21:30 momjian Exp $
* $Id: dllist.h,v 1.10 1999/05/31 23:48:03 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -66,6 +66,7 @@ extern void DLRemove(Dlelem *); /* removes node from list */
extern void DLAddHead(Dllist *list, Dlelem *node);
extern void DLAddTail(Dllist *list, Dlelem *node);
extern Dlelem *DLRemHead(Dllist *list); /* remove and return the head */
extern void DLMoveToFront(Dlelem *); /* move node to front of its list */
#define DLE_VAL(x) (x->dle_val)