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Clean up the use of some page-header-access macros: principally, use

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SizeOfPageHeaderData instead of sizeof(PageHeaderData) in places where that
makes the code clearer, and avoid casting between Page and PageHeader where
possible.  Zdenek Kotala, with some additional cleanup by Heikki Linnakangas.

I did not apply the parts of the proposed patch that would have resulted in
slightly changing the on-disk format of hash indexes; it seems to me that's
not a win as long as there's any chance of having in-place upgrade for 8.4.
This commit is contained in:
Tom Lane
2008-07-13 20:45:47 +00:00
parent 45efb09a01
commit 9d035f4254
17 changed files with 96 additions and 104 deletions
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5
src/backend/access/gist/gistutil.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/gist/gistutil.c,v 1.29 2008/06/19 00:46:03 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/access/gist/gistutil.c,v 1.30 2008/07/13 20:45:46 tgl Exp $
*-------------------------------------------------------------------------
*/
#include "postgres.h"
@ -591,8 +591,7 @@ gistcheckpage(Relation rel, Buffer buf)
/*
* Additionally check that the special area looks sane.
*/
if (((PageHeader) (page))->pd_special !=
(BLCKSZ - MAXALIGN(sizeof(GISTPageOpaqueData))))
if (PageGetSpecialSize(page) != MAXALIGN(sizeof(GISTPageOpaqueData)))
ereport(ERROR,
(errcode(ERRCODE_INDEX_CORRUPTED),
errmsg("index \"%s\" contains corrupted page at block %u",