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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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10
src/backend/commands/trigger.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.234 2008/05/15 00:17:39 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.235 2008/07/13 20:45:47 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -2203,17 +2203,17 @@ ltrmark:;
}
else
{
PageHeader dp;
Page page;
ItemId lp;
buffer = ReadBuffer(relation, ItemPointerGetBlockNumber(tid));
dp = (PageHeader) BufferGetPage(buffer);
lp = PageGetItemId(dp, ItemPointerGetOffsetNumber(tid));
page = BufferGetPage(buffer);
lp = PageGetItemId(page, ItemPointerGetOffsetNumber(tid));
Assert(ItemIdIsNormal(lp));
tuple.t_data = (HeapTupleHeader) PageGetItem((Page) dp, lp);
tuple.t_data = (HeapTupleHeader) PageGetItem(page, lp);
tuple.t_len = ItemIdGetLength(lp);
tuple.t_self = *tid;
tuple.t_tableOid = RelationGetRelid(relation);