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Clean up the messy semantics (not to mention inefficiency) of PageGetTempPage

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by splitting it into three functions with better-defined behaviors.

Zdenek Kotala
This commit is contained in:
Tom Lane
2008-11-03 20:47:49 +00:00
parent f0dae70431
commit b4eae023bb
10 changed files with 60 additions and 55 deletions
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4
src/backend/access/nbtree/nbtinsert.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.167 2008/06/11 08:38:56 heikki Exp $
* $PostgreSQL: pgsql/src/backend/access/nbtree/nbtinsert.c,v 1.168 2008/11/03 20:47:48 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -793,7 +793,7 @@ _bt_split(Relation rel, Buffer buf, OffsetNumber firstright,
rbuf = _bt_getbuf(rel, P_NEW, BT_WRITE);
origpage = BufferGetPage(buf);
leftpage = PageGetTempPage(origpage, sizeof(BTPageOpaqueData));
leftpage = PageGetTempPage(origpage);
rightpage = BufferGetPage(rbuf);
_bt_pageinit(leftpage, BufferGetPageSize(buf));