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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/gin/ginentrypage.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/gin/ginentrypage.c,v 1.17 2008/07/11 21:06:29 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/gin/ginentrypage.c,v 1.18 2008/11/03 20:47:48 tgl Exp $
*-------------------------------------------------------------------------
*/
@ -458,7 +458,7 @@ entrySplitPage(GinBtree btree, Buffer lbuf, Buffer rbuf, OffsetNumber off, XLogR
leftrightmost = NULL;
static ginxlogSplit data;
Page page;
Page lpage = GinPageGetCopyPage(BufferGetPage(lbuf));
Page lpage = PageGetTempPageCopy(BufferGetPage(lbuf));
Page rpage = BufferGetPage(rbuf);
Size pageSize = PageGetPageSize(lpage);