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Refactor XLogOpenRelation() and XLogReadBuffer() in preparation for relation

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forks. XLogOpenRelation() and the associated light-weight relation cache in
xlogutils.c is gone, and XLogReadBuffer() now takes a RelFileNode as argument,
instead of Relation.

For functions that still need a Relation struct during WAL replay, there's a
new function called CreateFakeRelcacheEntry() that returns a fake entry like
XLogOpenRelation() used to.
This commit is contained in:
Heikki Linnakangas
2008-06-12 09:12:31 +00:00
parent c4f2a0458d
commit a213f1ee6c
20 changed files with 295 additions and 427 deletions
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6
src/include/access/gist_private.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.29 2008/04/10 22:25:25 tgl Exp $
* $PostgreSQL: pgsql/src/include/access/gist_private.h,v 1.30 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@ -284,8 +284,8 @@ extern bool gistfitpage(IndexTuple *itvec, int len);
extern bool gistnospace(Page page, IndexTuple *itvec, int len, OffsetNumber todelete, Size freespace);
extern void gistcheckpage(Relation rel, Buffer buf);
extern Buffer gistNewBuffer(Relation r);
extern OffsetNumber gistfillbuffer(Relation r, Page page, IndexTuple *itup,
int len, OffsetNumber off);
extern void gistfillbuffer(Page page, IndexTuple *itup, int len,
OffsetNumber off);
extern IndexTuple *gistextractpage(Page page, int *len /* out */ );
extern IndexTuple *gistjoinvector(
IndexTuple *itvec, int *len,