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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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4
src/include/access/heapam.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/heapam.h,v 1.135 2008/06/06 22:35:22 alvherre Exp $
* $PostgreSQL: pgsql/src/include/access/heapam.h,v 1.136 2008/06/12 09:12:31 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@@ -124,7 +124,7 @@ extern void heap_page_prune_opt(Relation relation, Buffer buffer,
extern int heap_page_prune(Relation relation, Buffer buffer,
TransactionId OldestXmin,
bool redirect_move, bool report_stats);
extern void heap_page_prune_execute(Relation reln, Buffer buffer,
extern void heap_page_prune_execute(Buffer buffer,
OffsetNumber *redirected, int nredirected,
OffsetNumber *nowdead, int ndead,
OffsetNumber *nowunused, int nunused,