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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/backend/access/heap/pruneheap.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/heap/pruneheap.c,v 1.13 2008/06/08 22:00:47 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/access/heap/pruneheap.c,v 1.14 2008/06/12 09:12:30 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@@ -225,7 +225,7 @@ heap_page_prune(Relation relation, Buffer buffer, TransactionId OldestXmin,
* and update the page's hint bit about whether it has free line
* pointers.
*/
heap_page_prune_execute(relation, buffer,
heap_page_prune_execute(buffer,
prstate.redirected, prstate.nredirected,
prstate.nowdead, prstate.ndead,
prstate.nowunused, prstate.nunused,
@@ -696,7 +696,7 @@ heap_prune_record_unused(PruneState *prstate, OffsetNumber offnum)
* arguments are identical to those of log_heap_clean().
*/
void
heap_page_prune_execute(Relation reln, Buffer buffer,
heap_page_prune_execute(Buffer buffer,
OffsetNumber *redirected, int nredirected,
OffsetNumber *nowdead, int ndead,
OffsetNumber *nowunused, int nunused,