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authorSimon Riggs <simon@2ndQuadrant.com>2010-04-21 19:53:24 +0000
committerSimon Riggs <simon@2ndQuadrant.com>2010-04-21 19:53:24 +0000
commitf6e092701c6ac7bb98ed88a769daa13d3a1755d9 (patch)
tree5dfeb980d84f0a92160986edd145eee422ffe628
parent0192abc4d7792117d53c6c894eeeaa83b02802c5 (diff)
downloadpostgresql-f6e092701c6ac7bb98ed88a769daa13d3a1755d9.tar.gz
postgresql-f6e092701c6ac7bb98ed88a769daa13d3a1755d9.zip
Only send cleanup_info messages if VACUUM removes any tuples.
There is no other purpose for this message type than to report the latestRemovedXid of removed tuples, prior to index scans. Removes overlooked path for sending invalid latestRemovedXid. Fixes buildfarm failure on centaur.
-rw-r--r--src/backend/commands/vacuumlazy.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/backend/commands/vacuumlazy.c b/src/backend/commands/vacuumlazy.c
index 6e807e3b479..0b4047657ea 100644
--- a/src/backend/commands/vacuumlazy.c
+++ b/src/backend/commands/vacuumlazy.c
@@ -29,7 +29,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/commands/vacuumlazy.c,v 1.133 2010/04/21 17:20:56 sriggs Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/vacuumlazy.c,v 1.134 2010/04/21 19:53:24 sriggs Exp $
*
*-------------------------------------------------------------------------
*/
@@ -274,9 +274,12 @@ vacuum_log_cleanup_info(Relation rel, LVRelStats *vacrelstats)
if (rel->rd_istemp || !XLogIsNeeded())
return;
- Assert(TransactionIdIsValid(vacrelstats->latestRemovedXid));
+ if (vacrelstats->tuples_deleted > 0)
+ {
+ Assert(TransactionIdIsValid(vacrelstats->latestRemovedXid));
- (void) log_heap_cleanup_info(rel->rd_node, vacrelstats->latestRemovedXid);
+ (void) log_heap_cleanup_info(rel->rd_node, vacrelstats->latestRemovedXid);
+ }
}
/*