Add comment explaining why RelationOpenSmgr() call is not needed.

diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c
index 22ba7880ae5224a66832cea6ccd194cb755b1a07..21f3bfc1b00f38761c437e9c491f87a281e3d3a8 100644 (file)
--- a/src/backend/executor/execMain.c
+++ b/src/backend/executor/execMain.c
@@ -26,7 +26,7 @@
  *
  *
  * IDENTIFICATION
- *       $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.262 2005/12/02 20:03:40 tgl Exp $
+ *       $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.263 2006/01/07 22:30:43 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1002,6 +1002,7 @@ ExecEndPlan(PlanState *planstate, EState *estate)
                        !estate->es_into_relation_descriptor->rd_istemp)
                {
                        FlushRelationBuffers(estate->es_into_relation_descriptor);
+                       /* FlushRelationBuffers will have opened rd_smgr */
                        smgrimmedsync(estate->es_into_relation_descriptor->rd_smgr);
                }