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authorRobert Haas <rhaas@postgresql.org>2017-05-09 23:13:21 -0400
committerRobert Haas <rhaas@postgresql.org>2017-05-09 23:13:21 -0400
commit304007d9f1f66fd37e50e5a5aa6f17400f1239f8 (patch)
tree72e5894c924878f5c3743a41321eea4207458b6c /src/backend/executor
parent3439f84475642fab029df0c06c81df94e6941dc0 (diff)
downloadpostgresql-304007d9f1f66fd37e50e5a5aa6f17400f1239f8.tar.gz
postgresql-304007d9f1f66fd37e50e5a5aa6f17400f1239f8.zip
Pass EXEC_FLAG_REWIND when initializing a tuplestore scan.
Since a rescan is possible, we must be able to rewind. Thomas Munro, per a report from Prabhat Sabu Discussion: http://postgr.es/m/CAEepm=2=Uv5fm=exqL+ygBxaO+-tgmC=o+63H4zYAXi9HtXf1w@mail.gmail.com
Diffstat (limited to 'src/backend/executor')
-rw-r--r--src/backend/executor/nodeNamedtuplestorescan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/executor/nodeNamedtuplestorescan.c b/src/backend/executor/nodeNamedtuplestorescan.c
index 917b05197a4..44e09426691 100644
--- a/src/backend/executor/nodeNamedtuplestorescan.c
+++ b/src/backend/executor/nodeNamedtuplestorescan.c
@@ -107,7 +107,7 @@ ExecInitNamedTuplestoreScan(NamedTuplestoreScan *node, EState *estate, int eflag
scanstate->relation = (Tuplestorestate *) enr->reldata;
scanstate->tupdesc = ENRMetadataGetTupDesc(&(enr->md));
scanstate->readptr =
- tuplestore_alloc_read_pointer(scanstate->relation, 0);
+ tuplestore_alloc_read_pointer(scanstate->relation, EXEC_FLAG_REWIND);
/*
* The new read pointer copies its position from read pointer 0, which