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-rw-r--r--contrib/postgres_fdw/connection.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/postgres_fdw/connection.c b/contrib/postgres_fdw/connection.c
index 62ccea4c460..0e54901061c 100644
--- a/contrib/postgres_fdw/connection.c
+++ b/contrib/postgres_fdw/connection.c
@@ -305,7 +305,7 @@ begin_remote_xact(ConnCacheEntry *entry)
elog(DEBUG3, "starting remote transaction on connection %p",
entry->conn);
- if (XactIsoLevel == XACT_SERIALIZABLE)
+ if (IsolationIsSerializable())
sql = "START TRANSACTION ISOLATION LEVEL SERIALIZABLE";
else
sql = "START TRANSACTION ISOLATION LEVEL REPEATABLE READ";