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-rw-r--r--src/include/utils/snapmgr.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/include/utils/snapmgr.h b/src/include/utils/snapmgr.h
index fc641537804..8585194e785 100644
--- a/src/include/utils/snapmgr.h
+++ b/src/include/utils/snapmgr.h
@@ -56,10 +56,10 @@ extern TimestampTz GetOldSnapshotThresholdTimestamp(void);
extern bool FirstSnapshotSet;
-extern TransactionId TransactionXmin;
-extern TransactionId RecentXmin;
+extern PGDLLIMPORT TransactionId TransactionXmin;
+extern PGDLLIMPORT TransactionId RecentXmin;
extern PGDLLIMPORT TransactionId RecentGlobalXmin;
-extern TransactionId RecentGlobalDataXmin;
+extern PGDLLIMPORT TransactionId RecentGlobalDataXmin;
extern Snapshot GetTransactionSnapshot(void);
extern Snapshot GetLatestSnapshot(void);