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-rw-r--r--src/include/utils/snapmgr.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/utils/snapmgr.h b/src/include/utils/snapmgr.h
index ab953669bf2..86c48d9c8ef 100644
--- a/src/include/utils/snapmgr.h
+++ b/src/include/utils/snapmgr.h
@@ -58,7 +58,7 @@ extern bool FirstSnapshotSet;
extern TransactionId TransactionXmin;
extern TransactionId RecentXmin;
-extern TransactionId RecentGlobalXmin;
+extern PGDLLIMPORT TransactionId RecentGlobalXmin;
extern TransactionId RecentGlobalDataXmin;
extern Snapshot GetTransactionSnapshot(void);