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-rw-r--r--src/include/access/xlog.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h
index a14126d164f..da715803644 100644
--- a/src/include/access/xlog.h
+++ b/src/include/access/xlog.h
@@ -209,6 +209,7 @@ extern int XLogFileOpen(XLogSegNo segno, TimeLineID tli);
extern void CheckXLogRemoved(XLogSegNo segno, TimeLineID tli);
extern XLogSegNo XLogGetLastRemovedSegno(void);
+extern XLogSegNo XLogGetOldestSegno(TimeLineID tli);
extern void XLogSetAsyncXactLSN(XLogRecPtr asyncXactLSN);
extern void XLogSetReplicationSlotMinimumLSN(XLogRecPtr lsn);