1 files changed, 34 insertions, 0 deletions
diff --git a/src/include/utils/pg_lsn.h b/src/include/utils/pg_lsn.h
new file mode 100644
index 00000000000..dc2193006e5
--- /dev/null
+++ b/src/include/utils/pg_lsn.h
@@ -0,0 +1,34 @@
+/*-------------------------------------------------------------------------
+ *
+ * pg_lsn.h
+ *		Declarations for operations on log sequence numbers (LSNs) of
+ *		PostgreSQL.
+ *
+ *
+ * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/utils/pg_lsn.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef PG_LSN_H
+#define PG_LSN_H
+
+#include "fmgr.h"
+
+extern Datum pg_lsn_in(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_out(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_recv(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_send(PG_FUNCTION_ARGS);
+
+extern Datum pg_lsn_eq(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_ne(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_lt(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_gt(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_le(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_ge(PG_FUNCTION_ARGS);
+
+extern Datum pg_lsn_mi(PG_FUNCTION_ARGS);
+
+#endif   /* PG_LSN_H */