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-rw-r--r--src/include/postgres_ext.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/src/include/postgres_ext.h b/src/include/postgres_ext.h
index c9774fa010e..240ad4e93bf 100644
--- a/src/include/postgres_ext.h
+++ b/src/include/postgres_ext.h
@@ -47,14 +47,6 @@ typedef unsigned int Oid;
typedef PG_INT64_TYPE pg_int64;
/*
- * RelFileNumber data type identifies the specific relation file name.
- */
-typedef Oid RelFileNumber;
-#define InvalidRelFileNumber ((RelFileNumber) InvalidOid)
-#define RelFileNumberIsValid(relnumber) \
- ((bool) ((relnumber) != InvalidRelFileNumber))
-
-/*
* Identifiers of error message fields. Kept here to keep common
* between frontend and backend, and also to export them to libpq
* applications.