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-rw-r--r--src/include/miscadmin.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/include/miscadmin.h b/src/include/miscadmin.h
index 96b3a1e1a07..c309e0233d6 100644
--- a/src/include/miscadmin.h
+++ b/src/include/miscadmin.h
@@ -332,6 +332,8 @@ typedef enum BackendType
B_WAL_WRITER,
} BackendType;
+#define BACKEND_NUM_TYPES (B_WAL_WRITER + 1)
+
extern PGDLLIMPORT BackendType MyBackendType;
extern const char *GetBackendTypeDesc(BackendType backendType);