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-rw-r--r--src/include/storage/proc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/storage/proc.h b/src/include/storage/proc.h
index 809b74db5e6..15be21c00a6 100644
--- a/src/include/storage/proc.h
+++ b/src/include/storage/proc.h
@@ -60,6 +60,9 @@ struct XidCache
#define PROC_VACUUM_FOR_WRAPAROUND 0x08 /* set by autovac only */
#define PROC_IN_LOGICAL_DECODING 0x10 /* currently doing logical
* decoding outside xact */
+#define PROC_AFFECTS_ALL_HORIZONS 0x20 /* this proc's xmin must be
+ * included in vacuum horizons
+ * in all databases */
/* flags reset at EOXact */
#define PROC_VACUUM_STATE_MASK \