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-rw-r--r--src/include/nodes/execnodes.h2
-rw-r--r--src/include/nodes/primnodes.h2
2 files changed, 3 insertions, 1 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h
index fa2f70b7a48..c1a65bad2a9 100644
--- a/src/include/nodes/execnodes.h
+++ b/src/include/nodes/execnodes.h
@@ -545,7 +545,7 @@ typedef struct ResultRelInfo
OnConflictSetState *ri_onConflict;
/* for MERGE, lists of MergeActionState (one per MergeMatchKind) */
- List *ri_MergeActions[3];
+ List *ri_MergeActions[NUM_MERGE_MATCH_KINDS];
/* for MERGE, expr state for checking the join condition */
ExprState *ri_MergeJoinCondition;
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h
index 719c4b7b615..247cecb4b45 100644
--- a/src/include/nodes/primnodes.h
+++ b/src/include/nodes/primnodes.h
@@ -1970,6 +1970,8 @@ typedef enum MergeMatchKind
MERGE_WHEN_NOT_MATCHED_BY_TARGET
} MergeMatchKind;
+#define NUM_MERGE_MATCH_KINDS (MERGE_WHEN_NOT_MATCHED_BY_TARGET + 1)
+
typedef struct MergeAction
{
NodeTag type;