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-rw-r--r--src/backend/parser/parse_target.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/parser/parse_target.c b/src/backend/parser/parse_target.c
index 5b92502b217..ea522b932b2 100644
--- a/src/backend/parser/parse_target.c
+++ b/src/backend/parser/parse_target.c
@@ -1820,6 +1820,10 @@ FigureColnameInternal(Node *node, char **name)
/* make GROUPING() act like a regular function */
*name = "grouping";
return 2;
+ case T_MergeSupportFunc:
+ /* make MERGE_ACTION() act like a regular function */
+ *name = "merge_action";
+ return 2;
case T_SubLink:
switch (((SubLink *) node)->subLinkType)
{