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Diffstat (limited to 'src/backend/optimizer/prep/prepkeyset.c')
-rw-r--r--src/backend/optimizer/prep/prepkeyset.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/backend/optimizer/prep/prepkeyset.c b/src/backend/optimizer/prep/prepkeyset.c
index fc192e6f28b..a28e329e537 100644
--- a/src/backend/optimizer/prep/prepkeyset.c
+++ b/src/backend/optimizer/prep/prepkeyset.c
@@ -107,6 +107,7 @@ transformKeySetQuery(Query *origNode)
Node_Copy(origNode, unionNode, distinctClause);
Node_Copy(origNode, unionNode, sortClause);
Node_Copy(origNode, unionNode, rtable);
+ Node_Copy(origNode, unionNode, jointree);
Node_Copy(origNode, unionNode, targetList);
origNode->unionClause = lappend(origNode->unionClause, unionNode);