DERBY-3155: Make the INSERT column list optional in the WHEN NOT MATCHED clause of a MERGE statement provided that the number of values in the VALUES subclause equals the number of columns in the target table; commit derby-3155-12-aa-canOmitInsertColumnList.diff.
db/derby/code/trunk/java/engine/org/apache/derby/impl/sql/compile/MatchingClauseNode.java