SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 4)
    Identifier Key
    Function any (children 1)
     ExpressionList (children 1)
      Identifier Value
    Function any (children 1)
     ExpressionList (children 1)
      Identifier ConcatArraySimple
    Function groupArrayArrayMerge (children 1)
     ExpressionList (children 1)
      Identifier ConcatArrayComplex
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier summing_mt_aggregating_column
   ExpressionList (children 1)
    Identifier Key
