SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function groupUniqArrayForEachMerge (children 1)
     ExpressionList (children 1)
      Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function groupUniqArrayForEachStateArray (alias x) (children 1)
            ExpressionList (children 1)
             Literal Array_[Array_[UInt64_1], Array_[UInt64_1], Array_[UInt64_1]]
