SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Function modulo (alias n) (children 1)
     ExpressionList (children 2)
      Identifier a
      Literal UInt64_6
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier b
    Function groupUniqArray (children 1)
     ExpressionList (children 1)
      Identifier c
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_lwu_add_column
   ExpressionList (children 1)
    Identifier n
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier n
