SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function multiIf (children 1)
     ExpressionList (children 5)
      Function equals (children 1)
       ExpressionList (children 2)
        Function modulo (children 1)
         ExpressionList (children 2)
          Identifier col1
          Literal UInt64_2
        Literal UInt64_0
      Literal \'foo\'
      Literal UInt64_1
      Function toFixedString (children 1)
       ExpressionList (children 2)
        Identifier col3
        Literal UInt64_16
      Identifier col4
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier multi_if_check