SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function toUnixTimestamp (children 1)
     ExpressionList (children 1)
      Identifier timeBerlin
    Function toUnixTimestamp (children 1)
     ExpressionList (children 1)
      Identifier timeLA
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tztest
