SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function arrayStringConcat (children 1)
     ExpressionList (children 2)
      Identifier arr
      Literal \'; \'
   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 array (alias arr) (children 1)
            ExpressionList (children 2)
             Function toDate (children 1)
              ExpressionList (children 1)
               Literal \'2021-10-01\'
             Function toDate (children 1)
              ExpressionList (children 1)
               Literal \'2021-10-02\'