SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function base58Decode (children 1)
     ExpressionList (children 1)
      Identifier val
   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 arrayJoin (alias val) (children 1)
            ExpressionList (children 1)
             Literal Array_[\'\', \'2m\', \'8o8\', \'bQbp\', \'3csAg9\', \'CZJRhmz\', \'t1Zv2yaZ\', \'\']