SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function tryBase32Decode (children 1)
     ExpressionList (children 1)
      Identifier encoded
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function base32Encode (alias encoded) (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_[\'\', \'f\', \'fo\', \'foo\', \'foob\', \'fooba\', \'foobar\', \'Hello world!\']
