Re: BUG #15273: Lexer bug with UESCAPE

Поиск
Список
Период
Сортировка
От Bruce Momjian
Тема Re: BUG #15273: Lexer bug with UESCAPE
Дата
Msg-id 20180807174656.GF7297@momjian.us
обсуждение исходный текст
Ответ на Re: BUG #15273: Lexer bug with UESCAPE  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-bugs
On Wed, Jul 11, 2018 at 05:15:15PM -0400, Tom Lane wrote:
> Oh, and one other thing:
> 
> regression=# select 'foo'
> regression-# 'bar';
>  ?column? 
> ----------
>  foobar
> (1 row)
> 
> regression=# select 'foo' -- baz
> 'bar';
>  ?column? 
> ----------
>  foobar
> (1 row)
> 
> regression=# select 'foo' /* baz */
> 'bar';
> ERROR:  syntax error at or near "'bar'"
> LINE 2: 'bar';
>         ^
> 
> So we already have the exact same restriction in all multi-line forms
> of literal.  That's far older than the UESCAPE business, and nobody's
> complained about it that I can recall.

Do we have any comment in the lexer C files about this so we don't
revisit the issue?

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +


В списке pgsql-bugs по дате отправления:

Предыдущее
От: Bruce Momjian
Дата:
Сообщение: Re: BUG #15271: Documentation / Error reporting on GUC parameterchange
Следующее
От: Tom Lane
Дата:
Сообщение: Re: BUG #15310: pg_upgrade dissociates event triggers from extensions