Re: Comparing text field

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От chris smith
Тема Re: Comparing text field
Дата
Msg-id 3c1395330604150710r2e4803c9uf2cec327676a7f07@mail.gmail.com
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Ответ на Comparing text field  ("Nik" <XLPizza@gmail.com>)
Список pgsql-general
On 13 Apr 2006 12:20:08 -0700, Nik <XLPizza@gmail.com> wrote:
> I am trying to compare a large string (that has new line characters in
> it) to the contents of the text field (which also has new line
> characters in it) and it is not behaving as expected.
>
> For example I have the following record in the database:
> id=83
> message=VAC153-683-685-131830-
> /O.NEW.KLWX.SV.W.0022.060413T1742Z-060413T1830Z/
> BULLETIN - EAS ACTIVATION REQUESTED
> SEVERE THUNDERSTORM WARNING
> NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
> 142 PM EDT THU APR 13 2006
> THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
> * SEVERE THUNDERSTORM WARNING
>
> If I do the following query
> SELECT id FROM table1 WHERE message='VAC153-683-685-131830-
> /O.NEW.KLWX.SV.W.0022.060413T1742Z-060413T1830Z/
> BULLETIN - EAS ACTIVATION REQUESTED
> SEVERE THUNDERSTORM WARNING
> NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
> 142 PM EDT THU APR 13 2006
> THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
> * SEVERE THUNDERSTORM WARNING'
>
> I get no results back, even though the message is equivalent. How
> should I perform this comparison so that the above query returns id=83?

Could one have \r\n and the other have \n ?

Are you doing the comparison in psql or through a language (php, ruby,
python, other) ?

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