Re: doesn't recognize "!=-" (not equal to a negative

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От Scott Marlowe
Тема Re: doesn't recognize "!=-" (not equal to a negative
Дата
Msg-id 1152650900.6540.86.camel@state.g2switchworks.com
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Ответ на doesn't recognize "!=-" (not equal to a negative value)  (Paul Tilles <Paul.Tilles@noaa.gov>)
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On Tue, 2006-07-11 at 12:11, Paul Tilles wrote:
> Version postgres 7.4.7:
>
> Following sql
>
> UPDATE tablename SET value = 0.0 where value!=-9.4;
>
> results in the error message
>
> ERROR:  operator does not exist: smallint !=- integer
> HINT:  No operator matches the given name and argument type(s). You may
> need to add explicit type casts.
>
> Seems that postgres has a problem parsing a "not equal negative value".
>
> Anybody know if this is fixed in later versions?

Ummmm.  technically, it's not broken.

SQL spec says not equal is specified by:

<>

not

!=

OTOH, if you put a space in there, it'd work.

UPDATE tablename SET value = 0.0 where value != -9.4;

should work.

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