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.