--- Guy Fraser <guy@incentre.net> wrote:
> Kenneth Gonsalves wrote:
>
> >On Tuesday 20 January 2004 19:26, Chris Bowlby
> wrote:
> >
> >
> >>Hi Ken,
> >>
> >> Under 7.3.x this option was removed, you need to
> test via:
> >>
> >> SELECT * from table where field IS NULL;
> >>
> >>
> >thanx - works in both 7.1 and 7.3 - why do these
> guys keep fooling around
> >with these thangs?
> >
> >
> Standards compliance :-)
You can get the old behaviour by setting
"transform_null_equals" to true in postgresql.conf.
I believe that this was originally added to add
compatibility with MS Access. But Access no longer
requires this, and the developers were not interested
in maintaining a non-spec-compliant behaviour. But
the postgresql.conf setting was retained for those who
have code that relies on that behaviour.
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