On Thu, 14 Mar 2002, awais wrote:
> Hi,
>
> We have a table named "atm" in our database which is uing latest
> driver of postgresql, it has a column named "location", all records
> (which are more than 1) of "atm" table have this column value set as
> (null). When we executed the query "select * from atm where
> location=null ", 0 rows were returned, which was not we were
> expecting.
This is the correct behavior. The test you want is really where
location IS NULL. The older versions had a hack to allow
=NULL be transformed into IS NULL due to some broken clients which
is now turned off by default.
You can use set transform_null_equals=true to get back the old behavior.
