thanks for this. I did get it to work using coalesce and nullif on opposite sides of the where condition, but the IS DISTINCT FROM certainly sounds a better approach. Coming from SQLServer until last year , never came across it before
Mike
On Wed, 19 Dec 2018 at 10:57, Arnaud L. <arnaud.listes@xxxxxxxxx> wrote:
Le 19/12/2018 à 11:41, Mike Martin a écrit :
> cast(nullif(d.joineddate,NULL) as timestamp) != cast(nullif(s.joineddate,'') as timestamp)
Try with
d.joineddate IS DISTINCT FROM s.joineddate
https://www.postgresql.org/docs/current/functions-comparison.html
Cheers
--
Arnaud
