On 5/29/21 3:59 PM, Dean Gibson (DB Administrator) wrote:
>
>
> Meanwhile, I've been doing some checking.  If I remove "CAST(
> license_status AS CHAR ) = 'A'", the problem disappears.  Changing the
> JOIN to a RIGHT JOIN, & replacing WHERE with ON, also "solves" the
> problem, but there is an extra row where license_status is NULL, due
> to the RIGHT JOIN.  Currently trying to figure that out (why did the
> CAST ... match 'A', if it is null?)...


Why are you using this expression? It's something you almost never want
to do in my experience. Why not use the substr() function to get the
first character?


cheers


andrew


--
Andrew Dunstan
EDB: https://www.enterprisedb.com



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