Michael Bayer wrote:
> I tend to use a CASE statement for this: CASE WHEN x IS NULL THEN 0
> ELSE x . We have case() construct for that.
Yes, but that still leaves me with having to code "infinity" some way.
> For your version, use func.coalesce(start, literal_column("timestamp '-
> infinity'")) .
Thank you. literal_column was exactly what I was looking for.
Though I still would like to have "nulls first/last" as well, this
construct is also useful when checking date ranges with "between".
Thanks again for your quick and helpful answer, as always...
-- Christoph
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