Thank you very much for your comment. I have removed the duplicate line. I thought about current_timestamp and decided not to implement it because I provide function now(). However it is not a problem to provide current_timestamp as well. Will be done soon.
coalesce() is indeed very useful. I will implement it too.
Thanks again.
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Thank you very much for your comment. I have removed the duplicate line. I thought about
current_timestampand decided not to implement it because I provide functionnow(). However it is not a problem to providecurrent_timestampas well. Will be done soon.coalesce()is indeed very useful. I will implement it too.Thanks again.