NOW vs CURRENT_DATE - Mailing list pgsql-performance

From dforum
Subject NOW vs CURRENT_DATE
Date
Msg-id 48B1BE33.3060505@vieonet.com
Whole thread Raw
Responses Re: NOW vs CURRENT_DATE  (Peter Schuller <peter.schuller@infidyne.com>)
Re: NOW vs CURRENT_DATE  (Tino Wildenhain <tino@wildenhain.de>)
List pgsql-performance
Hello every body,

I just discover a big not only big huge difference between NOW() and
CURRENT_DATE.

Did you already know about it and do you know why ?

DELETE FROM blacklist where bl_date < (NOW() - interval '2 DAY');
on 6 000 000 of records
699 ms

DELETE FROM blacklist where bl_date < (CURRENT_DATE - interval '2 DAY');
on 6 000 000 of records

0.065 ms

tx

david

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