"Anibal David Acosta" <aa(at)devshock(dot)com> writes:
> I have a table with a column of type timestamp with time zone, this column
> has an index
> If I do a select like this
> select * from mytable where cast(my_date as timestamp without time zone) >
> '2012-10-12 20:00:00'
> this query will use the index over the my_date column?
No. The cast seems rather pointless though ...
regards, tom lane
In response to
pgsql-performance by date
|Next:||From: Tomas Vondra||Date: 2012-10-12 21:14:35|
|Subject: Re: hash aggregation|
|Previous:||From: Scott Marlowe||Date: 2012-10-12 20:37:37|
|Subject: Re: Do cast affects index usage?|