On Sat, 22 Mar 2003, Rajesh Kumar Mallah wrote:
> To get current_time_id i use a query like
> SELECT time_id from time_dimension where sql_time=date_trunc('minute' , cast(now() as time without time zone) );
>
> it works but uses seq_scan
> Seq Scan on time_dimension (cost=0.00..35.00 rows=5 width=4) (actual time=4.75..8.16 rows=1 loops=1)
> Filter: ((sql_time)::interval = date_trunc('minute'::text, ((now())::time without time zone)::interval))
> Total runtime: 8.20 msec
How about something like:
select time_id from time_dimension where sql_time=cast(date_trunc('minute', now()) as time);