Обсуждение: Index on date_trunc

I'm trying to index on a part of a datetime field. I tried the
following statement :

create index ns_dt1_idx on netstats (date_trunc('day',NS_DATE) datetime_ops);

It doesn't work and I get :

ERROR:  parser: parse error at or near "'"

Any idea ?


-- 
Christophe Labouisse : Cinéma, typographie, Unix
christophe.labouisse@dial.oleane.com http://www.multimania.com/gabuzo/
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