Index not being used

Howdy,

I have a table like:
CREATE TABLE sometable (cdate date, ....);

and

CREATE INDEX sometable_cdate on sometable (cdate);

Question is, why does the following use the index

EXPLAIN SELECT cdate FROM sometable WHERE cdate = '02/14/2002';

but this does not

EXPLAIN SELECT cdate FROM sometable WHERE cdate = current_date;

I would like to make the SQL call dynamic and not have to make my code do the work.

Thanks for any help,
Matthew

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