On Mon, 2008-08-25 at 10:18 -0400, Tom Lane wrote:
Ow Mun Heng [EMAIL PROTECTED] writes:
On Mon, 2008-08-25 at 12:23 +0800, Ow Mun Heng wrote:
CREATE INDEX idx_d_trh_code_id_partial
ON xmms.d_trh_table
USING btree
(code_id) where code_id not in ('P000','000') and code_id is not null;
Ow Mun Heng [EMAIL PROTECTED] writes:
On Mon, 2008-08-25 at 10:18 -0400, Tom Lane wrote:
I suppose code_id is varchar or some such?
Yep
After a few more investigation on the usefulness of the partial indexes,
I found that, it really isn't all that useful, perhaps some experts can
shed
