On Feb 7, 2011, at 11:00 PM, A B wrote:
> So until this changes, can you just add a boolean field to tell if the
> column should be used in the index, and then run "create index ....
> where use_in_index = true" or are there other (better?) ways of doing
> this?
If you want you can do that Or You can use proper where clause as given below:
CREATE INDEX indexname on tablename(columname) where condition;
example:
create index directed_graph_idx on directed_graph(node_from) where node_from in
('A','B');
Thanks & Regards,
Vibhor Kumar
[email protected]
Blog:http://vibhork.blogspot.com
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