On Fri, Oct 11, 2024 at 6:18 PM Greg Sabino Mullane <htamf...@gmail.com>
wrote:

> (please start a new thread in the future rather than replying to an
> existing one)
>
> You cannot query on b and use an index on (a,b) as you observed. However,
> you can have two indexes:
>
> index1(a)
> index2(b)
>
> Postgres will be able to combine those when needed in the case where your
> WHERE clause needs to filter by both columns. So then you no longer need
> the two-column index.
>
> Cheers,
> Greg
>


Hi greg

Mail sent you with a new thread. composite key is on partitioned table

Regards,
Durga Mahesh

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