Meetesh Karia <[EMAIL PROTECTED]> writes:
> Sure. The lte_user table is just a collection of users. user_id is assigned=
> uniquely using a sequence. During some processing, we create a candidates=
> table (candidates617004 in our case). This table is usually a temp table.=
> sourceid is a user_id (in this case it is always 617004) and targetid is=20
> also a user_id (2860 distinct values out of 3467). The rest of the=20
> information is either only used in the select clause or not used at all=20
> during this processing.
If you know that sourceid has only a single value, it'd probably be
helpful to call out that value in the query, ie,
where ... AND c.sourceId = 617004 ...
regards, tom lane
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