"Jonathan Ellis" <[EMAIL PROTECTED]> writes:
> On 4/6/07, Tom Lane <[EMAIL PROTECTED]> wrote:
>> Yeah, it sure is the same plan, and 8.2 seems to be a tad faster right
>> up to the hash join on user_id. Is user_id a textual datatype?
> user_id is an int; they are both C locale.
Really!? So much for that theory.
Is work_mem set similarly on both installations?
The only other thing I can think is that you've exposed some unfortunate
corner case in the hash join logic. Would you be willing to send me
(off-list) the lists of user_ids being joined? That would be the
clan_members.user_id column and the user_id column from the join of
parties and clan_participants.
regards, tom lane
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