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help / color / mirror / Atom feedFrom: Attila Soki <[email protected]>
To: Andrei Lepikhov <[email protected]>
Cc: [email protected]
Cc: Laurenz Albe <[email protected]>
Subject: Re: unstable query plan on pg 16,17,18
Date: Thu, 26 Feb 2026 17:15:52 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
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On 24 Feb 2026, at 17:48, Attila Soki <[email protected]> wrote:
>
>> On 24 Feb 2026, at 16:57, Andrei Lepikhov <[email protected]> wrote:
>>
>> On 24/2/26 16:50, Attila Soki wrote:
>>> Now with join_collapse_limit=7 works for me and I am not able to flip the plan. makes that sense?
>>
>> It is almost a game of chance. But if it solves your problem - why not ;)?
>>
>>> should I still test with increased statistic on table_k.dp_end_dat as Laurenz suggested?
>>
>> Yes, it may provide us additional info for developing.
> ok i try that and come with more info.
> Should I set join_collapse_limit back to default for this test?
>
Increasing the statistics of dp_end_dat did not helped. With statistic 1000 I was not able to get a good plan without setting join_collapse_limit=7
regards,
Attila
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