Jakub Ouhrabka <kuba(at)comgate(dot)cz> writes:
> preparing the test case was easier than I expected. It's attached. Fast
> planning on 8.2.4, very slow on 8.2.5.
Hmm. I think there are two different bugs involved here. One is fixed
by the attached patch, and it masks the performance problem on your test
case, but I wonder whether it will be enough for your real application.
Can you try this and see if it fixes 8.2.5 for you?
regards, tom lane
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