Re: postgresql 10.1 wrong plan in when using partitions bug

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Mariel Cherkassky <mariel.cherkassky@xxxxxxxxx> writes:
> Great, it solved the issue. Seems problematic that the planner do full
> scans on all partitions in the first case isnt it ? Seems like a bug ?

to_date isn't an immutable function (it depends on timezone and possibly
some other GUC settings).  So there's a limited amount that the planner
can do with it.

			regards, tom lane




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