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help / color / mirror / Atom feedFrom: Tom Lane <[email protected]>
To: Andrew Dunstan <[email protected]>
Cc: David Rowley <[email protected]>
Cc: Peter Geoghegan <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: [email protected]
Cc: Andrew <[email protected]>
Subject: Re: pg_dump versus hash partitioning
Date: Thu, 02 Feb 2023 09:52:34 -0500
Message-ID: <[email protected]> (raw)
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Andrew Dunstan <[email protected]> writes:
> On 2023-02-01 We 20:03, Tom Lane wrote:
>> Anyway, after re-reading the old thread I wonder if my first instinct
>> (force --load-via-partition-root for enum hash cases only) was the
>> best compromise after all. I'm not sure how painful it is to get
>> pg_dump to detect such cases, but it's probably possible.
> Given the other problems you enumerated upthread, I'd be more inclined
> to go with your other suggestion of
> "--load-via-partition-root=on/off/auto" (with the default presumably
> "auto").
Hmm ... is there any actual value in "off" in this case? We can be
just about certain that dump/reload of a hashed enum key will fail.
If we made "auto" also use --load-via-partition-root for range keys
having collation properties, there'd be more of an argument for
letting users override it.
regards, tom lane
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Subject: Re: pg_dump versus hash partitioning
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