On Tue, Feb 6, 2018 at 4:55 AM, Amit Langote
<Langote_Amit_f8@lab.ntt.co.jp> wrote:
>> I understand why COLLATION_MATCH think that a collation OID match is
>> OK, but why is InvalidOid also OK? Can you add a comment? Maybe some
>> test cases, too?
>
> partcollid == InvalidOid means the partition key is of uncollatable type,
> so further checking the collation is unnecessary.
Yeah, but in that case wouldn't BOTH OIDs be InvalidOid, and thus the
equality test would mach anyway?
--
Robert Haas
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