Re: BUG #15334: Partition elimination not working as expected whenusing enum as partition key

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От Damir Ciganović-Janković
Тема Re: BUG #15334: Partition elimination not working as expected whenusing enum as partition key
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Msg-id CA+-2sJ4beOBPcKsLuJJ_UVecYYPBzCTHZ+o2Uv0s7+x1Y5dXSw@mail.gmail.com
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Ответ на Re: BUG #15334: Partition elimination not working as expected when using enum as partition key  (Andrew Gierth <andrew@tao11.riddles.org.uk>)
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Hey Amit and Andrew, thank you for helping me :-) Your explanations makes sense.
We have the way to get around it currently and are eagerly waiting for the 11 release :-) 

Once again, thank you for your hard work :-)
Damir

On Mon, Aug 20, 2018 at 8:06 AM Andrew Gierth <andrew@tao11.riddles.org.uk> wrote:
>>>>> "Amit" == Amit Langote <Langote_Amit_f8@lab.ntt.co.jp> writes:

 Amit> Andrew also mentioned a workaround in his reply to use setString
 Amit> such that JDBC doesn't pass 'MONTH' as of type 'text' and instead
 Amit> as of unknown type. I could't find the documentation of Postgres
 Amit> JDBC's setString to see how one can do that, but maybe you can
 Amit> try it out.

Disclaimer: I don't do java stuff myself, all I know about this is from
reading the code.

First, there's a connection parameter stringtype=unspecified that
affects all setString calls on the connection. Second, there may be a
way to use setObject instead; setObject(1, str, Types.DISTINCT) looks
like it might work (or maybe Types.OTHER) - unless I'm completely
misreading the pgjdbc code, that should end up sending the right thing
to the server.

--
Andrew (irc:RhodiumToad)

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