Re: [HACKERS] JPA + enum == Exception

Dave Cramer <pg@fastcrypt.com>

From: Dave Cramer <pg@fastcrypt.com>
To: Tom Dunstan <pgsql@tomd.cc>
Cc: "pgsql-jdbc@postgresql.org" <pgsql-jdbc@postgresql.org>
Date: 2013-07-08T10:23:45Z
Lists: pgsql-hackers
Tom,

Thanks!

Dave Cramer

dave.cramer(at)credativ(dot)ca
http://www.credativ.ca


On Sun, Jul 7, 2013 at 12:09 AM, Tom Dunstan <pgsql@tomd.cc> wrote:

> On 5 July 2013 19:27, Dave Cramer <pg@fastcrypt.com> wrote:
>
>> I would think setObject should respect stringtype=unspecified. So I would
>> be willing to accept this as a solution
>>
>
> OK, here's a pull request with a unit test to cover expected behaviour
> with different combinations of setObject and setString, for inserts and
> queries.
>
> https://github.com/pgjdbc/pgjdbc/pull/68
>
> Interestingly, when I first tried this I tried using point as the type to
> test rather than an enum (so that I didn't have to create the enum type in
> the test), but it would fail when trying to select a row out in a query
> like "select * from thetable where p = ?" saying "operator does not exist:
> point = unknown". I presume that this due to multiple = operators for the
> point type at the db level, so the backend can't decide which type to
> create. I guess there's not much that we can do about that - if things are
> ambiguous then you need to be more specific, and of course we have a
> PGpoint java object anyway.
>
> Cheers
>
> Tom
>