From: | Thom Brown <thombrown(at)gmail(dot)com> |
---|---|
To: | Satoshi Nagayasu <satoshi(dot)nagayasu(at)gmail(dot)com> |
Cc: | Magnus Hagander <magnus(at)hagander(dot)net>, pgsql-docs <pgsql-docs(at)postgresql(dot)org> |
Subject: | Re: INTEGER range ("-2147483648" is not accepted.) |
Date: | 2010-06-22 09:46:30 |
Message-ID: | AANLkTil8g4KBzILetkAnygNnltFKothMXfITfOH9FraR@mail.gmail.com |
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On 22 June 2010 09:59, Satoshi Nagayasu <satoshi(dot)nagayasu(at)gmail(dot)com> wrote:
> Magnus,
>
> Thanks for your advice. I've understood how it happens.
>
> However, it looks tricky and difficult to understand,
> so I hope that the message could be more understandable
> as Thom mentioned.
>
> Regards,
>
This does appear to be a gotcha, as the following returns a negative
integer as expected:
postgres=# SELECT -2147483648;
?column?
-------------
-2147483648
(1 row)
postgres=# SELECT pg_typeof(-2147483648);
pg_typeof
-----------
integer
(1 row)
And just in case...
postgres=# SELECT pg_typeof(test.my_num) FROM (SELECT -2147483648) AS
test(my_num);
pg_typeof
-----------
integer
(1 row)
So it's affected by the cast operator?
Thom
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