From: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
---|---|
To: | Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com>, AI Rumman <rummandba(at)gmail(dot)com> |
Cc: | pgsql-general General <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: no implicit cast error in 9.2? |
Date: | 2013-02-08 21:50:05 |
Message-ID: | 1360360205.81926.YahooMailNeo@web162901.mail.bf1.yahoo.com |
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Lists: | pgsql-general |
Adrian Klaver <adrian(dot)klaver(at)gmail(dot)com> wrote:
> On 02/08/2013 12:23 PM, AI Rumman wrote:
>> I got a bit confused after installing this version. So far I used to
>> know that from Postgresql 8.3 implicit casting has been removed and the
>> following should not work at 8.3 :
>> create table testtab ( id varchar, id1 int)
>> insert into testtab values (1,1);
>>
>> Where it was good to work at 8.1
>>
>> http://osdir.com/ml/pgsql-general/2011-02/msg00055.html
>>
>> I also faced the problem earlier.
>>
>> But in 9.2 it is working perfectly.
>> Am I missing any release notes?
>>
>> Please share your opinion. It will be appreciated.
>
> As I remember implicit casting was not entirely removed and the
> text <--> int combination was kept.
I think it has more to do with retaining (or adding back, I don't
recall) *assignment* casts which aren't supported as *implicit*
casts.
test=# select '1'::int = '1'::text;
ERROR: operator does not exist: integer = text
LINE 1: select '1'::int = '1'::text;
^
HINT: No operator matches the given name and argument type(s). You might need to add explicit type casts.
-Kevin
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