Re: String concatenation work in version 8.2.11 and 8.3.6

thanks,Julius.

2009/2/26 Julius Tuskenis <julius(at)nsoft(dot)lt>

> Hi Tony,
>
> Its not a bug - automatic casting was removed in 8.3. You should cast( a as
> text)||cast(b ... = cast(123456 as text). Other option is to define your own
> operators which is to be used only in case you can not fix clients of your
> database...
>
> Tony Liao rašė:
>
> hi,all
>> for example tableA
>> create table tableA (
>> id serial,
>> a integer,
>> b integer,
>> c integer
>> );
>> insert into tableA (a,b,c) values (12,34,56);
>>
>> then,
>> select id from tableA where (a||b||c)=123456;
>> in postgresql version 8.2.11,it works.
>> but in postgresql version 8.3.6,the error as bellow:
>> ERROR: operator does not exist: integer || integer
>> LINE 1: select id from tableA where (a||b||c)=123456;
>> ^
>> HINT: No operator matches the given name and argument type(s). You
>> might need to add explicit type casts.
>>
>> is it a bug in 8.2.11 or I install 8.3.6 not completely?
>>
>
>
> --
> Julius Tuskenis
> Programavimo skyriaus vadovas
> UAB nSoft
> mob. +37068233050
>
>