Re: type cast about int to bit

does the mailing list mangle these, or is it just GMANE?

On 2012-02-06, zoulx1982 <zoulx1982(at)163(dot)com> wrote:
>hi，
>there is a problem about type cast that i don't understand, follow is my test.
>
>postgres=# select 10::bit(3);
> bit
>-----
> 010
>(1 row)
>postgres=# select 10::bit varying(3);
>ERROR: cannot cast type integer to bit varying
>LINE 1: select 10::bit varying(3);
> ^
>postgres=#
>
>my question is why int can cast to bit , i want to know the reason.
>thank you for your timing.

possibly postgres doesn't know what size to make the result.

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