2011/3/9 Dmitriy Igrishin <dmitigr@gmail.com>:
>
>
> 2011/3/9 Pavel Stehule <pavel.stehule@gmail.com>
>>
>> 2011/3/9 Dmitriy Igrishin <dmitigr@gmail.com>:
>> > Hey all,
>> >
>> > dmitigr=> select to_char(1, '9');
>> > to_char
>> > ---------
>> > 1
>> >
>> > dmitigr=> select length(to_char(1, '9'));
>> > length
>> > --------
>> > 2
>> >
>> > Why to_char() includes preceding blank space in the result ?
>>
>> it is compatibility with Oracle?
>
> Do you mean the case of MI ?
> So, is this leading space reserved for a sign of number by default ?
yes
pavel=# select '>' || to_char(-1,'9') || '<';
?column?
──────────
>-1<
(1 row)
regards
Pavel
>>
>> Regards
>>
>> Pavel
>>
>> >
>> > --
>> > // Dmitriy.
>> >
>> >
>> >
>
>
>
> --
> // Dmitriy.
>
>
>