Re: CONCAT function adding extra characters

I saw that problem when I was running the query from DBeaver.
Got my answer.

Thanks & Regards.

On Tue, Jun 15, 2021 at 12:18 PM Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
wrote:

>
>
> út 15. 6. 2021 v 21:07 odesílatel Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> napsal:
>
>> AI Rumman <rummandba(at)gmail(dot)com> writes:
>> > I am using Postgresql 10 and seeing a strange behavior in CONCAT
>> function
>> > when I am concatenating double precision and int with a separator.
>>
>> > select concat('41.1'::double precision,':', 20);
>> >> Result:
>> >> 41.1000000000000014:20
>>
>> What have you got extra_float_digits set to?
>>
>>
> postgres=# set extra_float_digits to 3;
> SET
> postgres=# select concat('41.1'::double precision,':', 20);
> ┌────────────────────────┐
> │ concat │
> ╞════════════════════════╡
> │ 41.1000000000000014:20 │
> └────────────────────────┘
> (1 row)
>
> Pavel
>
>
>
>> regards, tom lane
>>
>>
>>