Re: CONCAT function adding extra characters

[Tom Lane]

AI Rumman <rumman...@gmail.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?

                        regards, tom lane