Re: CONCAT function adding extra characters

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: AI Rumman <rummandba(at)gmail(dot)com>
Cc: pgsql-general General <pgsql-general(at)postgresql(dot)org>
Subject: Re: CONCAT function adding extra characters
Date: 2021-06-15 19:07:41
Message-ID: 436968.1623784061@sss.pgh.pa.us
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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?

regards, tom lane

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