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help / color / mirror / Atom feedFrom: Bruce Momjian <[email protected]>
To: [email protected]
To: [email protected]
Subject: Re: decimal digits precision for real and double precision types
Date: Tue, 7 Aug 2018 18:54:26 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
On Tue, Jul 17, 2018 at 07:15:41PM +0000, PG Doc comments form wrote:
> The following documentation comment has been logged on the website:
>
> Page: https://www.postgresql.org/docs/10/static/datatype-numeric.html
> Description:
>
> In table 8.2 for numeric types, when the documentation states "6 decimal
> digits precision" for the real type, we are talking about 6 digits after the
> decimal point or 6 digits in total (before and after)?
Well the number is stored as a mantissa and exponent, so it is 6
mantissa digits plus an exponent from 1E-37 to 1E+37.
--
Bruce Momjian <[email protected]> http://momjian.us
EnterpriseDB http://enterprisedb.com
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Subject: Re: decimal digits precision for real and double precision types
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