| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Andreas Joseph Krogh <andreas(at)visena(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Thangavel, Parameswaran" <Parameswaran(dot)Thangavel(at)rsa(dot)com>, "pgsql-jdbc(at)postgresql(dot)org" <pgsql-jdbc(at)postgresql(dot)org> |
| Subject: | Re: PostgresSQL 10 | Driver 42.2.5 | Float Conversion Issue |
| Date: | 2020-10-20 19:30:47 |
| Message-ID: | CAKFQuwYa=VsYuhCYEn+jCWc_s52h-oOVRzL696iQSJKHHbELOg@mail.gmail.com |
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| Lists: | pgsql-jdbc |
On Tuesday, October 20, 2020, Andreas Joseph Krogh <andreas(at)visena(dot)com>
wrote:
> På tirsdag 20. oktober 2020 kl. 20:59:45, skrev David G. Johnston <
> david(dot)g(dot)johnston(at)gmail(dot)com>:
>
> On Tuesday, October 20, 2020, Andreas Joseph Krogh <andreas(at)visena(dot)com>
> wrote:
>>
>> there should, IMO, be a big fat warning "Don't use the float datatype, at
>> all" somewhere.
>>
>
> Chapter 8.1
>
> David J.
>
>
> Many, at least non-programmers, expect computers to act like calculators
> when it comes to numbers and arithmetic operations, and I can't blame them.
>
Our target audience here is programmers so while I agree with the
observation I don’t see its relevance. Programming computers and using
numbers means at some point you need to be at least aware of floating point
dynamics and choose appropriate data types.
David J.
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