Re: [COMMITTERS] pgsql: PL/Python: Convert numeric to Decimal

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: Claudio Freire <klaussfreire(at)gmail(dot)com>
Cc: Szymon Guz <mabewlun(at)gmail(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-Dev <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [COMMITTERS] pgsql: PL/Python: Convert numeric to Decimal
Date: 2013-07-07 19:28:52
Message-ID: 1373225332.12837.22.camel@vanquo.pezone.net
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On Sun, 2013-07-07 at 02:01 -0300, Claudio Freire wrote:
> You really want to test more than just the str. The patch contains
> casts to int and float, which is something existing PLPython code will
> be doing, so it's good to test it still can be done with decimal.

Let's remember that we are regression testing PL/Python here, not
Python. The functionality of PL/Python is to convert a numeric to
Decimal, and that's what we are testing. What Python can or cannot do
with that is not our job to test.

> Existing python code will also expect the number to be a float, and
> will try to operate against other floats. That's not going to work
> anymore, that has to go into release notes.

Right, this will be listed in the release notes under upgrade caveats.

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