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From: Zachary Zolton <zachary.zolton@gmail.com>
Date: Mon, 12 Apr 2010 16:22:01 -0500
Message-ID: <i2jf728979f1004121422o32c6fcfcwf03982a3f5e52f20@mail.gmail.com>
Subject: Re: Integers changed to float in Couch 0.11.0
To: user@couchdb.apache.org
Content-Type: text/plain; charset=ISO-8859-1

LOL... I just got bit by this as well, did anyone ever open an JIRA
ticket on this, or shall I?

On Fri, Apr 9, 2010 at 1:54 PM, Paul Davis <paul.joseph.davis@gmail.com> wrote:
> On Fri, Apr 9, 2010 at 1:13 PM, Filipe David Manana <fdmanana@gmail.com> wrote:
>> On Fri, Apr 2, 2010 at 3:37 PM, Paul Davis <paul.joseph.davis@gmail.com>wrote:
>>
>>>
>>> Well, there's a limit to what can be stored in an integer remember. I
>>> wouldn't really hold my breath for anything larger than 2147483648
>>> (2^31). The reason that Futon shows something different is because
>>> JavaScript treats all numbers as floats and then at display time it'll
>>> not display a fractional part if it's zero.
>>>
>>> I'm suprised that it used to work. Can anyone else on 0.10 verify
>>> that? I'm not sure if I remember anything changing in the number
>>> handling in mochijson or not.
>>>
>>>
>> It changed:
>>
>> http://code.google.com/p/mochiweb/source/detail?r=43
>>
>> JSON (and JavaScript) doesn't have a float or integer type. Everything is of
>> type number. So anything greater than (2^31) - 1 can be represented without
>> the decimal separator.
>>
>> In JavaScript:
>>
>>>>> n1 = 1270162450695
>> 1270162450695
>>>>> n2 = 1270162450695.0
>> 1270162450695
>>>>> n1 === n2
>> true
>>
>> I dunno why mochijson2 is making a distinction between integers vs floats.
>>
>
> Oh how awesome. I have no idea why mochijson would do such a thing.
> The only thing that's ever specified about numbers and limits is in
> section 4 with the note "An implementation may set limits on the range
> of numbers."
>
> Blargh.
>
>>
>>
>>> HTH,
>>> Paul Davis
>>>
>>
>>
>>
>> --
>> Filipe David Manana,
>> fdmanana@gmail.com
>>
>> "Reasonable men adapt themselves to the world.
>> Unreasonable men adapt the world to themselves.
>> That's why all progress depends on unreasonable men."
>>
>