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From: Jonathan Ellis <jbellis@gmail.com>
Date: Fri, 13 Aug 2010 14:47:23 -0700
Message-ID: <AANLkTin50DVeMMEeG9vTpv7AEfvrGMR14A4cwhtU=TOR@mail.gmail.com>
Subject: Re: Count rows
To: user@cassandra.apache.org, gdusbabek@gmail.com
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Well, it's a bad idea, except when it isn't.  I think I'm okay with
our api evolving to handle more corner cases.

It's true that it runs the risk of encouraging bad design from new users th=
ough.

On Fri, Aug 13, 2010 at 1:07 PM, Gary Dusbabek <gdusbabek@gmail.com> wrote:
> Should we close https://issues.apache.org/jira/browse/CASSANDRA-653
> then? =A0Fetching a count of all rows is just a specific instance of
> fetching the count of a range or rows.
>
> I spoke to a programmer at the summit who was working on this ticket
> mainly as a way of getting familiar with the codebase. =A0He didn't want
> to submit a patch though, if there was zero chance of it ever being
> committed.
>
> Gary
>
> On Fri, Aug 13, 2010 at 12:52, Jonathan Ellis <jbellis@gmail.com> wrote:
>> because it would work amazingly poorly w/ billions of rows. =A0it's an
>> antipattern.
>>
>> On Fri, Aug 13, 2010 at 10:50 AM, Mark <static.void.dev@gmail.com> wrote=
:
>>> On 8/13/10 10:44 AM, Jonathan Ellis wrote:
>>>>
>>>> not without fetching all of them with get_range_slices
>>>>
>>>> On Fri, Aug 13, 2010 at 10:37 AM, Mark<static.void.dev@gmail.com> =A0w=
rote:
>>>>
>>>>>
>>>>> Is there some way I can count the number of rows in a CF.. CLI, MBean=
?
>>>>>
>>>>> Gracias
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>
>>> Im guessing you would advise against this? Any reason this wouldn't be
>>> exposed via a MBean?
>>>
>>
>>
>>
>> --
>> Jonathan Ellis
>> Project Chair, Apache Cassandra
>> co-founder of Riptano, the source for professional Cassandra support
>> http://riptano.com
>>
>


--=20
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com