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From Aaron Turner <synfina...@gmail.com>
Subject Re: Second Cassandra users survey
Date Fri, 11 Nov 2011 23:49:41 GMT
Oh, and one more thing:

If you're doing a select and you get no results, then an indication of
no columns or no rows matching would be nice.  Kinda painful when
you're typing in long strings and get no result, wonder why, only to
find out you fat fingered your row key. :(

On Fri, Nov 11, 2011 at 10:29 AM, Aaron Turner <synfinatic@gmail.com> wrote:
> Lately I've been working on some data processing code in Cassandra and
> apparently I don't write bug-free code the very first time. :)  Hence,
> while debugging, I often need to look at data in Cassandra to see what
> my code is doing/should be finding, etc. This turns out to be harder
> then it should be IMHO.
>
> Anyways, what I'd like is a more powerful cqlsh or similar tool which can:
>
> 1. List the rows in a CF (no column data), optionally within a given
> range of keys
> 2. Count the number of columns in a row and within a range of values
> for that row
> 3. Return only the column names for a given row (no values)
> 4. Support CentOS 5 (currently uses python 2.4, but cqlsh-1.0.5
> requires >= 2.5.  1.0.3 worked fine on 2.4)
> 5. Support some basic transformations of data:
>  * return up to the first X bytes of a given value
>  * return length of value in bytes instead of value
> 6. Alternatively print data in the format of something like this to
> make it easier to read:
>
> RowKey1:
> \tname = value
> \tname = value
> ...
>
> RowKey2:
> ...
>
> 7. For BytesType provide an option to print values all values in hex.
> Ie: no mixed ASCII + \x encoding.  Just 0x0a3b...
>
>
> Frankly, I know some of this isn't efficient for the server to do, but
> the client could do that.  I really don't care too much about
> performance since this is a debugging/diagnostics tool.
>
> --
> Aaron Turner
> http://synfin.net/         Twitter: @synfinatic
> http://tcpreplay.synfin.net/ - Pcap editing and replay tools for Unix & Windows
> Those who would give up essential Liberty, to purchase a little temporary
> Safety, deserve neither Liberty nor Safety.
>     -- Benjamin Franklin
> "carpe diem quam minimum credula postero"
>



-- 
Aaron Turner
http://synfin.net/         Twitter: @synfinatic
http://tcpreplay.synfin.net/ - Pcap editing and replay tools for Unix & Windows
Those who would give up essential Liberty, to purchase a little temporary
Safety, deserve neither Liberty nor Safety.
    -- Benjamin Franklin
"carpe diem quam minimum credula postero"

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