hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Stack <saint....@gmail.com>
Subject Re: range query
Date Wed, 05 Oct 2011 23:54:33 GMT
Regex is going to be more expensive than checking bytes or comparing longs.   But I wouldn't
worry about it at least till you finger the regexing as perf prob



On Oct 5, 2011, at 15:42, Rita <rmorgan466@gmail.com> wrote:

> Thanks. This worked like a charm.
> 
> Is it common to use regex for timeseries or is there a more elegant way of
> handling it?
> 
> 
> On Wed, Oct 5, 2011 at 8:39 AM, Doug Meil <doug.meil@explorysmedical.com>wrote:
> 
>> 
>> Hi there-
>> 
>> Check out the Hbase book...
>> 
>> http://hbase.apache.org/book.html#scan
>> 
>> 
>> 
>> 
>> On 10/5/11 3:29 AM, "Rita" <rmorgan466@gmail.com> wrote:
>> 
>>> Hello,
>>> 
>>> I have a simple table where the data looks like this,
>>> 
>>> key,value
>>> 2011-01-01.foo,data01
>>> 2011-01-02.foo,data02
>>> 2011-01-03.foo,data03
>>> 2011-01-04.foo,data04
>>> 2011-01-05.foo,data05
>>> 2011-01-05.foo,data06
>>> 
>>> Does anyone have any example code to perform a range query like, get all
>>> values for keys which has a range from [2011-01-03.foo to 2011-01-05.foo]?
>>> The expected answer should be:
>>> 
>>> data03
>>> date04
>>> data05
>>> 
>>> 
>>> 
>>> 
>>> 
>>> --
>>> --- Get your facts first, then you can distort them as you please.--
>> 
>> 
> 
> 
> -- 
> --- Get your facts first, then you can distort them as you please.--

Mime
View raw message