https://issues.apache.org/jira/browse/CASSANDRA-764 added about the simplest possible predicate, so if you look at the diff for that you should have a pretty good idea where the magic happens.
On Tue, Mar 9, 2010 at 11:58 PM, Bingbing Liu <rucb...@gmail.com> wrote: > if i want to improve cassandra by add filter , which part of the code should > be modified? > > （i have tried to read the code , but as the cassandra is so big a system , i > failed） > > maybe someone can guide me ? > > > 2010-03-10 > > > > Bingbing Liu > > > > 发件人： Jonathan Ellis > 发送时间： 2010-03-09 21:24:46 > 收件人： cassandra-dev > 抄送： > 主题： Re: how to do the filter in cassanda? > > If you mean WHERE clause-like filtering, that's always done client > side right now. > On Tue, Mar 9, 2010 at 1:00 AM, Bingbing Liu <rucb...@gmail.com> wrote: >> hi, >> i mean when cassandra get data from the file system of each node (in other >> words, read data from file) >> >> does the filtering condition also been transform to the node ? >> >> if any , which part of the code do this job? >> >> thanks >> 2010-03-09 >> >> >> >> Bingbing Liu >> >
