There's also Achilles: https://github.com/doanduyhai/Achilles
On Fri, Apr 24, 2015 at 1:21 PM Jens Rantil <jens.ran...@tink.se> wrote: > Matthew, > > Maybe this could also be of interest: > http://projects.spring.io/spring-data-cassandra/ > > Cheers, > Jens > > On Fri, Apr 24, 2015 at 12:50 PM, Phil Yang <ud1...@gmail.com> wrote: > >> >> >> 2015-04-23 22:16 GMT+08:00 Matthew Johnson <matt.john...@algomi.com>: >>> >>> In HBase, we do something like: >>> >>> Put put = new Put(id); >>> put.add(myPojo.getTimestamp(), myPojo.getValue()); >>> put.add(myPojo.getMySecondTimestamp(), myPojo.getSecondValue()); >>> server.put(put); >>> >>> Is there any similar mechanism in Cassandra Java driver for creating >>> these >>> inserts programmatically? Or, can the 'session.execute' take a list of >>> commands so that each column can be inserted as its own insert statement >>> but >>> without the overhead of multiple calls to the server? >>> >>> >> >> For your first question, do you mean object-mapping API? >> http://docs.datastax.com/en/developer/java-driver/2.1/java-driver/reference/crudOperations.html >> >> For the second question, C* can execute several commands by unlogged >> batch, however, because of the distributed nature of Cassandra, there is a >> better solution, see >> https://medium.com/@foundev/cassandra-batch-loading-without-the-batch-keyword-40f00e35e23e >> >> >> >> >>> Thanks! >>> Matt >>> >>> >>> -----Original Message----- >>> From: Jim Witschey [mailto:jim.witsc...@datastax.com] >>> Sent: 23 April 2015 14:46 >>> To: user@cassandra.apache.org >>> Subject: Re: Creating 'Put' requests >>> >>> Are prepared statements what you're looking for? >>> >>> >>> http://docs.datastax.com/en/developer/java-driver/2.1/java-driver/quick_start/qsSimpleClientBoundStatements_t.html >>> Jim Witschey >>> >>> Software Engineer in Test | jim.witsc...@datastax.com >>> >>> >>> >>> >>> >>> On Thu, Apr 23, 2015 at 9:28 AM, Matthew Johnson < >>> matt.john...@algomi.com> >>> wrote: >>> > Hi all, >>> > >>> > >>> > >>> > Currently looking at switching from HBase to Cassandra, and one big >>> > difference so far is that in HBase, we create a ‘Put’ object, add to >>> > it a set of column/value pairs, and send the Put to the server. So far >>> > in Cassandra 2.1.4 the tutorials seem to suggest using CQL3, which I >>> > really like for prototyping eg: >>> > >>> > >>> > >>> > session.execute("INSERT INTO simplex.playlists (id, song_id, title, >>> > album, >>> > artist) VALUES (1,1,'La Petite Tonkinoise','Bye Bye >>> > Blackbird','Joséphine Baker');"); >>> > >>> > >>> > >>> > But for more complicated code this will quickly become unmanageable, >>> > and doesn’t lend itself well to dynamically creating row data based on >>> > various conditions. Is there a way to send a Java object, populated >>> > with the desired column/value pairs, to the server instead of >>> executing an >>> > insert statement? >>> > Would this require some other library, or does the DataStax Java >>> > driver support this already? >>> > >>> > >>> > >>> > Thanks in advance, >>> > >>> > Matt >>> > >>> > >>> >> >> >> >> -- >> Thanks, >> Phil Yang >> >> > > > -- > Jens Rantil > Backend engineer > Tink AB > > Email: jens.ran...@tink.se > Phone: +46 708 84 18 32 > Web: www.tink.se > > Facebook <https://www.facebook.com/#!/tink.se> Linkedin > <http://www.linkedin.com/company/2735919?trk=vsrp_companies_res_photo&trkInfo=VSRPsearchId%3A1057023381369207406670%2CVSRPtargetId%3A2735919%2CVSRPcmpt%3Aprimary> > Twitter <https://twitter.com/tink> >
