Iterating through lots of records is not a primary use of my data. However, there are a number scenarios where scanning the entire contents of a column family is an interesting and useful exercise. Here are a few: removal of orphaned records, checking the integrity a data set, and analytics.
On 5/12/13 3:41 AM, "Oleg Dulin" <oleg.du...@gmail.com> wrote: >On 2013-05-11 14:42:32 +0000, Robert Wille said: > >> I'm using the JDBC driver to access Cassandra. I'm wondering if its >> possible to iterate through a large number of records (e.g. to perform >> maintenance on a large column family). I tried calling >> Connection.createStatement(ResultSet.TYPE_FORWARD_ONLY, >> ResultSet.CONCUR_READ_ONLY), but it times out, so I'm guessing that >> cursors aren't supported. Is there another way to do this, or do I need >>to >> use a different API? >> >> Thanks in advance >> >> Robert > >If you feel that you need to iterate through a large number of rows >then you are probably not using a correct data model. > >Can you describe your use case ? > >-- >Regards, >Oleg Dulin >NYC Java Big Data Engineer >http://www.olegdulin.com/ > >
