No worries! They're a data type that was introduced in 1.2: http://www.datastax.com/dev/blog/cql3_collections
On Fri, Jan 2, 2015 at 12:07 PM, Nikolay Mihaylov <n...@nmmm.nu> wrote: > Hi Tyler, > > sorry for very stupid question - what is a collection ? > > Nick > > On Wed, Dec 31, 2014 at 6:27 PM, Tyler Hobbs <ty...@datastax.com> wrote: > >> Overwriting an entire collection also results in a tombstone being >> inserted. >> >> On Wed, Dec 24, 2014 at 7:09 AM, Ryan Svihla <rsvi...@datastax.com> >> wrote: >> >>> You should probably ask on the Cassandra user mailling list. >>> >>> However, TTL is the only other case I can think of. >>> >>> On Tue, Dec 23, 2014 at 1:36 PM, Davide D'Agostino <i...@daddye.it> >>> wrote: >>> >>>> Hi there, >>>> >>>> Following this: >>>> https://groups.google.com/a/lists.datastax.com/forum/#!searchin/java-driver-user/tombstone/java-driver-user/cHE3OOSIXBU/moLXcif1zQwJ >>>> >>>> Under what conditions Cassandra generates a tombstone? >>>> >>>> Basically I have not even big table on cassandra (90M rows) in my code >>>> there is no delete and I use prepared statements (but binding all necessary >>>> values). >>>> >>>> I'm aware that a tombstone gets created when: >>>> >>>> 1. You delete the row >>>> 2. You set a column to null while previously it had a value >>>> 3. When you use prepared statements and you don't bind all the values >>>> >>>> Anything else that I should be aware of? >>>> >>>> Thanks! >>>> >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to java-driver-user+unsubscr...@lists.datastax.com. >>>> >>> >>> >>> >>> -- >>> >>> [image: datastax_logo.png] <http://www.datastax.com/> >>> >>> Ryan Svihla >>> >>> Solution Architect >>> >>> [image: twitter.png] <https://twitter.com/foundev> [image: linkedin.png] >>> <http://www.linkedin.com/pub/ryan-svihla/12/621/727/> >>> >>> DataStax is the fastest, most scalable distributed database technology, >>> delivering Apache Cassandra to the world’s most innovative enterprises. >>> Datastax is built to be agile, always-on, and predictably scalable to any >>> size. With more than 500 customers in 45 countries, DataStax is the >>> database technology and transactional backbone of choice for the worlds >>> most innovative companies such as Netflix, Adobe, Intuit, and eBay. >>> >>> >> >> >> -- >> Tyler Hobbs >> DataStax <http://datastax.com/> >> > > -- Tyler Hobbs DataStax <http://datastax.com/>
