Row level deletion information is included in the row level isolation. Cheers
----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 5/06/2012, at 6:05 AM, Todd Burruss wrote: > I don't think I'm being clear. I just was wondering if a "row delete" is > isolated with all the other inserts or deletes to a specific column family > and key in the same batch. > > On 6/4/12 1:58 AM, "Sylvain Lebresne" <sylv...@datastax.com> wrote: > >> On Sun, Jun 3, 2012 at 6:05 PM, Todd Burruss <bburr...@expedia.com> wrote: >>> I just meant there is a "row delete" in the same batch as inserts - all >>> to >>> the same column family and key >> >> Then it's the timestamp that will decide what happens. Whatever has a >> timestamp lower or equal to the tombstone timestamp will be deleted >> (that stands for insert in the batch itself). >> >> -- >> Sylvain >> >> >>> >>> >>> -----Original Message----- >>> From: Sylvain Lebresne [sylv...@datastax.com] >>> Received: Sunday, 03 Jun 2012, 3:44am >>> To: user@cassandra.apache.org [user@cassandra.apache.org] >>> Subject: Re: batch isolation >>> >>> On Sun, Jun 3, 2012 at 2:53 AM, Todd Burruss <bburr...@expedia.com> >>> wrote:> >>>> 1 does this mean that a batch_mutate that first sends a "row delete" >>>> mutation on key X, then subsequent insert mutations for key X is >>>> isolated? >>> >>> I'm not sure what you mean by having "a batch_mutate that first sends >>> ... then ...", since a batch_mutate is a single API call. >>> >>>> 2 does isolation span column families for the same key within the >>>> same >>>> batch_mutate? >>> >>> No, it doesn't span column families (contrarily to atomicity). There >>> is more details in >>> http://www.datastax.com/dev/blog/row-level-isolation. >>> >>> -- >>> Sylvain >
