Re: Bit-wise AND operation between integers

2016-11-28 Thread Nishadi Kirielle
Sorry for using the wrong mailing list. Next time onward I will be using the user list. Thank you On Tue, Nov 29, 2016 at 11:10 AM, Nishadi Kirielle wrote: > Hi all, > > I am trying to use bitwise AND operation between integers on top of Spark > SQL. Is this functionality support

Bit-wise AND operation between integers

2016-11-28 Thread Nishadi Kirielle
Hi all, I am trying to use bitwise AND operation between integers on top of Spark SQL. Is this functionality supported and if so, can I have any documentation on how to use bitwise AND operation? Thanks & regards -- Nishadi Kirielle Undergraduate University of Moratuwa - Sri Lanka Mo

Re: Spark dev-setup

2016-08-25 Thread Nishadi Kirielle
Thanks a lot for the guidelines. I could successfully configure and debug On Wed, Aug 24, 2016 at 7:05 PM, Jacek Laskowski wrote: > On Wed, Aug 24, 2016 at 2:32 PM, Steve Loughran > wrote: > > > no reason; the key thing is : not in cluster mode, as there your work > happens elsewhere > > Righ

Re: Spark dev-setup

2016-08-23 Thread Nishadi Kirielle
Hi, I'm engaged in learning how query execution flow occurs in Spark SQL. In order to understand the query execution flow, I'm attempting to run an example in debug mode with intellij IDEA. It would be great if anyone can help me with debug configurations. Thanks & Regards Nishadi On Tue, Jun 21,

Re: Bitmap Indexing to increase OLAP query performance

2016-06-29 Thread Nishadi Kirielle
ndexes in-memory which look > to be more appropriate. However, if you want to use bitmap indexes then you > would have to do it as you say. However, bitmap indexes may consume a lot > of memory, so I am not sure that simply caching them in-memory is desired. > > > On 29 Jun 2016, at 19:

Bitmap Indexing to increase OLAP query performance

2016-06-29 Thread Nishadi Kirielle
ards Nishadi Kirielle Department of Computer Science and Engineering University of Moratuwa Sri Lanka