On this note, I wonder is there going to be a Apache calcite meetup? :) Tim
On Sun, Oct 12, 2014 at 10:08 PM, Julian Hyde <[email protected]> wrote: > Yang, > > Welcome to the list! > > Don't worry if you don't have time to fix everything. I know how it is to be > facing deadlines. Log jira cases for the bugs & missing features you see. If > you don't have chance to fix them, maybe someone else will. > > Don't be afraid to post questions or observations to this list, or start > discussions. Since we don't all work in the same location, this is our only > medium to get to know each other better, and take the project in the > direction that serves all of our needs. > > Julian > > On Oct 12, 2014, at 11:42 PM, Li, Yang <[email protected]> wrote: > >> Hey, Kylin developer here! Say hi to everyone. :D >> >> In addition to query preparation and optimization, we also leverage Calcite >> to execute query, run the generated source code and produce results. >> Currently we are on optiq 0.8 and moving to a stable calcite release will be >> a big next step. >> >> Going forward, we like to contribute back to calcite too. There were a few >> chances, small bugs fixes etc, but tight internal schedule didn't give those >> a priority. Now that Kylin has gone open source, we will have more time to >> collaborate with big world, especially the great calcite project. >> >> Looking forward to work with you guys! >> >> Yang >> >> >> >> -----Original Message----- >> From: Julian Hyde [mailto:[email protected]] >> Sent: 2014年10月11日 5:37 >> To: [email protected] >> Subject: Re: Kylin >> >> Thanks for bringing this up, Dan. I’ve been talking to Kylin’s architects >> Luke Han and Xu Jiang for a few months, and have seen demos of it in action. >> It is impressive. >> >> Kylin is using Calcite/Optiq not just for parsing, but also for >> optimization. They have written quite a few RelNodes and rules targeted at >> their execution environment, which is cubes stored in HBase. Obviously >> Calcite does not have data storage, but in terms of query preparation and >> optimization, there is considerable overlap with the lattice feature I’ve >> added to Calcite over the last few months. (I will be demoing lattices at >> Strata in NY next week… more about those soon.) >> >> The Kylin developers are aware of the overlaps and they want to work more >> closely with Calcite. >> >> I believe that they are considering the project for Apache incubation. If >> so, that would be great news. Kylin is an impressive project that fills an >> important need. >> >> Julian >> >> >> >> >> On Oct 10, 2014, at 10:57 AM, Dan Di Spaltro <[email protected]> wrote: >> >>> Not sure if everyone knows this, but it looks like Kylin.io [1] which >>> was opensourced by Ebay is using the optiq parser. They have some >>> slides explaining how they built it [2]. >>> >>> [1] http://kylin.io/ >>> [2] http://www.slideshare.net/XuJiang2/kylin-hadoop-olap-engine >>> >>> Pretty neat stuff. >>> >>> -Dan >>> >>> -- >>> Dan Di Spaltro >> >
