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[DRILL-64] In reference implementation, full outer join returns too many rows - Drill - [issue]
...Full outer join returns too many rows. The query{  "head" : {    "type" : "apache_drill_logical_plan",    &quo...
http://issues.apache.org/jira/browse/DRILL-64    Author: Julian Hyde, 2013-05-23, 17:02
[expand - 1 more] - Re: Another pair of eyes... - Drill - [mail # dev]
...On May 8, 2013, at 9:31 PM, Lisen Mu  wrote:   Lisen,  Your observations & patch helped get me through my mental block. I realized that "ref" is necessary for the "scan" opera...
   Author: Julian Hyde, 2013-05-20, 15:20
Example aggregate queries - Drill - [mail # dev]
...I'm starting to work on GROUP BY support, and I'm trying to figure out the syntax of the "collapsingaggregate" operator based on the spec. I tried to find some example logical plans but I co...
   Author: Julian Hyde, 2013-05-18, 21:06
Re: Apache Drill and Schema - Drill - [mail # dev]
...Gunnar,  I've come across some interesting use cases putting Optiq on top of Drill and Splunk. They help explain my philosophy for putting a strongly typed language (SQL) on top of syst...
   Author: Julian Hyde, 2013-05-13, 20:03
Re: Question about optiq - Drill - [mail # dev]
...Optiq just has basic support for reading from JDBC sources. Full support would be to take a tree of relational algebra operators and push as many of them down into a SQL query. Right now the...
   Author: Julian Hyde, 2013-04-30, 08:29
Re: Standing Hangout Tuesday 9am PT - Drill - [mail # dev]
...On Apr 16, 2013, at 11:48 AM, Timothy Chen  wrote:   Yes, that's worked for me. The URL looks something like this:  https://plus.google.com/hangouts/_/a1b15884da15265a65b03564...
   Author: Julian Hyde, 2013-04-16, 18:52
[expand - 1 more] - Re: Trivial project? - Drill - [mail # dev]
...Thanks, David and Tim.  From David's reply, it seems that I can create a trivial project as long as I know the name of the one and only one "holder field" from the source.  From Ti...
   Author: Julian Hyde, 2013-03-28, 20:34
Re: SQL question - Drill - [mail # dev]
...Basically, yes.  The SQL standard does not use 'SELECT ' for table-less queries (I know that MySQL and Postgres support this syntax); accordingly, Optiq uses 'VALUES ', or you can write...
   Author: Julian Hyde, 2013-03-28, 05:04
Re: Intro - Drill - [mail # dev]
...Sanjay,  As Jacques says, I am working on the SQL-to-logical translator. It's best that I work single-threaded for a while, until I get the main operators (scan, filter, project, join, ...
   Author: Julian Hyde, 2013-03-25, 16:16
Drill User Group - slides for my talk "Drill / SQL / Optiq" - Drill - [mail # dev]
...Hi Drillers,  I've posted my slides from my talk this evening: https://github.com/julianhyde/share/blob/master/slides/optiq-drill-user-group-2013.pdf?raw=true or browse https://github.c...
   Author: Julian Hyde, 2013-03-14, 07:34
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB