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[DRILL-66] In "order" logical operator, specify whether nulls collate first or last - Drill - [issue]
...To support SQL "nulls collate [first|last]" syntax (e.g. "select * from emp order by deptId desc nulls last, name asc nulls first"), add a "nullCollation" property to the "order" ope...
http://issues.apache.org/jira/browse/DRILL-66    Author: Julian Hyde, 2013-10-09, 19:09
[DRILL-61] Logical plan operator "collapsesegment" produces wrong results - Drill - [issue]
...Logical plan operator "collapsesegment" produces wrong results. There is a null value present – maybe it is responsible.Query:{  "head" : {    "type" : "apache...
http://issues.apache.org/jira/browse/DRILL-61    Author: Julian Hyde, 2013-10-09, 19:09
[expand - 1 more] - Re: New hangout link - Drill - [mail # dev]
...On Oct 8, 2013, at 11:39 AM, Steven Phillips  wrote:   Thanks for fixing this. See y'all on Tuesday.  Julian...
   Author: Julian Hyde, 2013-10-09, 17:42
Re: Query regarding Scalar Functions implementation - Drill - [mail # dev]
...On Oct 2, 2013, at 4:46 PM, Jacques Nadeau  wrote:   SQL type-derivation rules can be quite complex. You have got different sizes of exact and approximate numeric types, parameteri...
   Author: Julian Hyde, 2013-10-02, 16:03
Re: Unable to make hangout today - Drill - [mail # dev]
...On Sep 24, 2013, at 9:03 AM, Srihari Srinivasan  wrote:   Ditto. I tried the link at http://incubator.apache.org/drill/ but no one's there.  Julian...
   Author: Julian Hyde, 2013-09-24, 16:05
[expand - 1 more] - Re: [jira] [Commented] (DRILL-247) New Math Functions: log, sqrt, cbrt, rand, round, exp, e, pi, pow - Drill - [mail # dev]
...On Sep 23, 2013, at 8:04 PM, Ted Dunning  wrote:    1. "e" is short, so greater chance of overlap with user identifiers, which also tend to be short.  2. In standard SQL,...
   Author: Julian Hyde, 2013-09-24, 04:28
Re: Canonical examples - Drill - [mail # dev]
...The FoodMart data set, which I use for Mondrian testing, is worth considering. It is organized as a star schema, and it is generated, but unlike TPC-DS the names are human-readable. It has b...
   Author: Julian Hyde, 2013-09-11, 21:13
[expand - 2 more] - Re: Exception while implementing drill trigonometric functions (For DRILL-219). Need tips. - Drill - [mail # dev]
...On Sep 9, 2013, at 1:09 PM, Ted Dunning  wrote:   I suspect it's a little bit different. First, AVG is already a built-in (as were some of the other functions that have recently be...
   Author: Julian Hyde, 2013-09-10, 06:38
Re: Wont be able to join for hangout today guys - Drill - [mail # dev]
...Sorry I missed the hangout. I have meetings in SF today. Tim & I have been working one-on-one on LIMIT support. I trust he'll contact me if he is blocked.  Julian...
   Author: Julian Hyde, 2013-08-27, 16:58
Re: Optiq: Adding sugared syntax and allowing ANY in aggregate expressions... - Drill - [mail # dev]
...Jacques,  All of this work should be done as extensions to Optiq's type inference algorithm, which is part of its SQL validator. (If by "preprocessing step" you mean before the SQL vali...
   Author: Julian Hyde, 2013-08-09, 18:31
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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