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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
Re: Tajo - Drill - [mail # dev]
...I'd also urge the various groups to focus on building components/libraries, not whole systems. Components are re-usable if their interfaces are well designed. Open source is a force multipli...
   Author: Julian Hyde, 2013-02-26, 21:59
Re: Strata - Drill - [mail # dev]
...On Feb 26, 2013, at 11:57 AM, Ken Krugler  wrote:   Thanks for the suggestion -- I signed up.  Julian...
   Author: Julian Hyde, 2013-02-26, 20:03
Re: We need patches instead of Pull Requests... - Drill - [mail # dev]
...On Feb 25, 2013, at 12:28 PM, Jacques Nadeau  wrote:    I can see why you're worried about loads of open pull requests.  Here's an idea. If someone opens a pull request, ...
   Author: Julian Hyde, 2013-02-25, 20:40
Re: Optic maven references - Drill - [mail # dev]
...The jars are in conjars.org, which is a publicly accessible maven2 repo:  http://conjars.org/repo/  I would also be happy for them to be in http://repo2.maven.org/maven2/. Do I nee...
   Author: Julian Hyde, 2013-02-20, 18:14
Query plans that write to in-memory queue rather than file - Drill - [mail # dev]
...Hi drillers,  I made a small architectural change in my first iteration of the SQL parser/validator/optimizer. I changed the LogicalPlan specification to allow query output to go to a j...
   Author: Julian Hyde, 2013-02-19, 19:42
Re: [jira] [Commented] (DRILL-24) Implement Join Reference Operator - Drill - [mail # dev]
...On Feb 18, 2013, at 2:15 AM, "Timothy Chen (JIRA)"  wrote:   It concerns me that we are using the words "parser" and "decide" next to each other in a sentence. I hope there is a sp...
   Author: Julian Hyde, 2013-02-18, 16:33
Re: Building logical plans - Drill - [mail # dev]
...On Feb 14, 2013, at 8:49 AM, Jacques Nadeau  wrote:   The main problems are in getting the operator graph to validate. Initially I made each node a parent of its predecessor, then ...
   Author: Julian Hyde, 2013-02-14, 18:43
Purpose of Scan.selection and Operator.ref? - Drill - [mail # dev]
...Hello drillers,  I'm still puzzling the purpose of the "selection" attribute of the "Scan" operator and the "ref" attribute of various operators such as "Scan", "Transform", "Group". &n...
   Author: Julian Hyde, 2013-01-28, 23:40
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