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Re: Support for distinct, count - Drill - [mail # user]
...Hi Madhu,1.  count(_MAP[filed]) should work, if you specify the correct field name.If the field name does not exist in your parquet file, then it willcomplain "NULL type is not supporte...
   Author: Jinfeng Ni, 2014-02-07, 20:07
Re: hangout? - Drill - [mail # dev]
...I can not get in.  It said " The party is over".   On Tue, Jan 21, 2014 at 9:07 AM, Timothy Chen  wrote:  ...
3 emails [+ more]    Author: Jinfeng Ni, 2014-01-21, 17:09
[DRILL-316] Explicit cast support in Drill execution engine - Drill - [issue]
...Explicit cast support currently is not available. Explicit cast would be useful, since 1) once optiq pass the cast function into logical/physical plan, drill execution engine need to parse t...
http://issues.apache.org/jira/browse/DRILL-316    Author: Jinfeng Ni, 2014-01-14, 16:54
Re: Review Request 16230: DRILL-320: Rework math functions to use codegen. - Drill - [mail # dev]
...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16230/#review31507    exec/java-exec/src/main/codegen/templates/MathFunctionTemplates.java ...
   Author: Jinfeng Ni, 2014-01-10, 03:13
Re: Review Request 16490: DRILL_259 : implicit cast support in drill. - Drill - [mail # dev]
...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/16490/  (Updated Jan. 3, 2014, 2:57 p.m.)   Review request for drill.   Changes  ...
5 emails [+ more]    Author: Jinfeng Ni, 2014-01-03, 22:58
Re: Review Request 15871: DRILL-316. Explicit cast support in drill execution engine . - Drill - [mail # dev]
...  Checked the generated machine code by looking at the assembly code using -XX:+UnlockDiagnosticVMOptions -XX:+PrintAssembly. The original code will 1)copy into byte array, 2)decode int...
6 emails [+ more]    Author: Jinfeng Ni, 2013-12-20, 19:11
Re: Discussion of implicit cast design in drill engine. - Drill - [mail # dev]
...I put the discussion under JIRA-259, which was created by Yash for the cast functionality proposal.   On Sun, Dec 15, 2013 at 9:57 PM, Jacques Nadeau  wrote:  ...
2 emails [+ more]    Author: Jinfeng Ni, 2013-12-16, 16:18
[DRILL-319] Drill function need specify how to handle error. - Drill - [issue]
...Currently, drill's built-in function will raise Exception when it catches one, and stops the execution immediately. Depending on the nature of the function or the query, we might need allow ...
http://issues.apache.org/jira/browse/DRILL-319    Author: Jinfeng Ni, 2013-12-10, 22:06
Re: Review Request 15871: Explicit cast support in drill execution engine : phase 1 - Drill - [mail # dev]
...This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/15871/  (Updated Dec. 7, 2013, 8:33 p.m.)   Review request for drill.   Changes  ...
3 emails [+ more]    Author: Jinfeng Ni, 2013-12-08, 04:33
Re: How to contribute ? - Drill - [mail # dev]
...I believe we do not have support for like predicate. You may try some simple comparison predicate, eg. =, >, etc.   On Fri, Dec 6, 2013 at 1:22 PM, Norris Lee  wrote:  ...
   Author: Jinfeng Ni, 2013-12-06, 21:50
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