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[DRILL-1044] Optimize logical boolean operator evaluation using fast-success/fast-fail approach. - Drill - [issue]
...With short circuit evaluation supported for boolean and/or operators (DRILL-937), we could further optimize boolean and/or operators by re-ordering the evaluation sequence and choose to eval...
http://issues.apache.org/jira/browse/DRILL-1044    Author: Jinfeng Ni, 2014-06-20, 21:28
[DRILL-937] Boolean operators should use short-circuit evaluation. - Drill - [issue]
...When Drill evaluate a boolean operator ('and', 'or'), it should use the short-circuit evaluation approach : when one branch is sufficient enough to decide the final result, Drill should stop...
http://issues.apache.org/jira/browse/DRILL-937    Author: Jinfeng Ni, 2014-06-16, 22:33
[DRILL-636] Push Limit operator past project, left outer join, union all operator and down into scan operator - Drill - [issue]
...When we have a limit operator on top of project, left outer join, union all operator, we should push the limit operator, until the limit is put into scan operator. Doing so, it will reduce t...
http://issues.apache.org/jira/browse/DRILL-636    Author: Jinfeng Ni, 2014-06-16, 21:44
Re: Review Request 20825: ExpressionTreeMaterializer may inject incorrect implicit casts - Drill - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/20825/#review45433Ship it!Ship It!- Jinfeng NiOn April 28, 2014, 7:57 p.m., Mehant Baid wrote: ...
   Author: Jinfeng Ni, 2014-06-11, 21:57
[DRILL-927] Run-time code generation support when a function parameter is complex nested type. - Drill - [issue]
...In this JIRA, we will enhance the run-time code generation component, in the following ways:1. Allow generate the run-time code for function whose parameter is FieldReader.  A parameter...
http://issues.apache.org/jira/browse/DRILL-927    Author: Jinfeng Ni, 2014-06-11, 16:52
[DRILL-847] Merging Receiver requires to canonicalize schemas of input batches - Drill - [issue]
...The Merge Receivers assumes all the incoming batches have the same schemas. If the incoming batches happen to have different schemas, the run-time generated code for merge receiver would not...
http://issues.apache.org/jira/browse/DRILL-847    Author: Jinfeng Ni, 2014-05-28, 23:15
[DRILL-665] Drill throw NPE or UnsupportedOperationException when case expression contains null value - Drill - [issue]
...Hi Tim,Per discussion yesterday,  we found Drill will throw NPE or UnsupportedOperationException when case expression contains null value.  (null value is added for the optional 'e...
http://issues.apache.org/jira/browse/DRILL-665    Author: Jinfeng Ni, 2014-05-28, 23:15
[DRILL-810] Add isSafe() to NullableValueVector.  Run-time code should check isSafe() for null value to ensure spare available.   - Drill - [issue]
...In Drill's run-time generated code, if an expression's output type is of nullable, the run-time will call setSafe() only when the output value is not null. When the output value is null, the...
http://issues.apache.org/jira/browse/DRILL-810    Author: Jinfeng Ni, 2014-05-23, 03:24
[DRILL-776] Support selection vector sv2 and sv4 in partition sender - Drill - [issue]
...Currently, Partition sender does not accept sv2 or sv4. If the incoming batch is sv2 or sv4, a SelectionVectorRemover (SVR) op is required to remove sv2 or sv4.   SVR is essentially doi...
http://issues.apache.org/jira/browse/DRILL-776    Author: Jinfeng Ni, 2014-05-20, 17:02
[expand - 1 more] - Re: Review Request 21165: DRILL-626: Project push down into HBase scan - Drill - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/21165/#review42569Ship it!Ship It!- Jinfeng NiOn May 8, 2014, 7:35 p.m., Aditya Kishore wrote: ...
   Author: Jinfeng Ni, 2014-05-15, 13:00
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