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[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
[DRILL-685] Use proper trait in Drill Logical rule. Propagate trait from child to parent whenever possible. - Drill - [issue]
...There are two issues in several Drill Logical Rule.1.  When we call convert() to convert the child node from 'None' to 'Logical', we pass in the parent's trait.  This may not be ri...
http://issues.apache.org/jira/browse/DRILL-685    Author: Jinfeng Ni, 2014-05-12, 00:14
[DRILL-684] Use parquet row count in cost-based optimization.  Use parquet row count, column value count to optimize count() aggregate function. - Drill - [issue]
...Parquet group scan provides the exact row count and the exact value count for each individual column.  Such information could be leveraged in the following two ways:1. Use the count in ...
http://issues.apache.org/jira/browse/DRILL-684    Author: Jinfeng Ni, 2014-05-12, 00:14
[DRILL-580] Drill logical or physical rules should not specify child operand - Drill - [issue]
...Most of Drill logical and physical rules (implements RelOptRule) are essentially conversion rules.  For conversion rule, it's not required to specify the child operand in the rule's pat...
http://issues.apache.org/jira/browse/DRILL-580    Author: Jinfeng Ni, 2014-05-06, 23:53
[expand - 1 more] - Re: Review Request 20742: Allow implicit cast to be applied in both directions for certain data types - Drill - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/20742/#review42336Ship it!Ship It!- Jinfeng NiOn April 26, 2014, 12:40 a.m., Mehant Baid wrote: ...
   Author: Jinfeng Ni, 2014-05-06, 20:35
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