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Re: Let's roll a release (0.4) and move to monthly releases - Drill - [mail # dev]
...+1 for monthly release. It's a good idea to use the similar approach as theother open source projects, and releasing monthly will make it easier forpeople in the community to try out Drill.O...
   Author: Jinfeng Ni, 2014-07-24, 18:40
[DRILL-1102] Use same set of keys to distribute rows when planner generates exchange for a join operator. - Drill - [issue]
...Today, planner might use a different key sets when generate hash-to-random exchange operator for a join's left and right side.For instance, if we have join condition :     L1 ...
http://issues.apache.org/jira/browse/DRILL-1102    Author: Jinfeng Ni, 2014-07-03, 18:50
[DRILL-698] Register scan-specific optimization rules using register() in RelNode interface. - Drill - [issue]
...Currently, drill will get all the storage-engine-specific rules in StoragePluginRegistry, and register all the rules (HBase, Hive, etc) with the optimizer planner.  This means even the ...
http://issues.apache.org/jira/browse/DRILL-698    Author: Jinfeng Ni, 2014-07-03, 18:50
Re: [jira] [Created] (DRILL-1100) Returning NULL instead of array-index-out-of-bound error - Drill - [mail # dev]
...Seems to me that returning null makes sense, when Drill is dealing withschema-less input.Some rows may have the 12-th column, while some rows do not. In such case,user might expect Drill to ...
   Author: Jinfeng Ni, 2014-07-03, 01:52
[DRILL-1006] Fix case expression when conditions are nullable type. - Drill - [issue]
...There are two issues in case expressions:1.  ExpressionValidator enforces that the conditions in a case expression have to be non-nullable type.  This is not true ; a condition cou...
http://issues.apache.org/jira/browse/DRILL-1006    Author: Jinfeng Ni, 2014-06-20, 21:28
[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-982] Parquet reader should return NULL value for non-exist column in execution phase, in stead of raising ExecutionSetupException - Drill - [issue]
...If query a non-exist column against a parquet file, DRILL currently raises ExecutionSetupException:SELECT  NON_EXIT_COLUMN from cp.`tpch/nation.parquet`;This will cause problem, when we...
http://issues.apache.org/jira/browse/DRILL-982    Author: Jinfeng Ni, 2014-06-16, 21:44
[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
[DRILL-981] Display JSON map object in the same order as the original JSON object - Drill - [issue]
...When DRILL display a JSON object as a query result,  Drill should display a map object in the same order as that in the original JSON object. To do that, we need keep track the insertio...
http://issues.apache.org/jira/browse/DRILL-981    Author: Jinfeng Ni, 2014-06-13, 18:56
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