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[DRILL-1212] Remove extra exchange operator when generate a two phase aggregation plan. - Drill - [issue]
...We may see an extra hash exchange operator, when optimizer choose a two phase aggregation plan, for a query with group by GB_Key order by OB_Key and GB_key is same as Ob_key.One example of s...
http://issues.apache.org/jira/browse/DRILL-1212    Author: Jinfeng Ni, 2014-07-30, 06:32
Re: Improving the Drill website - Drill - [mail # dev]
...+1On Tue, Jul 29, 2014 at 4:18 PM, Neeraja Rentachintala <[EMAIL PROTECTED]> wrote: ...
   Author: Jinfeng Ni, 2014-07-30, 05:19
[DRILL-424] Address review comments for some string/function implementation in Drill-379 - Drill - [issue]
...This JIRA is opened to address the review comments made by Mehant for Drill-379.https://reviews.apache.org/r/18376/...
http://issues.apache.org/jira/browse/DRILL-424    Author: Jinfeng Ni, 2014-07-28, 23:08
[DRILL-993] Remove redundant comparison in comparison operator generated by FreeMarker template - Drill - [issue]
...In comparison operators generated by FreeMarker template, we may do two comparisons for a single operator.  The second comparison is actually redundant.In stead, we should modify the Fr...
http://issues.apache.org/jira/browse/DRILL-993    Author: Jinfeng Ni, 2014-07-28, 23:03
[DRILL-1061] Add or modify Optiq rule such that two projects involving complex JSON objects should not be collapsed into one.   - Drill - [issue]
...Currently, Drill could not nest a function whose output is a complex JSON object into another function directly.  For instance,select foo.mycol.x from (        ...
http://issues.apache.org/jira/browse/DRILL-1061    Author: Jinfeng Ni, 2014-07-27, 19:50
[DRILL-1108] Fix run-time code Generator Mapping when join condition is a compound expression containing constants. - Drill - [issue]
...If a join operator in physical plan uses an expression as the join condition, like:  t1.column1 + 100 = t2.column2, then the run-time generated code currently will hit a compilation err...
http://issues.apache.org/jira/browse/DRILL-1108    Author: Jinfeng Ni, 2014-07-27, 19:50
[DRILL-697] A physical plan containing DirectGroupScan should execute in single node mode only. - Drill - [issue]
...If a physical plan contains DirectGroupScan, we should execute such plan in single node mode only. DirectGroupScan could not be serialized properly, preventing it from being sent to other fr...
http://issues.apache.org/jira/browse/DRILL-697    Author: Jinfeng Ni, 2014-07-25, 18:06
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
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