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[DRILL-1355] Drill may miss using storage engine specific rules in optimizer.   - Drill - [issue]
...Currently, Drill implementation uses a static variable for the rulesets used by optimizer. Once the rule set variable is initialized,  it will not be updated, even if there is new stora...
http://issues.apache.org/jira/browse/DRILL-1355    Author: Jinfeng Ni, 2014-08-29, 18:55
[DRILL-1335] Merge Join incorrectly return unqualified rows when join key is null. - Drill - [issue]
...Drill's merge join operator incorrectly returns unqualified rows, when join key is null value.  For example,alter session set `planner.enable_hashjoin` = false;// Q1select * from cp.`re...
http://issues.apache.org/jira/browse/DRILL-1335    Author: Jinfeng Ni, 2014-08-29, 18:55
[DRILL-1337] TPCH Q13 may return incorrect rows :  Drill may incorrectly pull up a local right filter in a left outer join condition. - Drill - [issue]
...For TPCH Q13, Drill may discard some qualified rows, since Drill pulls up a local RHS filter in a left outer join, and put it on top of Join. There means the local RHS is treated as a post-j...
http://issues.apache.org/jira/browse/DRILL-1337    Author: Jinfeng Ni, 2014-08-29, 18:55
[DRILL-1258] Drill hit compile error in generated code when it evaluates an expression returning a repeated list. - Drill - [issue]
...If I have the following JSON input:{ "a" : [ { "x": [[1], [2], [3]], "y": "abc"}, { "x": [[5], [6], [7]], "y": "ABC"}] }{ "a" : [ { "x": [[10], [20], [30]], "y": "abc2"}, { "x": [[50], [60],...
http://issues.apache.org/jira/browse/DRILL-1258    Author: Jinfeng Ni, 2014-08-29, 18:55
Re: [jira] [Created] (DRILL-1311) Hash join does not support schema changes error - Drill - [mail # dev]
...If possible, can you post the physical plan for the join query you tried?W/o seeing the plan, all I can guess is that this SchemaChange error mightbe related to Project Pushdown. Currently, ...
   Author: Jinfeng Ni, 2014-08-19, 01:36
Re: I can't use Drill 0.4.0 Release in distributed mode - Drill - [mail # user]
...Setting planner.slice_target, together with the size of your dataset,determines the parallel degree of the execution. The higher this value is,the less likely Drill will execute the query ac...
   Author: Jinfeng Ni, 2014-08-14, 16:04
[DRILL-1062] DRILL does not handle NULLS FIRST/LAST correctly in ORDER BY clause - Drill - [issue]
...ORDER BY clause could specify nulls first or nulls last.  Currently, DRILL will always use nulls last policy. select tbl.topping[3].type from dfs.`/Users/jni/work/incubator-dril...
http://issues.apache.org/jira/browse/DRILL-1062    Author: Jinfeng Ni, 2014-08-11, 21:26
Re: Review Request 24345: Drill-1141 - IsNumeric function review request - Drill - [mail # dev]
...This is an automatically generated e-mail. To reply, visit:https://reviews.apache.org/r/24345/#review49822exec/java-exec/src/main/codegen/templates/NumericFunctionsTemplates.java  ...
   Author: Jinfeng Ni, 2014-08-07, 01:01
Re: Apache Drill Installation : select * from sys.drillbits Failing - Drill - [mail # user]
...Janino only compiles small java source code. If the generated code is large(for example, query has thousands of expression in the select clause),Drill will switch to JDK to compile the gener...
   Author: Jinfeng Ni, 2014-08-05, 18:56
[DRILL-1189] Return 0 row, when there is select * from view join another table,  and there are duplicate column names. - Drill - [issue]
...If we create a view, and do a select * from view join another table T on columns with identical names from the base table of view and from table T, then Drill will incorrectly return 0 rows....
http://issues.apache.org/jira/browse/DRILL-1189    Author: Jinfeng Ni, 2014-08-04, 21:33
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