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    • Jinfeng Ni (654)
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"Death of Schema-on-Read" - Drill - [mail # dev]
...I feel it's probably premature to cal it "death of schema-on-read" justbased on one application case. For one product I have been working onrecently, one use case is for IOT related applicat...
   Author: Jinfeng Ni , 2018-04-04, 20:35
  
[DRILL-5768] Drill planer should not allow select * with group by clause - Drill - [issue]
...The following query should not be allowed in Drill planner.select * from cp.`tpch/nation.parquet` group by n_regionkey;+----+| *  |+----+| 0  || 1  || 4  || 3  || 2 ...
http://issues.apache.org/jira/browse/DRILL-5768    Author: Jinfeng Ni , 2018-01-19, 11:23
  
[ANNOUNCE] New Committer: Vitalii Diravka - Drill - [mail # dev]
...Congratulations and welcome, Vitalii!JinfengOn Wed, Dec 13, 2017 at 9:55 AM, Vitalii Diravka wrote:> Thank you all for your kind words>> Kind regards> Vitalii>> On Wed, Dec...
   Author: Jinfeng Ni , 2017-12-13, 20:21
  
[ANNOUNCE] New Committer: Boaz Ben-Zvi - Drill - [mail # dev]
...Congratulations and welcome, Boaz!JinfengOn Wed, Dec 13, 2017 at 11:17 AM, Robert Hou  wrote:> Congratulations, Boaz!>>> --Robert>> ________________________________>...
   Author: Jinfeng Ni , 2017-12-13, 20:20
  
[VOTE] Release Apache Drill 1.12.0 - rc1 - Drill - [mail # dev]
...I also saw failures in TestGracefulShutdown and TestImpersonationMetadata,when run "mvn clean install " on Mac.On Wed, Dec 13, 2017 at 12:01 PM, Parth Chandra  wrote:> I've resolved ...
   Author: Jinfeng Ni , 2017-12-13, 20:19
  
[DRILL-5683] Incorrect query result when query uses NOT(IS NOT NULL) expression - Drill - [issue]
...The following repo was modified from a testcase provided by Arjun Rajan([EMAIL PROTECTED]).1. Prepare dataset with null.create table dfs.tmp.t1 as   select r_regionkey, r_name, case whe...
http://issues.apache.org/jira/browse/DRILL-5683    Author: Jinfeng Ni , 2017-11-24, 19:46
  
[DRILL-5681] Incorrect query result when query uses star and correlated subquery - Drill - [issue]
...The following repo was based on a testcase provided by Arjun Rajan([EMAIL PROTECTED]). Drill returns incorrect query result, when the query has a correlated subquery and querying against a v...
http://issues.apache.org/jira/browse/DRILL-5681    Author: Jinfeng Ni , 2017-11-24, 19:46
  
[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 , 2017-10-31, 11:55
  
[DRILL-1499] Different column order could appear in the result set for a schema-less select * query, even there are no changing schemas. - Drill - [issue]
...For a select * query referring to a schema-less table, Drill could return different column, depending on the physical operators the query involves:Q1:select * from cp.`employee.json` limit 3...
http://issues.apache.org/jira/browse/DRILL-1499    Author: Jinfeng Ni , 2017-10-30, 20:33
  
Implicit columns and maps - Drill - [mail # dev]
...I think it would make sense to treat the implicit columns as reservedwords, and if user wants to use those names as regular column, or tablename, or any objects in the system, they should us...
   Author: Jinfeng Ni , 2017-10-28, 05:56
  
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