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[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, 2015-03-02, 02:59
[DRILL-1911] Querying same field multiple times with different case would hit memory leak and return incorrect result. - Drill - [issue]
...git.commit.id.abbrev=309e1beIf query the same field twice, with different case, Drill will throw memory assertion error.  select employee_id, Employee_id from cp.`employee.json` limit 2...
http://issues.apache.org/jira/browse/DRILL-1911    Author: Jinfeng Ni, 2015-02-25, 21:45
[DRILL-2236] Optimize hash inner join by swapping inputs based on row count comparison. - Drill - [issue]
...Currently, Drill's planner does not consider all the possible join order sequence during the planning phase, because one particular optimizer rule (SwapJoinrule) is not enabled.  The re...
http://issues.apache.org/jira/browse/DRILL-2236    Author: Jinfeng Ni, 2015-02-24, 23:23
[DRILL-2269] Provide default implementation for getting cost of evaluating an expression in base class of LogicalExpression, in stead of throw Exception - Drill - [issue]
...Today, the abstract class of LogicalExpression will throw Exception for two methods related to estimate the cost of evaluating an expression, in the hope that sub classes will override those...
http://issues.apache.org/jira/browse/DRILL-2269    Author: Jinfeng Ni, 2015-02-24, 23:20
[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, 2015-02-24, 16:20
[DRILL-2250] Parquet reader hit ExecutionSetupException when reading decimal columns created using CTAS from another parquet files - Drill - [issue]
...Not sure if this is related to DRILL-2249, since the error seems to be different.On today's master commit:select commit_id from sys.version;------------ commit_id  ------------&nbs...
http://issues.apache.org/jira/browse/DRILL-2250    Author: Jinfeng Ni, 2015-02-20, 17:53
[DRILL-2249] Parquet reader hit IOBE when reading decimal type columns. - Drill - [issue]
...On today's master branch:select commit_id from sys.version;------------ commit_id ------------ 4ed0a8d68ec5ef344fb54ff7c9d857f7f3f153aa ------------If I create a parquet file conta...
http://issues.apache.org/jira/browse/DRILL-2249    Author: Jinfeng Ni, 2015-02-20, 01:02
[DRILL-2271] count(distinct ) against SystemTablePlugin will hit plan serialization/deserialization issue when executed in distributed mode. - Drill - [issue]
...The following query run fine in single node. select count(distinct name) as cnt from `sys`.`options`;However, if change the slice_target =1 and make it run in distributed mode, it hit error ...
http://issues.apache.org/jira/browse/DRILL-2271    Author: Jinfeng Ni, 2015-02-19, 19:56
[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, 2015-02-17, 19:18
[DRILL-2087] Some planner option setting might produce a wrong plan and wrong query result for join query. - Drill - [issue]
...I have the following parquet data ( essentially tpch's nation/region tables, but break into multiple parts).ls -l nationtotal 24-rw-r--r--@ 1 jni  staff  1376 Jan 27 16:47 01.parqu...
http://issues.apache.org/jira/browse/DRILL-2087    Author: Jinfeng Ni, 2015-02-12, 23:44
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB