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[expand - 2 more] - Re: maprdb table reading error .. again? - Drill - [mail # user]
...This might be related to heterogeneous type. I could re-create the similarerror with the following sample JSON file, which consist of a column "a"with both float8 and varchar type.{"a" : 12....
   Author: Jinfeng Ni, 2014-12-29, 22:53
Re: maprdb setting up foreman error - Drill - [mail # dev]
...The log shows this is query planner error, when it tries to apply theoptimizer rule : DrillPushProjIntoScan.java.lang.AssertionError: Internal error: Error while applying ruleDrillPushProjIn...
   Author: Jinfeng Ni, 2014-12-15, 22:48
[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, 2014-12-09, 17:50
[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, 2014-12-09, 17:50
[DRILL-1456] Query multiple parquet files with limit 0 fails with IllegalStateException - Drill - [issue]
...The dataset is TPCH scale factor 10. Directory "lineitem" holds multiple parquet files. On on Apache/master branch:Commit: 9628f9bb5b8c5a9d842743bc2d127b3306be5c4b [9628f9b]Q1:select...
http://issues.apache.org/jira/browse/DRILL-1456    Author: Jinfeng Ni, 2014-11-12, 18:29
[DRILL-1587] Drill Web UI does not show the plan graph in tab of "Visualized Plan". - Drill - [issue]
...The Web UI used to show a plan graph in the "Visualized plan" tab. However, the plan graph is not shown there any more. That seems to be a regression. The script to show the plan graph might...
http://issues.apache.org/jira/browse/DRILL-1587    Author: Jinfeng Ni, 2014-11-12, 18:20
[DRILL-1592] Detect drillbit failure and cancel running queries. - Drill - [issue]
...When Drillbit dies or was killed,  the running queries might be hang there, and the sqlline would also hang there. There are two cases:1. The Drillbit having the foreman dies, or the fo...
http://issues.apache.org/jira/browse/DRILL-1592    Author: Jinfeng Ni, 2014-11-12, 00:38
[DRILL-1470] Drill incorrectly ignore length parameter when cast into varchar/varbinary - Drill - [issue]
...cast(parm1 as varchar) should return a string with up to n characters. However, currently Drill will ignore the length parameter. For example, select first_name, cast(first_name as varchar(2...
http://issues.apache.org/jira/browse/DRILL-1470    Author: Jinfeng Ni, 2014-11-12, 00:31
[DRILL-1689] Drill could not query a repeated map, and get all the values of one field into an array. - Drill - [issue]
...Suppose we have the following JSON data:{    "uid" : 1,    "events" : [        { "evnt_id":"e1", "campaign_id":"c1", "event_name":"e1_n...
http://issues.apache.org/jira/browse/DRILL-1689    Author: Jinfeng Ni, 2014-11-11, 23:56
Re: Sub-select - Drill - [mail # user]
...The In subquery and Join Subquery should work on both 0.6 and 0.7.  Forexample, TPCH Q18 has an IN-subquery and runs fine on both version.SELECT ........where  o.o_orderkey in...
   Author: Jinfeng Ni, 2014-11-11, 00:12
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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