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[DRILL-1325] Better error messages when no equality join is specified - Drill - [issue]
...Equal hash join works fine, for example:> explain plan for  select a.*,b.user_port. . . . . . . . . . . . . . . . . . . . . . .>  from cp.`employee.json` a, sys.drillbits b. ...
http://issues.apache.org/jira/browse/DRILL-1325    Author: Hao Zhu, 2015-02-26, 16:10
[DRILL-1349] Could not find schemas when using drill ODBC connecting to Tableau 8.2 - Drill - [issue]
...Documentation is based on Tableau 8.1:http://doc.mapr.com/display/MapR/Tableau+ExamplesHowever when I am using Tableau 8.2, after connecting to drill ODBC DSN, Tableau could not find any sch...
http://issues.apache.org/jira/browse/DRILL-1349    Author: Hao Zhu, 2015-02-19, 22:22
[DRILL-1289] Creating storage plugin for "hdfs:///" failed with "Unable to create/ update plugin: myhdfs" - Drill - [issue]
...In web GUI, I can successfully create a new storage plugin named "myhdfs" using "file:///":{  "type": "file",  "enabled": true,  "connection": "file:///", ...
http://issues.apache.org/jira/browse/DRILL-1289    Author: Hao Zhu, 2015-02-19, 04:42
[DRILL-2055] Drill should error out for Invalid json file if it has the same map key names. - Drill - [issue]
...For json file with same map key names:{    "a" : "x",    "a" : "y"}Should we consider it invalid json format and error out?Ref:http://stackoverflow.com/question...
http://issues.apache.org/jira/browse/DRILL-2055    Author: Hao Zhu, 2015-02-06, 19:42
[DRILL-1773] Issues when using JAVA code thourgh Drill JDBC driver - Drill - [issue]
...When executing attached simple JAVA code through Drill JDBC driver(0..6 R3), the query got executed and returned the correct result, however there are 2 issues:1. It keeps printing DEBUG inf...
http://issues.apache.org/jira/browse/DRILL-1773    Author: Hao Zhu, 2015-02-04, 17:58
[DRILL-1650] Add support for repeated_count multi-level array data type? - Drill - [issue]
...1. "n1.json" is :{"test":[1,2,3,4,4,5]}Then the function works fine:0: jdbc:drill:> select repeated_count(t.test) from `n1.json` as t;+------------+|   EXPR$0   |+------------+|...
http://issues.apache.org/jira/browse/DRILL-1650    Author: Hao Zhu, 2015-01-26, 23:41
[DRILL-1736] Cannot cast to other data types after using flatten + convert_from('json') - Drill - [issue]
...1. This SQL looks good.select cast(row_key as int) as b, flatten(convert_from(mat.i.n , 'json')) as d from dfs.root.`table/mat` as mat;+------------+------------+|     b   &nb...
http://issues.apache.org/jira/browse/DRILL-1736    Author: Hao Zhu, 2015-01-21, 01:56
[DRILL-1706] date_sub function does not accept string as input in Drill - Drill - [issue]
..."date_sub" function does not accept string as input in Drill, however it does in Hive.This different behavior of the function will make customer re-write their query to use "cast as date".Mi...
http://issues.apache.org/jira/browse/DRILL-1706    Author: Hao Zhu, 2015-01-04, 21:29
[DRILL-1348] Could not find schemas when using drill ODBC connecting to Tableau 8.2 - Drill - [issue]
...Documentation is based on Tableau 8.1:http://doc.mapr.com/display/MapR/Tableau+ExamplesHowever when I am using Tableau 8.2, after connecting to drill ODBC DSN, Tableau could not find any sch...
http://issues.apache.org/jira/browse/DRILL-1348    Author: Hao Zhu, 2015-01-04, 11:30
Re: Varchar without length in cast expression - Drill - [mail # dev]
...Probably a good point since Postgres shows expected result:postgres=# select '1234'::varchar(10); varchar 1234(1 row)postgres=# select '1234'::varchar(1); varchar 1(1 row...
   Author: Hao Zhu, 2014-12-09, 23:56
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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