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[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
[DRILL-1634] Drill fails when querying a nested array within a repeated map. - Drill - [issue]
...Given the following JSON input data:{ "a":[{"b": [["str1","str2"], ["str3", "str4"]]}] }{ "a":[{"b": [["str10","str20"], ["str30", "str40"]]}] }If we want to retrieve the first element in ar...
http://issues.apache.org/jira/browse/DRILL-1634    Author: Jinfeng Ni, 2014-11-09, 00:01
Re: Query on Array - Drill - [mail # user]
...I think Drill currently does not allow to put a array in the = predicate.With the complex type such array/map,  the semantics of = operator is notclearly defined.  In other words, ...
   Author: Jinfeng Ni, 2014-10-30, 21:37
Re: [jira] [Created] (DRILL-1589) count(*) on json fails with exception - Drill - [mail # dev]
...The issues seems to not caused by count(*), but by the JSON scanning of allthe columns.I hit the same error, if I remove count(), and use * directly.select * fromdfs.`/Users/jni/work/data/ye...
   Author: Jinfeng Ni, 2014-10-28, 00:51
Re: [VOTE] Graduation of Apache Drill from the Incubator - Drill - [mail # dev]
...+1On Mon, Oct 20, 2014 at 7:47 AM, Aman Sinha  wrote: ...
   Author: Jinfeng Ni, 2014-10-20, 15:00
Re: LIKE clause escape character - Drill - [mail # dev]
...yes, that's right. Currently, Drill does not recognize the ESCAPEcharacter, and will throw error. This also applies to "similar to" operator.Please file a JIRA. We'll provide a fix to suppor...
   Author: Jinfeng Ni, 2014-10-16, 03:46
Re: Query on CSV data not returning to the sqlline prompt - Drill - [mail # user]
...Couple days ago, there were some discussions regarding to the "limit"operator in the following drill-dev thread:http://mail-archives.apache.org/mod_mbox/incubator-drill-dev/201410.mbox/%3cCA...
   Author: Jinfeng Ni, 2014-10-13, 16:53
Re: Multiple Column Aliasing Into A Nested JSON Data Fails - Drill - [mail # dev]
...Please file a JIRA for this.My guess is this is not revenant to column alias. Rather, it's revenant toreferencing the nested data using the same prefix path expression (Reservations[0].Insta...
   Author: Jinfeng Ni, 2014-10-10, 17:19
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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