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[DRILL-4028] Merge Drill parquet modifications back into the mainline project - Drill - [issue]
...Drill has been maintaining a fork of Parquet for over a year. The changes need to make it back into the main repository so we don't have to bother merging in all of the new changes from the ...
http://issues.apache.org/jira/browse/DRILL-4028    Author: Jason Altekruse, 2015-11-05, 06:00
[expand - 1 more] - Re: Drill 1.3 Timing: Let's start the vote next week - Drill - [mail # dev]
...The ByteBuffer changes have been officially merged into mainline Parquet.Anyone with interest in looking at the corresponding changes on the Drillside can go take a look at my JIRA I posted ...
   Author: Jason Altekruse, 2015-11-04, 19:16
Re: Query a field with empty list - Drill - [mail # dev]
...I do agree that we should distinguish between empty lists and nulls. Iconsider this related to the outstanding task to allow for untyped nulls,as empty lists like this in JSON does not give ...
   Author: Jason Altekruse, 2015-11-02, 21:27
Re: [DISCUSS] Ideas to improve metadata cache read performance - Drill - [mail # dev]
...Overall the best test for this feature would be a performance comparisonbetween a query that can prune vs one that cannot. No plan verification isreally needed. This actually captures any is...
   Author: Jason Altekruse, 2015-10-29, 18:56
[DRILL-3484] Error using functions with no parameters when `drill.exec.functions.cast_empty_string_to_null` is set to true - Drill - [issue]
...There is an issue with function materialization when the function has no parameters and this option is set. This cases a low level IOOB exception to be thrown.0: jdbc:drill:zk=local> sele...
http://issues.apache.org/jira/browse/DRILL-3484    Author: Jason Altekruse, 2015-10-21, 23:57
Re: Convert from Array to String - Drill - [mail # user]
...We don't implement casts on array or map, but we do have a convert functionthat will convert a complex structure to json.You can invoke it like this:     convert_from( map_or_list_...
   Author: Jason Altekruse, 2015-10-12, 19:57
Re: JSON Data with dot in keyname - Drill - [mail # user]
...That is correct, if this is failing in a select *, that is a bug. Can youplease file a JIRA?On Mon, Oct 12, 2015 at 10:27 AM, Paul Ilechko wrote: ...
   Author: Jason Altekruse, 2015-10-12, 17:34
Re: Drill + gzipped-CSV performance - Drill - [mail # user]
...The issue you are likely hitting is not being CPU bound, butunder-parallelizing. Files that are gzip compressed are not splittable inHDFS, so we will be reading the whole file on a single th...
   Author: Jason Altekruse, 2015-10-07, 21:03
[expand - 4 more] - Re: [VOTE] Release Apache Drill 1.2.0 (rc0) - Drill - [mail # dev]
...Hey Everyone,I ran into an issue testing the JDBC patch from Andrew. After a littleinvestigation I managed to find a fix for it, just a small change in thepom configuration for the new integ...
   Author: Jason Altekruse, 2015-10-07, 20:52
[DRILL-3899] SplitUpComplexExpressions rule should be enhanced to avoid planning unnecessary copies of data - Drill - [issue]
...A small enhancement was made as part of DRILL-3876 to remove an unnecessary copy in a simple flatten case. This was easy to implement, but did not cover all of the possible cases where the r...
http://issues.apache.org/jira/browse/DRILL-3899    Author: Jason Altekruse, 2015-10-06, 17:25
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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