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[DRILL-1874] Text reader should allow treating empty fields as NULLs instead of empty string - Drill - [issue]
...The text reader treats a record as a repeated varchar and if there is an empty field it produces an empty string.   This prevents CASTing the field to a numeric type because one can get...
http://issues.apache.org/jira/browse/DRILL-1874    Author: Aman Sinha, 2014-12-18, 22:55
[DRILL-1892] Implement 'Values' operator to handle large IN lists - Drill - [issue]
...This is a placeholder for implementing the Values operator to handle IN lists of size 20 or more.  DRILL-391 bumped up the IN list threshold from 20 to 200 in Calcite as a temporary fix...
http://issues.apache.org/jira/browse/DRILL-1892    Author: Aman Sinha, 2014-12-18, 22:44
[DRILL-1561] Doing 2 phase aggregation after an ORDER BY fails - Drill - [issue]
...Doing a COUNT on top of a subquery that has ORDER-BY causes an error 'SingleMergeExchange only supports a single receiver endpoint'.  See below.// set slice_target to 1 to force introdu...
http://issues.apache.org/jira/browse/DRILL-1561    Author: Aman Sinha, 2014-12-17, 22:31
[DRILL-1873] CTAS in parquet format writes incorrect boolean value - Drill - [issue]
...CTAS statement below is writing False instead of True.  0: jdbc:drill:zk=local> create table foo10 as select true from cp.`tpch/region.parquet`;+------------+------------------------...
http://issues.apache.org/jira/browse/DRILL-1873    Author: Aman Sinha, 2014-12-17, 20:36
[DRILL-391] IN-list predicate with 20 or more elements gives UnsupportedOperationException - Drill - [issue]
...select _MAP['N_REGIONKEY'], _MAP['N_NATIONKEY'] FROM "/tmp/parquet/nation.parquet" where cast(_MAP['N_NATIONKEY'] as int) in (1, 2, 3, 4, 5, 6...
http://issues.apache.org/jira/browse/DRILL-391    Author: Aman Sinha, 2014-12-14, 20:32
[DRILL-1846] Re-ordering output of a subquery on a different column causes error - Drill - [issue]
...In the following the subquery does an order by on n_regionkey and the outer query does another order-by on n_nationkey.  I have to set the slice_target = 1 for this particular data set ...
http://issues.apache.org/jira/browse/DRILL-1846    Author: Aman Sinha, 2014-12-14, 06:36
[DRILL-1859] IllegalReferenceCountException in the decoder inside Netty - Drill - [issue]
...The following query does a LIMIT inside a subquery to force a UnionExchange and then does an ORDER-BY outside that will first re-distribute the data before sorting.  It results in a Dec...
http://issues.apache.org/jira/browse/DRILL-1859    Author: Aman Sinha, 2014-12-12, 22:08
Re: COUNT DISTINCT with HAVING causing a failure - Drill - [mail # user]
...Since there is no GROUP-BY in the query, I am not sure what the HAVINGCOUNT(1) > 0 really means here.  The query computes the total number ofdistinct values of a column and filters i...
   Author: Aman Sinha, 2014-12-10, 21:00
Re: Varchar without length in cast expression - Drill - [mail # dev]
...Prior to DRILL-1470 fix we were not honoring the varchar length.  Afterthat fix we honor the length and that is why you are seeing the change inbehavior.  Drill gets the original l...
   Author: Aman Sinha, 2014-12-10, 00:19
[DRILL-1834] Misleading error message when querying an empty Parquet file - Drill - [issue]
...It is possible that a CTAS may fail and create an empty Parquet file.  When we run a query against this file, we get a misleading error message from the planner that hides the original ...
http://issues.apache.org/jira/browse/DRILL-1834    Author: Aman Sinha, 2014-12-10, 00:02
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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