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[HIVE-7680] Do not throw SQLException for HiveStatement getMoreResults and setEscapeProcessing(false) - Hive - [issue]
...1. Some JDBC clients call method setEscapeProcessing(false)  (e.g. SQL Workbench)Looks like setEscapeProcessing(false) should do nothing.So, lets do  nothing instead of throwing SQ...
http://issues.apache.org/jira/browse/HIVE-7680    Author: Alexander Pivovarov, 2014-08-22, 19:38
[HIVE-7738] tez select sum(decimal) from union all of decimal and null throws NPE - Hive - [issue]
...if run this query using tez engine then hive will throw NPEselect sum(a) from (  select cast(1.1 as decimal) a from dual  union all  select cast(null as decimal...
http://issues.apache.org/jira/browse/HIVE-7738    Author: Alexander Pivovarov, 2014-08-20, 06:19
[HIVE-7676] JDBC: Support more DatabaseMetaData, ResultSetMetaData methods - Hive - [issue]
...I noticed that some methods in HiveDatabaseMetaData throws exceptions instead of returning true/false. Many JDBC clients expects implementations for particular methods in order to work. E.g....
http://issues.apache.org/jira/browse/HIVE-7676    Author: Alexander Pivovarov, 2014-08-20, 02:49
[HIVE-5321] Join filters do not work correctly with outer joins again - Hive - [issue]
...select * from tt1 left outer join tt2 on (tt1.c1 = tt2.c1 and tt1.c1 <= 2);does not give correct results.to reproduce:hive> create table tt1 (c1 int);hive> create table tt2 (c1 int)...
http://issues.apache.org/jira/browse/HIVE-5321    Author: Alexander Pivovarov, 2013-09-20, 03:37
hive-0.11 hiveserver add jar create temporary function - Hive - [mail # dev]
...I noticed that hive-0.11 hiveserver works differently from hive-0.9 for temporary functions  In hive-0.9 I need to run "add jar" and "create tmp function" only once in one connection. A...
   Author: Alexander Pivovarov, 2013-09-12, 02:30
Re: Enhancing Query Join to speed up Query - Hive - [mail # user]
...Basically 1. if you join table try to filter out as much as possible in WHERE (to reduce amount of data sent form map to reduce step) 2. if you join big table with small table ( wrote:  ...
   Author: Alexander Pivovarov, 2013-06-14, 05:45
Re: Sequence file compression in Hive - Hive - [mail # user]
...Sachin, it works  SET hive.exec.compress.output=true; SET mapred.output.compression.codec=org.apache.hadoop.io.compress.GzipCodec; SET mapred.output.compression.type=BLOCK; create table...
   Author: Alexander Pivovarov, 2013-06-10, 18:37
Re: Need rank(), can't build m6d's version - Hive - [mail # user]
...http://ragrawal.wordpress.com/2011/11/18/extract-top-n-records-in-each-group-in-hadoophive/   On Mon, Apr 1, 2013 at 3:45 PM, Keith Wiley  wrote:  ...
   Author: Alexander Pivovarov, 2013-04-01, 23:12
Re: Function definition in hive - Hive - [mail # user]
...https://cwiki.apache.org/Hive/hiveplugins.html  Creating Custom UDFs  First, you need to create a new class that extends UDF, with one or more methods named evaluate.  package...
   Author: Alexander Pivovarov, 2013-02-23, 01:19
Re: Join not working in HIVE - Hive - [mail # user]
...Hive supports only equi-join  I recommend you to read some hive manual before use it. (e.g. http://hive.apache.org/docs/r0.9.0/language_manual/joins.html https://cwiki.apache.org/Hive/l...
   Author: Alexander Pivovarov, 2012-12-17, 20:45
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