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[HIVE-348] Provide type information to custom mappers and reducers. - Hive - [issue]
...Either by setting an environment variable with the schema, or (ideally), configurably passing JSON data to custom mappers/reducers. This would be more data to pump into the pipe on each mapp...
http://issues.apache.org/jira/browse/HIVE-348    Author: Venky Iyer, 2009-08-03, 18:43
[HIVE-449] Automatic memoization of intermediate data tables - Hive - [issue]
...Processing data with Hive encourages you to specify your data transformation in the form of fairly complex nested joins/cluster bys/group bys etc, supplementing functionality with custom tra...
http://issues.apache.org/jira/browse/HIVE-449    Author: Venky Iyer, 2009-04-27, 03:56
[HIVE-380] Split n-partition job into K (n/K)-partition sized jobs when possible. - Hive - [issue]
...While this is perhaps slower for the job, it allows users to easily run larger jobs without significantly hurting the cluster in one blow. (Although you could still waste more resources this...
http://issues.apache.org/jira/browse/HIVE-380    Author: Venky Iyer, 2009-03-30, 19:28
[HIVE-346] Support ENUM types - Hive - [issue]
...ENUM types would be useful for reducing data size as well as for mapping constants to meaningful names....
http://issues.apache.org/jira/browse/HIVE-346    Author: Venky Iyer, 2009-03-13, 19:52
[HIVE-67] Short-circuiting of the OR operator doesn't seem to be happening - Hive - [issue]
...An example case isselect t.date from t where t.date = '' or month(t.date) = '12'; This still seems to be produce errors like java.io.IOException: org.apache.hadoop.hive.ql.metadata.HiveExcep...
http://issues.apache.org/jira/browse/HIVE-67    Author: Venky Iyer, 2009-03-12, 01:11
[HIVE-312] create table with tinyint is broken - Hive - [issue]
...org.apache.hadoop.hive.serde2.dynamic_type.ParseException: Encountered "byte" at line 1, column 108.                          ...
http://issues.apache.org/jira/browse/HIVE-312    Author: Venky Iyer, 2009-02-27, 10:47
[HIVE-227] TRANSFORM(t.*) is broken - Hive - [issue]
...from table_name tselect transform(t.*)using 'cat'as ....gives an error likeFAILED: Parse Error: line 1:230 cannot recognize input 'select'I think this used to work though.....
http://issues.apache.org/jira/browse/HIVE-227    Author: Venky Iyer, 2009-02-24, 22:22
[HIVE-304] Run sampled queries (ie. one mapper only) to allow testing and estimation of data volume expansion/contraction for mapred.reduce.tasks. - Hive - [issue]
...It should be possible to run a sample of a query so that users can verify the output looks reasonable (for testing), and to estimate various parameters about how the data volume changes, for...
http://issues.apache.org/jira/browse/HIVE-304    Author: Venky Iyer, 2009-02-24, 19:43
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