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[HIVE-449] Automatic memoization of intermediate data tables
...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...
, 2009-04-27, 03:56
[HIVE-380] Split n-partition job into K (n/K)-partition sized jobs when possible.
...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...
, 2009-03-30, 19:28
[HIVE-346] Support ENUM types
...ENUM types would be useful for reducing data size as well as for mapping constants to meaningful names....
, 2009-03-13, 19:52
[HIVE-67] Short-circuiting of the OR operator doesn't seem to be happening
...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...
, 2009-03-12, 01:11
[HIVE-312] create table with tinyint is broken
...org.apache.hadoop.hive.serde2.dynamic_type.ParseException: Encountered "byte" at line 1, column 108.  ...
, 2009-02-27, 10:47
[HIVE-227] TRANSFORM(t.*) is broken
...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.....
, 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.
...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...
, 2009-02-24, 19:43
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