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[HIVE-180] Data Generator for thrift-serialized sequence files - Hive - [issue]
...Add a data generator to create thrift-serialized sequence files....
http://issues.apache.org/jira/browse/HIVE-180    Author: Zheng Shao, 2011-12-17, 00:08
[HIVE-308] UNION ALL should create different destination directories for different operands - Hive - [issue]
...The following query hangs:select * from (select 1 from zshao_lazy union all select 2 from zshao_lazy) a; The following query produce wrong results: (one map-reduce job overwrite/cannot ...
http://issues.apache.org/jira/browse/HIVE-308    Author: Zheng Shao, 2011-12-17, 00:08
[HIVE-162] Fix join0.q failure with hadoop 0.17 - Hive - [issue]
...The file order is different. We need to use a single reducer.ant cleanant -Dhadoop.version=0.17.0 packageant test -Dtestcase=TestCliDriver -Dqfile=join0.q -Dhadoop.version=0.17.0 -logfile te...
http://issues.apache.org/jira/browse/HIVE-162    Author: Zheng Shao, 2011-12-17, 00:08
[HIVE-415] Long queries does not parse in Hive - Hive - [issue]
...A query like this won't parse, because the Hive grammar allows backtracking:select 1 from mytable UNION ALLselect 1 from mytable UNION ALLselect 1 from mytable UNION ALLselect 1 from mytable...
http://issues.apache.org/jira/browse/HIVE-415    Author: Zheng Shao, 2011-12-17, 00:08
[HIVE-258] Support IF(test, valueTrue, valueFalseOrNull) - Hive - [issue]
...See http://dev.mysql.com/doc/refman/5.0/en/control-flow-functions.html for details.Syntax:IF(expr1,expr2,expr3)...
http://issues.apache.org/jira/browse/HIVE-258    Author: Zheng Shao, 2011-12-17, 00:08
[HIVE-298] Make branch 0.2 forward compatible with tables created with LazySimpleSerDe - Hive - [issue]
...We can easily make branch 0.2 forward-compatible with tables created with LazySimpleSerDe (starting branch 0.3), since LazySimpleSerDe has exactly the same serialized format as TCTLSeparated...
http://issues.apache.org/jira/browse/HIVE-298    Author: Zheng Shao, 2011-12-17, 00:08
[HIVE-561] Make Hash aggregation threshold configurable - Hive - [issue]
...Currently we stop doing Hash aggregation after seeing 100K rows and the reduction is below 50%. We should make it configurable....
http://issues.apache.org/jira/browse/HIVE-561    Author: Zheng Shao, 2011-12-17, 00:07
[HIVE-603] Create table with complex types - Hive - [issue]
...Here is an example:CREATE TABLE mytable (listofmap array<map<string,string>>,mapoflist map<string,array<string>>);...
http://issues.apache.org/jira/browse/HIVE-603    Author: Zheng Shao, 2011-12-17, 00:07
[HIVE-612] Problem in removing temp files in FileSinkOperator.jobClose - Hive - [issue]
...We are doing double delete for files with _tmp prefix....
http://issues.apache.org/jira/browse/HIVE-612    Author: Zheng Shao, 2011-12-17, 00:07
[HIVE-461] Optimize RCFile reading by using column pruning results - Hive - [issue]
...RCFile is a column-based file format introduced in HIVE-352. Column-based storage has shown better compression ratio. On our internal data set (30 columns, most of them are short integer str...
http://issues.apache.org/jira/browse/HIVE-461    Author: Zheng Shao, 2011-12-17, 00:07
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