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[HIVE-1918] Add export/import facilities to the hive system - Hive - [issue]
...This is an enhancement request to add export/import features to hive.With this language extension, the user can export the data of the table - which may be located in different hdfs location...
http://issues.apache.org/jira/browse/HIVE-1918    Author: Krishna Kumar, 2013-07-04, 08:35
[HIVE-2604] Add UberCompressor Serde/Codec to contrib which allows per-column compression strategies - Hive - [issue]
...The strategies supported are1. using a specified codec on the column2. using a specific codec on the column which is serialized via a specific serde3. using a specific "TypeSpecificCompresso...
http://issues.apache.org/jira/browse/HIVE-2604    Author: Krishna Kumar, 2012-09-07, 06:08
[HIVE-2623] Add Integer type compressors - Hive - [issue]
...Type-specific compressors for integers.Starting with elias gamma which prefers small values as per a power-law like distribution....
http://issues.apache.org/jira/browse/HIVE-2623    Author: Krishna Kumar, 2012-08-21, 14:45
[HIVE-2097] Explore mechanisms for better compression with RC Files - Hive - [issue]
...Optimization of the compression mechanisms used by RC File to be explored.Some initial ideas1. More efficient serialization/deserialization based on type-specific and storage-specific knowle...
http://issues.apache.org/jira/browse/HIVE-2097    Author: Krishna Kumar, 2012-08-14, 17:00
[HIVE-2600] Enable/Add type-specific compression for rcfile - Hive - [issue]
...Enable schema-aware compression codecs which can perform type-specific compression on a per-column basis. I see this as in three-parts1. Add interfaces for the rcfile to communicate column i...
http://issues.apache.org/jira/browse/HIVE-2600    Author: Krishna Kumar, 2012-02-14, 00:12
[HIVE-2692] Add compressors for qualitative data types - Hive - [issue]
...Any data type (int, string et al) for which the frequency of occurrences can be counted (a.k.a. categorical or enumeration types), can be compressed via methods such as huffman, arithmetic a...
http://issues.apache.org/jira/browse/HIVE-2692    Author: Krishna Kumar, 2012-01-05, 04:27
[HIVE-2003] LOAD compilation does not set the outputs during semantic analysis resulting in no authorization checks being done for it. - Hive - [issue]
...The table/partition being loaded is not being added to outputs in the LoadSemanticAnalyzer....
http://issues.apache.org/jira/browse/HIVE-2003    Author: Krishna Kumar, 2011-12-16, 23:56
[HIVE-2098] Make couple of convenience methods in EximUtil public - Hive - [issue]
...readMetaData() and createExportDump() to be public...
http://issues.apache.org/jira/browse/HIVE-2098    Author: Krishna Kumar, 2011-12-16, 23:56
[HIVE-2209] Provide a way by which ObjectInspectorUtils.compare can be extended by the caller for comparing maps which are part of the object - Hive - [issue]
...Now ObjectInspectorUtils.compare throws an exception if a map is contained (recursively) within the objects being compared. Two obvious implementations are a simple map comparer which assume...
http://issues.apache.org/jira/browse/HIVE-2209    Author: Krishna Kumar, 2011-12-16, 23:56
[HIVE-2384] import of multiple partitions from a partitioned table with external location overwrites files - Hive - [issue]
...when we import multiple partitions from an exported partitioned table, if we import it with a specified external location, then the partitions end up overwriting....
http://issues.apache.org/jira/browse/HIVE-2384    Author: Krishna Kumar, 2011-12-16, 23:56
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