Swarnim Kulkarni created HIVE-3312:
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Summary: Improve Hive Map to HBase column family
Key: HIVE-3312
URL: https://issues.apache.org/jira/browse/HIVE-3312
Project: Hive
Issue Type: Improvement
Components: HBase Handler
Affects Versions: 0.9.0
Reporter: Swarnim Kulkarni
The documentation states the following way to use a map to access a whole
column family:
CREATE TABLE hbase_table_1(value map<string,int>, row_key int)
STORED BY 'org.apache.hadoop.hive.hbase.HBaseStorageHandler'
WITH SERDEPROPERTIES (
"hbase.columns.mapping" = "cf:,:key"
);
Now since we are mapping map<string,int> to the hbase column family cf, it
makes a very crude assumption that all columns in the column family cf are
expected to hold a int value which may be always be the case. This strategy
should probably be improved to support different types of values stored in
columns under the same column family.
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