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In the above statement, normal Hive column name and type pairs are provided as is the case with normal create table statements. The full AccumuloStorageHandler class name is provided to inform Hive that Accumulo will back this Hive table. A number of properties can be provided to configure the AccumuloStorageHandler via SERDEPROPERTIES or TBLPROPERTIES. The most important property is "accumulo.columns.mapping" which controls how the Hive columns map to Accumulo columns. In this case, the "row" Hive column is used to populate the Accumulo row ID component of the Accumulo Key, while the other Hive columns (name, age, weight and height) are all columns within the Accumulo row.

Column Mapping

The column mapping string is comma-separated list of encoded values whose offset corresponds to the Hive schema for the table. For those familiar with Accumulo, each element in the column mapping string resembles a column_family:column_qualifier; however, there are a few different variants that allow for different control.

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