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We recommend that instead you use the Alphanumeric Extra Extended Character Set, as support for this may be removed in the future.

Hive Limitation and Conversion

Hive 0.12 only supports the alphanumeric extended character set: alphanumeric characters (a-z A-Z 0-9) and underscores (_).

As a consequence, any hyphens or periods in dataset names will be converted to underscores while creating Hive tables.

Example:

• The datasets

  • my-dataset

  • my_dataset

  • my.dataset

  will all be converted to dataset_my_dataset

Names should be carefully constructed to avoid any collisions as a result of conversion.

Note that if you configure the Hive table name using the explore.table.name property (see Data Exploration), then the value of that property is used literally; that is, no prefix is added and no character conversion takes place.