Enable Query Pushdown
Introduction
If a query can not be answered by any cube, Kylin supports pushing down to SparkSql to query Hive data source.
Enable Query Pushdown
kylin.query.pushdown.runner-class-name=org.apache.kylin.query.pushdown.PushDownRunnerSparkImpl
Do Query Pushdown
After Query Pushdown is configured, user is allowed to do flexible queries to the imported tables without available cubes.
If query is answered by backup engine, Is Query Push-Down
is set to true
in the log.