[SQL] SQL fails to cast BeamRelDataTypeSystem to Calcite RelDataTypeSystem

From:

[https://stackoverflow.com/questions/52982347/apache-beam-sqltransforms-schema-issue/52993637?noredirect=1#comment92893146_52993637](https://stackoverflow.com/questions/52982347/apache-beam-sqltransforms-schema-issue/52993637?noredirect=1#comment92893146_52993637)

Consuming Beam as a dependency:
` org.apache.beam beam-sdks-java-extensions-sql ${beam.version} `

`Getting error:`

`An exception occured while executing the Jav a class. java.lang.RuntimeException: Property 'org.apache.beam.sdk.extensions.sql.impl.planner.BeamRelDataTypeSystem' not valid for plugin type org.apache.calcite.r el.type.RelDataTypeSystem: Cannot cast org.apache.beam.sdk.extensions.sql.impl.planner.BeamRelDataTypeSystem to org.apache.calcite.rel.type.RelDataTypeSystem -> [He lp 1]`

Imported from Jira [BEAM-5858](https://issues.apache.org/jira/browse/BEAM-5858). Original Jira may contain additional context.
Reported by: kedin.