[jira] [Created] (FLINK-3851) Add interface to register external catalogs in the TableEnvironment

[Shang Yuanchun (Jira)]

Fabian Hueske created FLINK-3851:
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             Summary: Add interface to register external catalogs in the TableEnvironment
                 Key: FLINK-3851
                 URL: https://issues.apache.org/jira/browse/FLINK-3851
             Project: Flink
          Issue Type: New Feature
          Components: Table API
            Reporter: Fabian Hueske


The {{TableEnvironment}} holds an internal table catalog to provide SQL and Table API queries access to structured data. At the moment, DataSets, DataStreams, and TableSources which refer to external tables can be registered as tables.

This issue proposes to implement an interface to connect external catalogs such as Hive's HCatalog or Confluent's SchemaRegistry for Apache Kafka to the {{TableEnvironment}}. With this interface, it should be possible to look-up and access tables which are registered in external catalogs.



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