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[jira] [Created] (FLINK-11066) Migrate main Table API classes to flink-table-api-base


Timo Walther created FLINK-11066:
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             Summary: Migrate main Table API classes to flink-table-api-base
                 Key: FLINK-11066
                 URL: https://issues.apache.org/jira/browse/FLINK-11066
             Project: Flink
          Issue Type: New Feature
          Components: Table API & SQL
            Reporter: Timo Walther


This issue covers the forth step of the migration plan mentioned in [FLIP-28|https://cwiki.apache.org/confluence/display/FLINK/FLIP-28%3A+Long-term+goal+of+making+flink-table+Scala-free].

The most important API classes such as TableEnvironments and Table are exposing a lot of protected methods in Java. Migrating those classes makes the API clean and the implementation ready for a major refactoring for the new catalog support. We can also think about a separation of interface and implementation; e.g. {{Table}} & {{TableImpl}}. However, the current API design makes this difficult as we are using constructors of interfaces {{new Table(...)}}.

This issue tracks efforts of porting API classes.



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