[jira] [Created] (FLINK-7360) Support Scala map type

[Shang Yuanchun (Jira)]

Timo Walther created FLINK-7360:
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             Summary: Support Scala map type
                 Key: FLINK-7360
                 URL: https://issues.apache.org/jira/browse/FLINK-7360
             Project: Flink
          Issue Type: New Feature
          Components: Table API & SQL
            Reporter: Timo Walther


Currently, Flink SQL supports only Java `java.util.Map`. Scala maps are treated as a blackbox with Flink `GenericTypeInfo`/SQL `ANY` data type. Therefore, you can forward these blackboxes and use them within scalar functions but accessing with the `['key']` operator is not supported.

We should convert these special collections at the beginning, in order to use in a SQL statement.



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