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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