[jira] [Created] (FLINK-3615) Add support for non-native SQL types

[Shang Yuanchun (Jira)]

Vasia Kalavri created FLINK-3615:
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             Summary: Add support for non-native SQL types
                 Key: FLINK-3615
                 URL: https://issues.apache.org/jira/browse/FLINK-3615
             Project: Flink
          Issue Type: Improvement
          Components: Table API
            Reporter: Vasia Kalavri


The TypeConverter of the Table API currently only supports basic types. We should maybe re-design the way {{sqlTypeToTypeInfo}} works. It is used in the {{CodeGenerator}} for visiting literals, in {{DataSetAggregate}} to create the {{RowTypeInfo}} and in {{determineReturnType}}. We could maybe provide a custom implementation per operator to determine the return type, based on the input fields.



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