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https://issues.apache.org/jira/browse/FLINK-20862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-20862:
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Labels: pull-request-available (was: )
> Add a converter from TypeInformation to DataType
> ------------------------------------------------
>
> Key: FLINK-20862
> URL: https://issues.apache.org/jira/browse/FLINK-20862
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: Timo Walther
> Assignee: Timo Walther
> Priority: Major
> Labels: pull-request-available
>
> Implement a new TypeInfoDataTypeConverter that will no longer produce
> LegacyTypeInformationType.
> As mentioned in the FLIP:
> - All types from DataStream API should be supported by this converter.
> - TupleTypeInfoBase will be translated into a proper RowType or
> StructuredType.
> - BigDecimals will be converted to DECIMAL(38,18) by default.
> - Composite types (tuples, POJOs, rows) will be flattened by default if they
> are used as top-level records (similar to the old behavior).
> - The order of POJO field's is determined by the DataTypeExtractor and must
> not be defined manually anymore.
> - GenericTypeInfo is converted to RawType immediately by considering the
> current configuration.
> - A DataStream that originated from Table API will keep its DataType
> information due to ExternalTypeInfo implementing DataTypeQueryable.
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