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https://issues.apache.org/jira/browse/FLINK-15038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingsong Lee updated FLINK-15038:
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Fix Version/s: (was: 1.10.0)
> Get field DataType of TableSchema should return DataType with default
> conversion class
> --------------------------------------------------------------------------------------
>
> Key: FLINK-15038
> URL: https://issues.apache.org/jira/browse/FLINK-15038
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Reporter: Jingsong Lee
> Assignee: Jingsong Lee
> Priority: Major
>
> Now, the user and planner construct TableSchema with various DataTypes, them
> maybe have various conversion classes.
> For example, return DataType of Functions maybe with various TypeInformations
> and lead to various conversion classes.
> TableSchema should only have logical informations instead of various
> conversion classes.
> This ticket want to clean the field DataType in TableSchema and return a
> consistent conversion classes to users.
> Modify:
> getFieldDataTypes/getFieldDataType/toRowDataType in TableSchema.
> Before return, we can bridgeTo default conversion class using
> TypeConversions.fromLogicalToDataType(type.getLogicalType()).
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