Jark Wu created FLINK-14645:
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Summary: Data types defined in DDL will lose precision and
nullability when converting to properties
Key: FLINK-14645
URL: https://issues.apache.org/jira/browse/FLINK-14645
Project: Flink
Issue Type: Sub-task
Components: Table SQL / API
Reporter: Jark Wu
Fix For: 1.10.0
Currently, data types defined in DDL will be converted to {{TypeInformation}}
and use {{TypeStringUtils}} to serialize/deserialize which will lose the
precision and nullablitiy information.
We can use {{LogicalType#asSerializableString}} and {{LogicalTypeParser}} to
serialize/deserialize data types which keeps all the information. But we need
to figure out how to keep compability with previous versions.
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