leonardBang commented on issue #10289: [FLINK-14924][table sql / api] CsvTableSource can not config empty column as null URL: https://github.com/apache/flink/pull/10289#issuecomment-557466009 I look up csv descriptor, we have two csv descriptor named CSV and OldCsv. Only OldCsv will call CsvTableSource and OldCsv is deprecated, CSV has an another mechanism RuntimeConverter and supports `null literal` property which interpret literal string(i.e. "null" or "N/A") as null value. So I think we do not need to add this feature now.
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