[jira] [Created] (FLINK-4795) CsvStringify crashes in case of tuple in tuple, t.e. ("a", True, (1,5))

[Shang Yuanchun (Jira)]

Yakov Goldberg created FLINK-4795:
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             Summary: CsvStringify crashes in case of tuple in tuple, t.e. ("a", True, (1,5))
                 Key: FLINK-4795
                 URL: https://issues.apache.org/jira/browse/FLINK-4795
             Project: Flink
          Issue Type: Bug
          Components: Python API
            Reporter: Yakov Goldberg


CsvStringify crashes in case of tuple in tuple, t.e. ("a", True, (1,5))

Looks like, mistyping in CsvStringify._map()

def _map(self, value):
        if isinstance(value, (tuple, list)):
            return "(" + b", ".join([self.map(x) for x in value]) + ")"
        else:
            return str(value)

self._map() should be called

But this will affect write_csv() and read_csv().
write_csv() will work automatically
and read_csv() should be implemented to be able to read Tuple type.




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