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PARQUET_CONVERSION_FAILURE error class

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SQLSTATE: 42846

Unable to create a Parquet converter for the data type <dataType> whose Parquet type is <parquetType>.

DECIMAL

Parquet DECIMAL type can only be backed by INT32, INT64, FIXED_LEN_BYTE_ARRAY, or BINARY.

UNSUPPORTED

Please modify the conversion making sure it is supported.

WITHOUT_DECIMAL_METADATA

Please read this column/field as Spark BINARY type.