Masayuki Takahashi created PARQUET-1285:
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Summary: [Java] SchemaConverter should not convert from
TimeUnit.SECOND AND TimeUnit.NANOSECOND of Arrow
Key: PARQUET-1285
URL: https://issues.apache.org/jira/browse/PARQUET-1285
Project: Parquet
Issue Type: Bug
Components: parquet-mr
Reporter: Masayuki Takahashi
Arrow's 'Time' definition is below:
{code:java}
{ "name" : "time", "unit" : "SECOND|MILLISECOND|MICROSECOND|NANOSECOND",
"bitWidth": /* integer: 32 or 64 */ }{code}
[http://arrow.apache.org/docs/metadata.html]
But Parquet only supports 'TIME_MILLIS' and 'TIME_MICROS'.
[https://github.com/Apache/parquet-format/blob/master/LogicalTypes.md]
Therefore SchemaConverter should not convert from TimeUnit.SECOND AND
TimeUnit.NANOSECOND of Arrow to Parquet.
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