MaxGekk commented on a change in pull request #31564:
URL: https://github.com/apache/spark/pull/31564#discussion_r576617058
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File path: docs/sql-data-sources-parquet.md
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@@ -329,4 +365,54 @@ Configuration of Parquet can be done using the `setConf`
method on `SparkSession
</td>
<td>1.6.0</td>
</tr>
+<tr>
+<td>spark.sql.legacy.parquet.datetimeRebaseModeInRead</td>
+ <td><code>EXCEPTION</code></td>
+ <td>The rebasing mode for the values of the <code>DATE</code>,
<code>TIMESTAMP_MILLIS</code>, <code>TIMESTAMP_MICROS</code> logical types from
the Julian to Proleptic Gregorian calendar:<br>
+ <ul>
+ <li><code>EXCEPTION</code>: Spark will fail the reading if it sees
ancient dates/timestamps that are ambiguous between the two calendars.</li>
+ <li><code>CORRECTED</code>: Spark will not do rebase and read the
dates/timestamps as it is.</li>
+ <li><code>LEGACY</code>: Spark will rebase dates/timestamps from the
legacy hybrid (Julian + Gregorian) calendar to Proleptic Gregorian calendar
when reading Parquet files.</li>
+ </ul>
+ This config is only effective if the writer info (like Spark, Hive) of the
Parquet files is unknown.
+ </td>
+ <td>3.0.0</td>
+</tr>
+<tr>
+ <td>spark.sql.legacy.parquet.datetimeRebaseModeInWrite</td>
Review comment:
In this PR https://github.com/apache/spark/pull/31571, I made
`spark.sql.legacy.replaceDatabricksSparkAvro.enabled` as non-internal since it
has been already documented publicly.
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