dilipbiswal commented on a change in pull request #28953:
URL: https://github.com/apache/spark/pull/28953#discussion_r447427697
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File path: docs/sql-data-sources-jdbc.md
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@@ -156,6 +156,20 @@ the following case-insensitive options:
</td>
</tr>
+ <tr>
+ <td><code>preActions</code></td>
+ <td>
+ You can specify custom queries which you want to run before reading
data from JDBC or writing data to JDBC. It is called per DataFrame, not per
session.
Review comment:
@moomindani Do we allow multiple pre actions ? Or we allow just one ?
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