cloud-fan commented on a change in pull request #34291:
URL: https://github.com/apache/spark/pull/34291#discussion_r733396995
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala
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@@ -179,6 +179,7 @@ object JDBCRDD extends Logging {
* @param options - JDBC options that contains url, table and other
information.
* @param outputSchema - The schema of the columns or aggregate columns to
SELECT.
* @param groupByColumns - The pushed down group by columns.
+ * @param limit - The pushed down limit.
Review comment:
we should mention that `0` means no limit
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