Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/20057#discussion_r168927631
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/jdbc/MsSqlServerDialect.scala ---
@@ -42,4 +42,17 @@ private object MsSqlServerDialect extends JdbcDialect {
}
override def isCascadingTruncateTable(): Option[Boolean] = Some(false)
+
+ /**
+ * The SQL query used to truncate a table.
+ * @param table The JDBCOptions.
+ * @param cascade Whether or not to cascade the truncation. Default
value is the
+ * value of isCascadingTruncateTable(). Ignored for MsSql
as it is unsupported.
--- End diff --
And, for all dialects, please remove it or move it consistently.
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