maropu commented on a change in pull request #28953:
URL: https://github.com/apache/spark/pull/28953#discussion_r451350821
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
##########
@@ -122,6 +123,33 @@ object JdbcUtils extends Logging {
}
}
+ /**
+ * Runs a custom query against a table from the JDBC database.
+ */
+ def runQuery(conn: Connection, actions: String, options: JDBCOptions): Unit
= {
+ val autoCommit = conn.getAutoCommit
+ conn.setAutoCommit(false)
+
+ val commands = QueryStatementUtils.splitSemiColon(actions).asScala
+ val statement = conn.createStatement()
+ statement.setQueryTimeout(options.queryTimeout)
+
+ commands.foreach { command =>
Review comment:
How about adding `logInfo` here?
https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala#L283
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