Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/16678#discussion_r97290842 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCOptions.scala --- @@ -73,17 +73,7 @@ class JDBCOptions( // ------------------------------------------------------------ // Optional parameters // ------------------------------------------------------------ - val driverClass = { - val userSpecifiedDriverClass = parameters.get(JDBC_DRIVER_CLASS) - userSpecifiedDriverClass.foreach(DriverRegistry.register) - - // Performing this part of the logic on the driver guards against the corner-case where the - // driver returned for a URL is different on the driver and executors due to classpath - // differences. - userSpecifiedDriverClass.getOrElse { - DriverManager.getDriver(url).getClass.getCanonicalName - } - } + val driverClass = parameters.get(JDBC_DRIVER_CLASS) --- End diff -- Might be too late, but should these be private? Does it solve the issue to make this a def instead?
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