beliefer commented on a change in pull request #35727:
URL: https://github.com/apache/spark/pull/35727#discussion_r819603109
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File path: sql/core/src/main/scala/org/apache/spark/sql/jdbc/JdbcDialects.scala
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@@ -99,6 +99,16 @@ abstract class JdbcDialect extends Serializable with Logging{
*/
def getJDBCType(dt: DataType): Option[JdbcType] = None
+ /**
+ * Get the factory method for create JDBC connection.
+ * In general, creating a connection has nothing to do with JDBC partition.
+ * But sometimes it is needed, such as a database with multiple shard nodes.
+ * @param options JDBC options.
+ * @return The factory method for create JDBC connection.
+ */
+ def getConnection(options: JDBCOptions): JDBCPartition => Connection =
+ JDBCPartition => JdbcUtils.createConnectionFactory(options)()
Review comment:
OK. Let's use Int as parameter.
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