kezhuw commented on a change in pull request #14466:
URL: https://github.com/apache/flink/pull/14466#discussion_r548518932
##########
File path:
flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/internal/connection/JdbcConnectionProvider.java
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@@ -20,13 +20,40 @@
import org.apache.flink.annotation.Internal;
import java.sql.Connection;
+import java.sql.SQLException;
/**
* JDBC connection provider.
*/
@Internal
public interface JdbcConnectionProvider {
- Connection getConnection() throws Exception;
+ /**
+ * Get existing connection.
+ *
+ * @return existing connection
+ */
+ Connection getExistingConnection();
- Connection reestablishConnection() throws Exception;
+ /**
+ * Get existing connection or establish an new one if there is none.
+ *
+ * @return existing connection or newly established connection
+ * @throws SQLException sql exception
+ * @throws ClassNotFoundException driver class not found
+ */
+ Connection getConnection() throws SQLException, ClassNotFoundException;
Review comment:
I had this tendence too and already had a fixup commit in local, I will
push that commit soon.
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