kezhuw commented on a change in pull request #14466:
URL: https://github.com/apache/flink/pull/14466#discussion_r548872516
##########
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();
Review comment:
`@Nullable` added.
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