[jira] [Created] (FLINK-17294) Using "DataSource" instead of "DriverManager" to get connection in JDBC connector

[Shang Yuanchun (Jira)]

Lijie Wang created FLINK-17294:
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             Summary: Using "DataSource" instead of "DriverManager" to get connection in JDBC connector
                 Key: FLINK-17294
                 URL: https://issues.apache.org/jira/browse/FLINK-17294
             Project: Flink
          Issue Type: New Feature
          Components: Connectors / JDBC
            Reporter: Lijie Wang


I noticed that JDBC connector using DriverManager to get connection, but DataSource is encouraged now.  We should using  DataSource  instead of DriverManager.
About the DriverManager vs DataSource, see https://stackoverflow.com/questions/15198319/why-do-we-use-a-datasource-instead-of-a-drivermanager.
Some implementations of DataSource maybe we can use : alibaba durid, apache dhcp
And we should introduce connection pool to get more performance.



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