Improved JDBCInputFormat (FLINK-3750), fixed test Exceptions in the

[fpompermaier]

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Improved JDBCInputFormat (FLINK-3570), fixed test Exceptions in the @afterclass due to unclosed resources and removed unnecessary close()

Still to decide how to proceed with TODOs in the code

[uce]

I think you used the wrong JIRA issue ID.

[fpompermaier]

Yes Ufuk, you're right! it is 3750...do I have to reissue a PR with the right branch name?

[zentol]

you should a) rename the PR and b) force-push your branch with the correct jira ID.

or just re-open, as you wish.