Github user sbcd90 commented on the pull request:
https://github.com/apache/flink/pull/1551#issuecomment-175592466
Hello zentol,
To answer your initial question,
```
is there any way to check which createStatement method is supported? what
happens if you use the wrong statement?
```
I went into the Jdbc driver code & found that both methods are supported,
however, with the ones defaulted in the code,
ResultSet.TYPE_SCROLL_INSENSITIVE
ResultSet.CONCUR_READ_ONLY
I got this error,
```
java.sql.SQLException: Result set type is TYPE_FORWARD_ONLY
```
I think both variants should be supported & it is up to the api user to
specify which variant they should go for. Hence, this PR. Kindly let me know if
the changes in code are fine now.
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