Siting Ren

Results 3 issues of Siting Ren

Migrate to use official Vertica CE docker container.

As mentioned in #185, other clients have polling (e.g. JDBC's ResultSet.getWarnings()) or event driven (ADO.NET's InfoMessage) API's to check for warnings out of band. We need something like that for...

enhancement

- Add new connection option `tlsmode`. - When connection option `ssl` is not set, change its behavior from tlsmode='disable' to tlsmode='prefer'.