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Ability to cancel query threads that takes to long for example will be a plus at least for people that like the IDE to do it all. Right now I have to open other tools for db querying due to this fact.
I think I saw the same issue already reported ...
You can click on the progress bar and then click on the X icon. However, it will not work in all situations, because I don't know a way to kill the thread in a safe manner. *** This issue has been marked as a duplicate of 74184 ***