If you want to your SQL as a source for your Jasper reports you can install SmartQL Smart QL addon alongside Smart Reports. Since version 0.11.0 Smart Reports app contains built-in integration with Smart QL. It comes in form of Jira plugin which installs automatically with Smart Reports - it is called Smart-Reports Smart-QL integration. To enable it - simple ensure that Smart-Reports Smart-QL integration addon is enabled in your JIRA. You can do it in Addons managements.

Integrating Smart Reports and Smart QL

1. Ensure Smart-QL app is enabled.
2. Ensure Smart-Reports app is enabled.
3. Ensure Smart-Reports Smart-QL integration is enabled.

Disable integration and use Smart Reports and Smart QL separately  

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