Merge security fix PR#365 into develop

[nickjjzhao]

• Fix issue with account query db that could result in incorrect data or hung processes
• change N(tester) to "tester"_n and N(role) to "role"_n

Co-Authored-By: Bart Wyatt [email protected]
Co-Authored-By: Kevin Heifner [email protected]
Co-Authored-By: Lin Huang [email protected]

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