Added closing database without closing app.

jlaine / qdjango

QDjango, a Qt-based C++ web framework

GNU Lesser General Public License v2.1

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Added closing database without closing app. #55

Closed kostya740 closed 7 years ago

kostya740 commented 7 years ago

Hello, My application scan USB flash device and next will attache SQL DB. When aplication finish work with DB, app will detach DB and scan next USB flash. So, I need closing DB without close app. You can push this improvement to your version? Thx.

jlaine commented 7 years ago

I am uncomfortable with this change as implemented:

it needs some unit tests
it does not look thread-safe
if you call setDatabase again after closeDatabase, you will have registered the "closeDatabase" post routine twice, do we want this?