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I can't reproduce. Can you share some data and an example of a query which crashes?

Nyall Dawson wrote:

I can't reproduce. Can you share some data and an example of a query which crashes?

Just now, I created a new layer on a new project, with 2 fields and 4 points I placed. In DB Manager, virtual layers, tried

select * from 'points noname'

and got a list of the 4 points. I tried the same query two more time using selekt and selectt instead of select, got an error and qgis crashed both times. It pops up a small windows called Dtabase Error, with the text: An error occured and a blank field

This also happened in qgis 3.2.1 Also, I would use qgis 3.0 to get around these crashes, but recently qgis 3.0 has started giving me this python error on load (with a blank python path). I uninstalled and reinstalled qgis 3.0 but it doesn't change. This makes me lose the DB Manager and all vector functions:

--------------------------------------
Couldn't load qgis.user.
Python support will be disabled.

traceback.print_exception() failed

Python version:

QGIS version:
3.0.3-Girona 'Girona', 8a899c8758

Python path:

----------------------------------------------------------------
Here is the copied crash report from my sql test with an error in the query on qgis 3.2:

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Report Details¶

Crash ID: 64cec76a14e602614eb14097e30f819dcafc6082

Stack Trace

QBasicMutex::unlockInternal :
QgsTask::processSubTasksForTermination :
QgsTask::cancel :
PyInit__core :
PyCFunction_FastCallDict :
PyObject_GenericGetAttr :
PyEval_EvalFrameDefault :
PyFunction_FastCallDict :
PyObject_CallFunctionObjArgs :
PyObject_Call :
PyInit_sip :
std::basic_string<char,std::char_traits<char>,std::allocator<char> >::shrink_to_fit :
std::_String_alloc<std::_String_base_types<char,std::allocator<char> > >::_Getal :
QgsTask::subTaskStatusChanged :
QMetaCallEvent::placeMetaCall :
QObject::event :
std::_String_alloc<std::_String_base_types<char,std::allocator<char> > >::_Getal :
QApplicationPrivate::notify_helper :
QApplication::notify :
QgsApplication::notify :
QCoreApplication::notifyInternal2 :
QCoreApplicationPrivate::sendPostedEvents :
qt_plugin_query_metadata :
QEventDispatcherWin32::processEvents :
CallWindowProcW :
DispatchMessageW :
QEventDispatcherWin32::processEvents :
qt_plugin_query_metadata :
QEventLoop::exec :
QCoreApplication::exec :
main :
BaseThreadInitThunk :
RtlUserThreadStart :

QGIS Info
QGIS Version: 3.2.2-Bonn
QGIS code revision: 26842169e9
Compiled against Qt: 5.9.2
Running against Qt: 5.9.2
Compiled against GDAL: 2.2.4
Running against GDAL: 2.2.4

System Info
CPU Type: x86_64
Kernel Type: winnt
Kernel Version: 10.0.17134

Bulk closing 82 tickets in feedback state for more than 90 days affecting an old version. Feel free to reopen if it still applies to a current version and you have more information that clarify the issue.