[Octave-bug-tracker] [bug #53841] Could not copy help collection to temporary file. Cannot load sqlite database driver! with Qt 5.12

[John Donoghue]

Follow-up Comment #41, bug #53841 (project octave):

>From the QT docuemnttation:


QHelpEngine::QHelpEngine: Constructs a new help engine with the given parent.
The help engine uses the information stored in the collectionFile for
providing help. If the collection file does not already exist, it will be
created.


Which I guess means it not read only.



QHelpEngineCore::copyCollectionFile: Creates the file fileName and copies all
contents from the current collection file into the newly created file, and
returns true if successful; otherwise returns false.



Which I am guessing may mean it creates a copy - it doesn't say 'uses the
copy'

linguist does a cache copy from the read only source using copyCollectionFile
and then opens it in the a new QHelpEngine instance.



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