Possibly obsolete error message for field functions min/max on string field

[qgib]

Author Name: Volker Fröhlich (@volter)
Original Redmine Issue: 3020

Redmine category:vectors
Assignee: Jürgen Fischer

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Using [[QgsVectorDataProvider]]'s maximumValue or minimumValue methods raises above error messages, when used on strings. It's working nevertheless. I assume, these error messages are no longer valid.

[qgib]

Author Name: Jürgen Fischer (@jef-n)

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The OGR functions are still invoked, but if they fail the "standard" implementation is used. So the error message should simply be ignored.

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• resolution was configured as invalid
• status_id was changed from Open to Closed