NULL value issue in range widget: a value of 0 is incorrectly displayed as NULL

[qgib]

Author Name: Andreas Neumann (@andreasneumann)
Original Redmine Issue: 16825
Affected QGIS version: master
Redmine category:edit_widget

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An attribute field of a particular feature has a value of 0.000 and a range widget assigned.

The Postgis type is "numeric(9,3)".

"Allow NULL" is enabled in the edit widget options.

If one opens the form (editing mode enabled) with the identify tool, the display value is "NULL" instead of the zero that exists in the data. 0 or 0.000 should be dipslayed instead.

Three screenshots are attached to show the configuration, edit form and attribut table. The concerned attribute is "vonkm".

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• range_widget_problem1_configuration.png (Andreas Neumann)
• range_widget_problem2_edit_form.png (Andreas Neumann)
• range_widget_problem3_attribtable.png (Andreas Neumann)

[qgib]

Author Name: Giovanni Manghi (@gioman)

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Please check if this issue is still valid on QGIS 3.4.5 or 3.6.

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• status_id was changed from Open to Feedback

[gioman]

This seems fixed now.