Unique group component in field definition is not adapted

[thyb]

Current behavior

If you already have data in your entities, it's impossible to add unique group to multiple fields as you have to add them one by one and one in a group and a field alone is not unique.

e.g.

test	test2
a	b
a	a
b	a
b	b

If I add unique group to the field "test" and "test2" I have to go in the field "test" and set the unique group (by setting up a group name) and then do the same this in "test2" (with the same group name) but instead it crashes just after adding the unique group to "test" as the field alone is not unique.

Expected behavior

When unique group is checked, instead of giving a group name, you would have to select one or multiple field(s) from the same entity. Materia designer would infer the unique group name.

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• OS Platform / arch: All
• Database : All
• Materia Server Version: 0.3.0
• Materia Designer Version: 0.3.0