can only delete after altering table
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@ -8,7 +8,6 @@ from django.db import models
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class Migration(SchemaMigration):
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def forwards(self, orm):
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orm['sequence.Sequence'].objects.all().delete()
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# Removing unique constraint on 'Sequence', fields ['item', 'end', 'mode', 'start']
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db.delete_unique('sequence_sequence', ['item_id', 'end', 'mode', 'start'])
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@ -32,6 +31,7 @@ class Migration(SchemaMigration):
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# Adding unique constraint on 'Sequence', fields ['sort', 'start', 'end', 'mode']
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db.create_unique('sequence_sequence', ['sort_id', 'start', 'end', 'mode'])
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orm['sequence.Sequence'].objects.all().delete()
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def backwards(self, orm):
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# Removing unique constraint on 'Sequence', fields ['sort', 'start', 'end', 'mode']
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