Redundant unique constraint
federation extension have redundant unique constraint. The unique constraint is totally useless, as (id, idp_id) columns are columns of a composite primary key, which is unique by definition. Change-Id: I93648ab89b26d7e77875a1faa8575a146224232f Partial-Bug: #1292591
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@ -27,7 +27,6 @@ class FederationProtocolModel(sql.ModelBase, sql.DictBase):
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idp_id = sql.Column(sql.String(64), sql.ForeignKey('identity_provider.id',
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ondelete='CASCADE'), primary_key=True)
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mapping_id = sql.Column(sql.String(64), nullable=False)
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__table_args__ = (sql.UniqueConstraint('id', 'idp_id'), dict())
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@classmethod
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def from_dict(cls, dictionary):
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