(SQLAlchemy 1.0.11)
I'm trying to figure out how to define a unique constraint from within the
model when using declarative_base.
class User(Base):
__tablename__ = 'users'
# This obviously doesn't work
__table_args__ = (
UniqueConstraint("data->'email'")
)
data = Column(JSON)
Clearly that is the wrong syntax, but is it possible to do via SQLAlchemy
constructs and not directly creating the constraint with the engine? Our
app is already tied to Postgres at this point, but it'd still be nice to
keep everything in the model.
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