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Tips
Tips
Querying
For make querying to the database work, there are two alternatives:
- Set the db session when you do the execution:
schema = graphene.Schema() schema.execute(context_value={'session': session})
- Create a query for the models.
Base = declarative_base() Base.query = db_session.query_property() class MyModel(Base): # ...
If you don't specify any, the following error will be displayed:
A query in the model Base or a session in the schema is required for querying.