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database connection for graphene using sqlalchemy
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from sqlalchemy import create_engine | |
from sqlalchemy.ext.declarative import declarative_base, DeferredReflection | |
from sqlalchemy.orm import scoped_session, sessionmaker | |
connection_string = << your connection string here >> | |
engine = create_engine(connection_string) | |
db_session = scoped_session(sessionmaker(autocommit=False, | |
autoflush=False, | |
bind=engine)) | |
Base = declarative_base(cls=DeferredReflection) | |
Base.query = db_session.query_property() |
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