Test data attached. Perhaps I'm doing something else wrong?
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from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm.session import Session
from sqlalchemy.schema import Column
from sqlalchemy.types import Integer
from sqlalchemy.dialects.postgresql import JSONB
Base = declarative_base()
class Foo(Base):
__tablename__ = 'foo'
id = Column(Integer, primary_key=True)
data = Column(JSONB)
database_url = "postgresql://brian@10.0.1.10:5432/test"
e = create_engine(database_url, echo=True)
Base.metadata.create_all(e)
sess = Session(e)
# Insert data
user1 = Foo(id=1, data={'key1': ['a', 'b', 'c'], 'key2': ['d', 'e', 'f']})
user2 = Foo(id=2, data={'key1': ['g', 'h', 'i'], 'key2': ['j', 'k', 'l']})
user3 = Foo(id=3, data={'key1': ['m', 'n', 'o'], 'key2': ['p', 'q', 'r']})
sess.add_all([user1, user2, user3])
sess.commit()
# Tests
# stmt1 = sess.query(Foo).filter(Foo.data['key1'].has_key('a')).all()
# stmt2 = sess.query(Foo).filter(Foo.data['key1'].cast(JSONB).has_key('a')).all()
