If you’re using the native JSON or JSONB types in PostgreSQL, SQLAlchemy has some extra support for that type:
http://docs.sqlalchemy.org/en/rel_1_0/dialects/postgresql.html#sqlalchemy.dialects.postgresql.JSONB Simon > On 15 Mar 2016, at 20:57, Christopher Lee <[email protected]> wrote: > > Are you referring to the sqlalchemy-utils JSONType > (https://github.com/kvesteri/sqlalchemy-utils)? It doesn't look like it > supports querying at all, only saving Python dicts directly. > > If you are using PostgreSQL and the native Json type, you might want to check > out: > https://www.compose.io/articles/using-json-extensions-in-postgresql-from-python-2/ > > > On Tue, Mar 15, 2016 at 9:50 AM, 'Boncheff' via sqlalchemy > <[email protected]> wrote: > We have a DB model that contains a 'foo' field which is JSONType > > Inside this we store the following data: > > foo => [{"apps": ["test_app"]}, {"tags": ["test_tag1", "test_tag2"]}] > > My question is, how can I, using session.query, select all items that have a > test_tag_1 as a tag inside the foo column? > > I tried > session.query(MyModel).filter(MyModel.foo[0]['tags'].in_('test_tag1')).all() > but this results in > > *** NotImplementedError: Operator 'getitem' is not supported on this > expression > > Is what I am trying to achieve even possible? > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. > > > -- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
