Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Frozenset? #306

Closed
tschm opened this Issue Nov 6, 2017 · 2 comments

Comments

Projects
None yet
4 participants
@tschm
Copy link

tschm commented Nov 6, 2017

This is a query I use to select all fields that are of type BB static or BB dynamic:

x = [name for name in select(f.name for f in Field if f.type.name in set({'BB-static', 'BB-dynamic'}))]

Good Python suggests to remove the set() construct and go directly with {...}. I am running Python 3.6.
However, then {} is a frozenSet and pony fails.

@Vitalium

This comment has been minimized.

Copy link

Vitalium commented Nov 6, 2017

Why not to use list [] or tuple ()?

x = [name for name in select(f.name for f in Field if f.type.name in ['BB-static', 'BB-dynamic'])]

@kozlovsky kozlovsky added the bug label Nov 12, 2017

@kozlovsky kozlovsky added this to the 0.7.4 milestone Nov 12, 2017

@kozlovsky kozlovsky closed this in 8504c09 Nov 12, 2017

@sashaaero

This comment has been minimized.

Copy link
Member

sashaaero commented Nov 12, 2017

Thanks for reporting, tschm. Fix is already on github.
Now it should work.

kozlovsky added a commit that referenced this issue Jul 23, 2018

Pony ORM Release 0.7.4 (2018-07-23)
# Major features

* Hybrid methods and properties added: https://docs.ponyorm.com/entities.html#hybrid-methods-and-properties
* Allow to base queries on another queries: `select(x.a for x in prev_query if x.b)`
* Added support of Python 3.7
* Added support of PyPy
* `group_concat()` aggregate function added
* pony.flask subpackage added for integration with Flask

# Other features

* `distinct` option added to aggregate functions
* Support of explicit casting to `float` and `bool` in queries

# Improvements

* Apply @cut_traceback decorator only when pony.MODE is 'INTERACTIVE'

# Bugfixes

* In SQLite3 `LIKE` is case sensitive now
* #249: Fix incorrect mixin used for Timedelta
* #251: correct dealing with qualified table names
* #301: Fix aggregation over JSON Column
* #306: Support of frozenset constants added
* #308: Fixed an error when assigning JSON attribute value to the same attribute: obj.json_attr = obj.json_attr
* #313: Fix missed retry on exception raised during db_session.__exit__
* #314: Fix AttributeError: 'NoneType' object has no attribute 'seeds'
* #315: Fix attribute lifting for JSON attributes
* #321: Fix KeyError on obj.delete()
* #325: duplicating percentage sign in raw SQL queries without parameters
* #331: Overriding __len__ in entity fails
* #336: entity declaration serialization
* #357: reconnect after PostgreSQL server closed the connection unexpectedly
* Fix Python implementation of between() function and rename arguments: between(a, x, y) -> between(x, a, b)
* Fix retry handling: in PostgreSQL and Oracle an error can be raised during commit
* Fix optimistic update checks for composite foreign keys
* Don't raise OptimisticCheckError if db_session is not optimistic
* Handling incorrect datetime values in MySQL
* Improved ImportError exception messages when MySQLdb, pymysql, psycopg2 or psycopg2cffi driver was not found
* desc() function fixed to allow reverse its effect by calling desc(desc(x))
* __contains__ method should check if objects belong to the same db_session
* Fix pony.MODE detection; mod_wsgi detection according to official doc
* A lot of inner fixes
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.