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Exceptions for package
sqlalchemy
4189
7
1508
The unique() method must be invoked on this Result, as it contains results that include joined eager loads against collections
/ sqlalchemy
3
905
Can't operate on closed transaction inside context manager. Please complete the context manager before emitting further commands.
/ sqlalchemy
2
942
Can't determine which FROM clause to join from, there are multiple FROMS which can join to this entity. Please use the .select_from() method to establish an explicit left side, as well as providing an explicit ON clause if not present already to help resolve the ambiguity.
/ sqlalchemy
2
822
greenlet_spawn has not been called; can't call await_() here. Was IO attempted in an unexpected place?
/ sqlalchemy
2
801
mapper option expects string key or list of attributes
/ sqlalchemy
2
653
Mapped instance expected for relationship comparison to object. Classes, queries and other SQL elements are not accepted in this context; for comparison with a subquery, use %s.has(**criteria).
/ sqlalchemy
2
199
Parent instance %s is not bound to a Session, and no contextual session is established; lazy load operation of attribute '%s' cannot proceed
/ sqlalchemy
2
92
Parent instance %s is not bound to a Session; lazy load operation of attribute '%s' cannot proceed
/ sqlalchemy
2
78
WARNING: when configuring property '%s' on %s, column '%s' conflicts with property '%r'. To resolve this, map the column to the class under a different name in the 'properties' dictionary. Or, to remove all awareness of the column entirely (including its availability as a foreign key), use the 'include_properties' or 'exclude_properties' mapper arguments to control specifically which table columns get mapped.
/ sqlalchemy
2
60
merge() with load=False option does not support objects transient (i.e. unpersisted) objects. flush() all changes on mapped instances before merging with load=False.
/ sqlalchemy
2
47
Only 'unbound' loader options may be used with the Load.options() method
/ sqlalchemy
2
42
psycopg2 native_unicode mode is required under Python 3
/ sqlalchemy
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