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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2019-01-09 02:01:16 -0500 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2019-01-25 20:59:08 -0500 |
| commit | 2eb3f211dae1188a6c1b3664f612f4628fd7b9a9 (patch) | |
| tree | 71d3df245ef979145ac3eabfeae1afe9cee68c05 /lib/sqlalchemy/orm/util.py | |
| parent | f0b344ee9db22085ede906f1041cd6680e2682e3 (diff) | |
| download | sqlalchemy-2eb3f211dae1188a6c1b3664f612f4628fd7b9a9.tar.gz | |
Improve error messages in the area of loader options
Improved error messages emitted by the ORM in the area of loader option
traversal. This includes early detection of mis-matched loader strategies
along with a clearer explanation why these strategies don't match.
Fixes: #4433
Change-Id: I3351b64241f7f62ca141a0be95085e6ef8ca6d32
Diffstat (limited to 'lib/sqlalchemy/orm/util.py')
| -rw-r--r-- | lib/sqlalchemy/orm/util.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/sqlalchemy/orm/util.py b/lib/sqlalchemy/orm/util.py index 8873a6a72..92dd4c4ec 100644 --- a/lib/sqlalchemy/orm/util.py +++ b/lib/sqlalchemy/orm/util.py @@ -530,6 +530,9 @@ class AliasedClass(object): self._aliased_insp._target.__name__, ) + def __str__(self): + return str(self._aliased_insp) + class AliasedInsp(InspectionAttr): """Provide an inspection interface for an @@ -714,6 +717,9 @@ class AliasedInsp(InspectionAttr): with_poly, ) + def __str__(self): + return "aliased(%s)" % (self._target.__name__,) + inspection._inspects(AliasedClass)(lambda target: target._aliased_insp) inspection._inspects(AliasedInsp)(lambda target: target) |