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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2019-11-25 15:09:47 -0500 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2019-11-26 10:42:17 -0500 |
| commit | f7fe966a4c40fbe98e6321d275ffee8f898a211b (patch) | |
| tree | 294b98de75acc45554ab078f38279742b68ea049 /lib/sqlalchemy/sql/roles.py | |
| parent | c2432d9d190bdc67f274b8da9296ff9ed044bef1 (diff) | |
| download | sqlalchemy-f7fe966a4c40fbe98e6321d275ffee8f898a211b.tar.gz | |
Remove ORM elements from annotations at the schema level.
Fixed issue where when constructing constraints from ORM-bound columns,
primarily :class:`.ForeignKey` objects but also :class:`.UniqueConstraint`,
:class:`.CheckConstraint` and others, the ORM-level
:class:`.InstrumentedAttribute` is discarded entirely, and all ORM-level
annotations from the columns are removed; this is so that the constraints
are still fully pickleable without the ORM-level entities being pulled in.
These annotations are not necessary to be present at the schema/metadata
level.
Fully implemented coercions for constraint columns within
schema.py, including for FK referenced columns.
Fixes: #5001
Change-Id: I895400dd979310be034085d207f096707c635909
Diffstat (limited to 'lib/sqlalchemy/sql/roles.py')
| -rw-r--r-- | lib/sqlalchemy/sql/roles.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/roles.py b/lib/sqlalchemy/sql/roles.py index 55c52d401..caa68d0ab 100644 --- a/lib/sqlalchemy/sql/roles.py +++ b/lib/sqlalchemy/sql/roles.py @@ -186,4 +186,10 @@ class DDLExpressionRole(StructuralRole): class DDLConstraintColumnRole(SQLRole): - _role_name = "String column name or column object for DDL constraint" + _role_name = "String column name or column expression for DDL constraint" + + +class DDLReferredColumnRole(DDLConstraintColumnRole): + _role_name = ( + "String column name or Column object for DDL foreign key constraint" + ) |