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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2006-10-15 00:07:06 +0000 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2006-10-15 00:07:06 +0000 |
| commit | 7e5e985c0e17a2d300f9aa8633c3610db600f2e2 (patch) | |
| tree | 553780288c3fc75697d1558187c85f09a9cb42ed /lib/sqlalchemy/sql_util.py | |
| parent | 6b40f50b87a03172d77abf0e50f42b565f416645 (diff) | |
| download | sqlalchemy-7e5e985c0e17a2d300f9aa8633c3610db600f2e2.tar.gz | |
- ForeignKey(Constraint) supports "use_alter=True", to create/drop a foreign key
via ALTER. this allows circular foreign key relationships to be set up.
Diffstat (limited to 'lib/sqlalchemy/sql_util.py')
| -rw-r--r-- | lib/sqlalchemy/sql_util.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql_util.py b/lib/sqlalchemy/sql_util.py index 94caade68..4935b1add 100644 --- a/lib/sqlalchemy/sql_util.py +++ b/lib/sqlalchemy/sql_util.py @@ -40,6 +40,8 @@ class TableCollection(object): tuples = [] class TVisitor(schema.SchemaVisitor): def visit_foreign_key(_self, fkey): + if fkey.use_alter: + return parent_table = fkey.column.table if parent_table in self: child_table = fkey.parent.table |