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Diffstat (limited to 'lib/sqlalchemy/sql/schema.py')
| -rw-r--r-- | lib/sqlalchemy/sql/schema.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py index 9a8f06c9e..b7d6743be 100644 --- a/lib/sqlalchemy/sql/schema.py +++ b/lib/sqlalchemy/sql/schema.py @@ -3523,6 +3523,18 @@ class MetaData(SchemaItem): schema-qualified name, e.g. ``my_metadata.tables["some_schema.my_table"]``. + The current behavior of the :class:`.ForeignKey` object is to + circumvent this restriction, where it can locate a table given + the table name alone, where the schema will be assumed to be + present from this value as specified on the owning + :class:`.MetaData` collection. However, this implies that a + table qualified with BLANK_SCHEMA cannot currently be referred + to by string name from :class:`.ForeignKey`. Other parts of + SQLAlchemy such as Declarative may not have similar behaviors + built in, however may do so in a future release, along with a + consistent method of referring to a table in BLANK_SCHEMA. + + .. seealso:: :paramref:`.Table.schema` |