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Diffstat (limited to 'docs/tutorials')
| -rw-r--r-- | docs/tutorials/wiki2/basiclayout.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/tutorials/wiki2/basiclayout.rst b/docs/tutorials/wiki2/basiclayout.rst index 976f12e90..6d1ff73a0 100644 --- a/docs/tutorials/wiki2/basiclayout.rst +++ b/docs/tutorials/wiki2/basiclayout.rst @@ -250,8 +250,10 @@ to describe the schema of the database and this is done by defining models that inherit from the ``Base`` attached to that ``metadata`` object. In Python, code is only executed if it is imported and so to attach the ``models`` table, defined in ``mymodel.py`` to the ``metadata`` we must -import it. If we skip this step then later when we run ``metadata.create_all`` -the table will not be created because the ``metadata`` does not know about it! +import it. If we skip this step then later when we run +:meth:`sqlalchemy.schema.MetaData.create_all` the table will not be created +because the ``metadata`` does not know about it! + Another important reason to import all of the models is that when defining relationships between models they must all exist in order for SQLAlchemy to find and build those internal mappings. This is why after |