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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2005-10-13 00:24:09 +0000 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2005-10-13 00:24:09 +0000 |
| commit | 606ca937628fdb765c8efce91c2763d33a8bf746 (patch) | |
| tree | ed47e62e6366c0f806f52786b5049051d123d3c1 /examples/adjacencytree/tables.py | |
| parent | 756748d02ed08ec4c894042ba2f4fdccc8fdcbdb (diff) | |
| download | sqlalchemy-606ca937628fdb765c8efce91c2763d33a8bf746.tar.gz | |
new examples
Diffstat (limited to 'examples/adjacencytree/tables.py')
| -rw-r--r-- | examples/adjacencytree/tables.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/examples/adjacencytree/tables.py b/examples/adjacencytree/tables.py index 3cfe1e931..d721d9330 100644 --- a/examples/adjacencytree/tables.py +++ b/examples/adjacencytree/tables.py @@ -3,6 +3,10 @@ import sqlalchemy.engine engine = sqlalchemy.engine.create_engine('sqlite', ':memory:', {}, echo = True) +"""create the treenodes table. This is ia basic adjacency list model table. +One additional column, "root_node_id", references a "root node" row and is used +in the 'byroot_tree' example.""" + trees = Table('treenodes', engine, Column('node_id', Integer, primary_key=True), Column('parent_node_id', Integer, ForeignKey('treenodes.node_id'), nullable=True), |