sqlamp is an implementation of an efficient algorithm for working with hierarchical data structures — Materialized Path. sqlamp uses (and depends of) SQLAlchemy. https://github.com/sontek/sqlalchemy_traversal http://sqlamp.angri.ru/ https://github.com/monetizeio/sqlalchemy-orm-tree http://docs.sqlalchemy.org/en/rel_0_9/orm/relationships.html#adjacency-list-relationships https://bitbucket.org/angri/sqlamp -
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