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8 changes: 5 additions & 3 deletions sqlalchemy_mptt/mixins.py
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
# vim:fenc=utf-8
#
# Copyright © 2014 uralbash <root@uralbash.ru>
# Copyright © 2016 Jiri Kuncar <jiri.kuncar@gmail.com>
#
# Distributed under terms of the MIT license.

Expand Down Expand Up @@ -43,12 +44,13 @@ class Tree(Base, BaseNestedSets):
def __repr__(self):
return "<Node (%s)>" % self.id
"""

@declared_attr
def __table_args__(cls):
return (
Index('%s_lft_idx' % cls.__tablename__, "lft"),
Index('%s_rgt_idx' % cls.__tablename__, "rgt"),
Index('%s_level_idx' % cls.__tablename__, "level"),
Index('%s_lft_idx' % cls.__tablename__, cls.left.name),
Index('%s_rgt_idx' % cls.__tablename__, cls.right.name),
Index('%s_level_idx' % cls.__tablename__, cls.level.name),
)

@classmethod
Expand Down