Source code for keystone.common.sql.migrate_repo.versions.064_drop_user_and_group_fk

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#      http://www.apache.org/licenses/LICENSE-2.0
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import sqlalchemy

from keystone.common.sql import migration_helpers


[docs]def list_constraints(migrate_engine): meta = sqlalchemy.MetaData() meta.bind = migrate_engine user_table = sqlalchemy.Table('user', meta, autoload=True) group_table = sqlalchemy.Table('group', meta, autoload=True) domain_table = sqlalchemy.Table('domain', meta, autoload=True) constraints = [{'table': user_table, 'fk_column': 'domain_id', 'ref_column': domain_table.c.id}, {'table': group_table, 'fk_column': 'domain_id', 'ref_column': domain_table.c.id}] return constraints
[docs]def upgrade(migrate_engine): # SQLite does not support constraints, and querying the constraints # raises an exception if migrate_engine.name == 'sqlite': return migration_helpers.remove_constraints(list_constraints(migrate_engine))