Add index on valid column of the SQL token Backend
Add migration script to add the index Change-Id: I0d7e231b32040dfb57c2e8023a7f45d65416763c Fixes: bug #1168399
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import sqlalchemy as sql
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def upgrade(migrate_engine):
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meta = sql.MetaData()
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meta.bind = migrate_engine
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token = sql.Table('token', meta, autoload=True)
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idx = sql.Index('ix_token_valid', token.c.valid)
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idx.create(migrate_engine)
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def downgrade(migrate_engine):
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meta = sql.MetaData()
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meta.bind = migrate_engine
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token = sql.Table('token', meta, autoload=True)
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idx = sql.Index('ix_token_valid', token.c.valid)
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idx.drop(migrate_engine)
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