Add index on expires column of the SQL token Backend
Add migration script to add the index. bp index-token-expiry Change-Id: I36934c18979df5037d606d4846b29194750847af 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_expires', token.c.expires)
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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_expires', token.c.expires)
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idx.drop(migrate_engine)
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