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# This file is part of Buildbot.  Buildbot is free software: you can 

# redistribute it and/or modify it under the terms of the GNU General Public 

# License as published by the Free Software Foundation, version 2. 

# 

# This program is distributed in the hope that it will be useful, but WITHOUT 

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 

# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more 

# details. 

# 

# You should have received a copy of the GNU General Public License along with 

# this program; if not, write to the Free Software Foundation, Inc., 51 

# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 

# 

# Copyright Buildbot Team Members 

 

import sqlalchemy as sa 

 

def upgrade(migrate_engine): 

    metadata = sa.MetaData() 

    metadata.bind = migrate_engine 

 

    scheduler_changes = sa.Table('scheduler_changes', metadata, 

        sa.Column('schedulerid', sa.Integer), 

        sa.Column('changeid', sa.Integer), 

        sa.Column('important', sa.SmallInteger), 

    ) 

 

    idx = sa.Index('scheduler_changes_unique', 

                   scheduler_changes.c.schedulerid, 

                   scheduler_changes.c.changeid, unique=True) 

    idx.create(migrate_engine)