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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
from migrate.changeset import constraint
from buildbot.util import sautils
def upgrade(migrate_engine):
metadata = sa.MetaData()
metadata.bind = migrate_engine
sourcestamps_table = sa.Table('sourcestamps', metadata, autoload=True)
buildsets_table = sa.Table('buildsets', metadata, autoload=True)
# Create the sourcestampset table
# that defines a sourcestampset
sourcestampsets_table = sa.Table("sourcestampsets", metadata,
sa.Column("id", sa.Integer, primary_key=True),
)
sourcestampsets_table.create()
# All current sourcestampid's are migrated to sourcestampsetid
# Insert all sourcestampid's as setid's into sourcestampsets table
sourcestampsetids = sa.select([sourcestamps_table.c.id])
# this doesn't seem to work without str() -- verified in sqla 0.6.0 - 0.7.1
migrate_engine.execute(str(sautils.InsertFromSelect(sourcestampsets_table, sourcestampsetids)))
# rename the buildsets table column
buildsets_table.c.sourcestampid.alter(name='sourcestampsetid')
metadata.remove(buildsets_table)
buildsets_table = sa.Table('buildsets', metadata, autoload=True)
cons = constraint.ForeignKeyConstraint([buildsets_table.c.sourcestampsetid], [sourcestampsets_table.c.id])
cons.create()
# Add sourcestampsetid including index to sourcestamps table
ss_sourcestampsetid = sa.Column('sourcestampsetid', sa.Integer)
ss_sourcestampsetid.create(sourcestamps_table)
# Update the setid to the same value as sourcestampid
migrate_engine.execute(str(sourcestamps_table.update().values(sourcestampsetid=sourcestamps_table.c.id)))
ss_sourcestampsetid.alter(nullable=False)
# Data is up to date, now force integrity
cons = constraint.ForeignKeyConstraint([sourcestamps_table.c.sourcestampsetid], [sourcestampsets_table.c.id])
cons.create()
# Add index for performance reasons to find all sourcestamps in a set quickly
idx = sa.Index('sourcestamps_sourcestampsetid', sourcestamps_table.c.sourcestampsetid, unique=False)
idx.create()
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