Source code for dak.dakdb.update109
"""
Change indices for {src,bin}_contents
@contact: Debian FTP Master <ftpmaster@debian.org>
@copyright: 2015, Ansgar Burchardt <ansgar@debian.org>
@license: GNU General Public License version 2 or later
"""
# This program 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; either version 2 of the License, or
# (at your option) any later version.
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
################################################################################
import psycopg2
from daklib.dak_exceptions import DBUpdateError
from daklib.config import Config
statements = [
"""
DROP INDEX IF EXISTS ind_bin_contents_binary
""",
"""
ALTER TABLE bin_contents
DROP CONSTRAINT IF EXISTS bin_contents_pkey
""",
"""
CREATE UNIQUE INDEX bin_contents_pkey
ON bin_contents (binary_id, file) WITH (fillfactor = 80)
""",
"""
ALTER TABLE bin_contents
ADD PRIMARY KEY USING INDEX bin_contents_pkey
""",
"""
CLUSTER bin_contents USING bin_contents_pkey
""",
"""
DROP INDEX IF EXISTS src_contents_source_id_idx
""",
"""
ALTER TABLE src_contents
DROP CONSTRAINT IF EXISTS src_contents_pkey
""",
"""
CREATE UNIQUE INDEX src_contents_pkey
ON src_contents (source_id, file) WITH (fillfactor = 80)
""",
"""
ALTER TABLE src_contents
ADD PRIMARY KEY USING INDEX src_contents_pkey
""",
"""
CLUSTER src_contents USING src_contents_pkey
""",
]
################################################################################
[docs]def do_update(self):
print(__doc__)
try:
cnf = Config()
c = self.db.cursor()
for stmt in statements:
c.execute(stmt)
c.execute("UPDATE config SET value = '109' WHERE name = 'db_revision'")
self.db.commit()
except psycopg2.ProgrammingError as msg:
self.db.rollback()
raise DBUpdateError('Unable to apply sick update 109, rollback issued. Error message: {0}'.format(msg))