1"""
2Change indices for {src,bin}_contents
4@contact: Debian FTP Master <ftpmaster@debian.org>
5@copyright: 2015, Ansgar Burchardt <ansgar@debian.org>
6@license: GNU General Public License version 2 or later
7"""
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17# GNU General Public License for more details.
19# You should have received a copy of the GNU General Public License
20# along with this program; if not, write to the Free Software
21# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23################################################################################
25import psycopg2
26from daklib.dak_exceptions import DBUpdateError
27from daklib.config import Config
29statements = [
30"""
31DROP INDEX IF EXISTS ind_bin_contents_binary
32""",
33"""
34ALTER TABLE bin_contents
35 DROP CONSTRAINT IF EXISTS bin_contents_pkey
36""",
37"""
38CREATE UNIQUE INDEX bin_contents_pkey
39 ON bin_contents (binary_id, file) WITH (fillfactor = 80)
40""",
41"""
42ALTER TABLE bin_contents
43 ADD PRIMARY KEY USING INDEX bin_contents_pkey
44""",
45"""
46CLUSTER bin_contents USING bin_contents_pkey
47""",
48"""
49DROP INDEX IF EXISTS src_contents_source_id_idx
50""",
51"""
52ALTER TABLE src_contents
53 DROP CONSTRAINT IF EXISTS src_contents_pkey
54""",
55"""
56CREATE UNIQUE INDEX src_contents_pkey
57 ON src_contents (source_id, file) WITH (fillfactor = 80)
58""",
59"""
60ALTER TABLE src_contents
61 ADD PRIMARY KEY USING INDEX src_contents_pkey
62""",
63"""
64CLUSTER src_contents USING src_contents_pkey
65""",
66]
68################################################################################
71def do_update(self):
72 print(__doc__)
73 try:
74 cnf = Config()
76 c = self.db.cursor()
78 for stmt in statements:
79 c.execute(stmt)
81 c.execute("UPDATE config SET value = '109' WHERE name = 'db_revision'")
82 self.db.commit()
84 except psycopg2.ProgrammingError as msg:
85 self.db.rollback()
86 raise DBUpdateError('Unable to apply sick update 109, rollback issued. Error message: {0}'.format(msg))