Source Code for Module dak.dakdb.update109

 1  """ 
 2  Change indices for {src,bin}_contents 
 3   
 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  """ 
 8   
 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. 
13   
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. 
18   
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 
22   
23  ################################################################################ 
24   
25  import psycopg2 
26  from daklib.dak_exceptions import DBUpdateError 
27  from daklib.config import Config 
28   
29  statements = [ 
30  """ 
31  DROP INDEX IF EXISTS ind_bin_contents_binary 
32  """, 
33  """ 
34  ALTER TABLE bin_contents 
35    DROP CONSTRAINT IF EXISTS bin_contents_pkey 
36  """, 
37  """ 
38  CREATE UNIQUE INDEX bin_contents_pkey 
39    ON bin_contents (binary_id, file) WITH (fillfactor = 80) 
40  """, 
41  """ 
42  ALTER TABLE bin_contents 
43    ADD PRIMARY KEY USING INDEX bin_contents_pkey 
44  """, 
45  """ 
46  CLUSTER bin_contents USING bin_contents_pkey 
47  """, 
48  """ 
49  DROP INDEX IF EXISTS src_contents_source_id_idx 
50  """, 
51  """ 
52  ALTER TABLE src_contents 
53    DROP CONSTRAINT IF EXISTS src_contents_pkey 
54  """, 
55  """ 
56  CREATE UNIQUE INDEX src_contents_pkey 
57    ON src_contents (source_id, file) WITH (fillfactor = 80) 
58  """, 
59  """ 
60  ALTER TABLE src_contents 
61    ADD PRIMARY KEY USING INDEX src_contents_pkey 
62  """, 
63  """ 
64  CLUSTER src_contents USING src_contents_pkey 
65  """, 
66  ] 
67   
68  ################################################################################ 
69   
70   
71 -def do_update(self): 
72      print(__doc__) 
73      try: 
74          cnf = Config() 
75   
76          c = self.db.cursor() 
77   
78          for stmt in statements: 
79              c.execute(stmt) 
80   
81          c.execute("UPDATE config SET value = '109' WHERE name = 'db_revision'") 
82          self.db.commit() 
83   
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)) 
87