Source Code for Module dak.dakdb.update72

 1  """ 
 2  Remove redundant indices 
 3   
 4  @contact: Debian FTP Master <ftpmaster@debian.org> 
 5  @copyright: 2012 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   
27  from daklib.dak_exceptions import DBUpdateError 
28   
29  ################################################################################ 
30   
31   
32 -def do_update(self): 
33      """ 
34      Remove redundant indices 
35      """ 
36      print(__doc__) 
37      try: 
38          c = self.db.cursor() 
39   
40          indices = [ 
41              # table 'binaries': 
42              "binaries_id",  # (id). already covered by binaries_pkey (id) 
43              "binaries_by_package",  # (id, package). already covered by binaries_pkey (id) 
44              "binaries_files",  # (file). already covered by binaries_file_key (file) 
45              "jjt5",  # (id, source). already covered by binaries_pkey (id) 
46              # table 'changes': 
47              "changesin_queue_approved_for",  # (in_queue, approved_for). already covered by changesin_queue (in_queue) 
48              # table 'files': 
49              "jjt",  # (id). already covered by files_pkey (id) 
50              "jjt3",  # (id, location). already covered by files_pkey (id) 
51              # table 'override': 
52              "override_suite_key",  # (suite, component, package, type). same as override_pkey 
53              # table 'suite': 
54              "suite_hash",  # (suite_name). already covered by suite_name_unique (suite_name) 
55              # table 'suite_architectures': 
56              "suite_architectures_suite_key",  # (suite, architecture). same as suite_architectures_pkey 
57          ] 
58          for index in indices: 
59              c.execute("DROP INDEX IF EXISTS {0}".format(index)) 
60   
61          c.execute("UPDATE config SET value = '72' WHERE name = 'db_revision'") 
62          self.db.commit() 
63   
64      except psycopg2.ProgrammingError as msg: 
65          self.db.rollback() 
66          raise DBUpdateError( 
67              "Unable to apply sick update 72, rollback issued. Error message : %s" 
68              % (str(msg)) 
69          ) 
70