Source Code for Module dak.dakdb.update122

 1  """ 
 2  Update default settings for suites 
 3   
 4  @contact: Debian FTP Master <ftpmaster@debian.org> 
 5  @copyright: 2019, 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      Update default settings for suites 
35      """ 
36      print(__doc__) 
37      try: 
38          c = self.db.cursor() 
39   
40          c.execute( 
41              """ 
42            ALTER TABLE suite 
43              ALTER COLUMN indices_compression SET DEFAULT ARRAY['xz'], 
44              ALTER COLUMN i18n_compression SET DEFAULT ARRAY['xz'], 
45              ALTER COLUMN byhash SET DEFAULT TRUE 
46          """ 
47          ) 
48   
49          c.execute("UPDATE config SET value = '122' WHERE name = 'db_revision'") 
50          self.db.commit() 
51   
52      except psycopg2.ProgrammingError as msg: 
53          self.db.rollback() 
54          raise DBUpdateError( 
55              "Unable to apply sick update 122, rollback issued. Error message : %s" 
56              % (str(msg)) 
57          ) 
58