1""" 

2Remove 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 

25import psycopg2 

26from daklib.dak_exceptions import DBUpdateError 

27from daklib.config import Config 

28 

29################################################################################ 

30 

31 

32def do_update(self): 

33 """ 

34 Remove redundant indices 

35 """ 

36 print(__doc__) 

37 try: 

38 cnf = Config() 

39 

40 c = self.db.cursor() 

41 

42 indices = [ 

43 # table 'binaries': 

44 "binaries_id", # (id). already covered by binaries_pkey (id) 

45 "binaries_by_package", # (id, package). already covered by binaries_pkey (id) 

46 "binaries_files", # (file). already covered by binaries_file_key (file) 

47 "jjt5", # (id, source). already covered by binaries_pkey (id) 

48 # table 'changes': 

49 "changesin_queue_approved_for", # (in_queue, approved_for). already covered by changesin_queue (in_queue) 

50 # table 'files': 

51 "jjt", # (id). already covered by files_pkey (id) 

52 "jjt3", # (id, location). already covered by files_pkey (id) 

53 # table 'override': 

54 "override_suite_key", # (suite, component, package, type). same as override_pkey 

55 # table 'suite': 

56 "suite_hash", # (suite_name). already covered by suite_name_unique (suite_name) 

57 # table 'suite_architectures': 

58 "suite_architectures_suite_key", # (suite, architecture). same as suite_architectures_pkey 

59 ] 

60 for index in indices: 

61 c.execute("DROP INDEX IF EXISTS {0}".format(index)) 

62 

63 c.execute("UPDATE config SET value = '72' WHERE name = 'db_revision'") 

64 self.db.commit() 

65 

66 except psycopg2.ProgrammingError as msg: 

67 self.db.rollback() 

68 raise DBUpdateError('Unable to apply sick update 72, rollback issued. Error message : %s' % (str(msg)))