Remove redundant indices from database.

dak/dakdb/update72.py

+#!/usr/bin/env python
+# coding=utf8
+
+"""
+Remove redundant indices
+
+@contact: Debian FTP Master <ftpmaster@debian.org>
+@copyright: 2012 Ansgar Burchardt <ansgar@debian.org>
+@license: GNU General Public License version 2 or later
+"""
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+################################################################################
+
+import psycopg2
+from daklib.dak_exceptions import DBUpdateError
+from daklib.config import Config
+
+################################################################################
+def do_update(self):
+    """
+    Remove redundant indices
+    """
+    print __doc__
+    try:
+        cnf = Config()
+
+        c = self.db.cursor()
+
+        indices = [
+            # table 'binaries':
+            "binaries_id", # (id). already covered by binaries_pkey (id)
+            "binaries_by_package", # (id, package). already covered by binaries_pkey (id)
+            "binaries_files", # (file). already covered by binaries_file_key (file)
+            "jjt5", # (id, source). already covered by binaries_pkey (id)
+            # table 'changes':
+            "changesin_queue_approved_for", # (in_queue, approved_for). already covered by changesin_queue (in_queue)
+            # table 'files':
+            "jjt",  # (id). already covered by files_pkey (id)
+            "jjt3", # (id, location). already covered by files_pkey (id)
+            # table 'override':
+            "override_suite_key", # (suite, component, package, type). same as override_pkey
+            # table 'suite':
+            "suite_hash", # (suite_name). already covered by suite_name_unique (suite_name)
+            # table 'suite_architectures':
+            "suite_architectures_suite_key", # (suite, architecture). same as suite_architectures_pkey
+        ]
+        for index in indices:
+            c.execute("DROP INDEX IF EXISTS {0}".format(index))
+
+        c.execute("UPDATE config SET value = '72' WHERE name = 'db_revision'")
+        self.db.commit()
+
+    except psycopg2.ProgrammingError as msg:
+        self.db.rollback()
+        raise DBUpdateError('Unable to apply sick update 72, rollback issued. Error message : %s' % (str(msg)))

dak/update_db.py

@@ -46,7 +46,7 @@ from daklib.daklog import Logger
 ################################################################################
 
 Cnf = None
-required_database_schema = 71
+required_database_schema = 72
 
 ################################################################################