Add database fields to override compression methods.

dak/dakdb/update101.py

+#!/usr/bin/env python
+# coding=utf8
+
+"""
+Add column to store compression type of 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):
+    """
+    Add column to store compression type of indices
+    """
+    print __doc__
+    try:
+        c = self.db.cursor()
+
+        c.execute("""
+          ALTER TABLE suite
+            ADD COLUMN indices_compression TEXT[] DEFAULT ARRAY['gzip', 'bzip2'],
+            ADD COLUMN i18n_compression TEXT[] DEFAULT ARRAY['bzip2']
+        """)
+
+        c.execute("""
+          ALTER TABLE suite
+            ALTER COLUMN indices_compression DROP DEFAULT,
+            ALTER COLUMN i18n_compression DROP DEFAULT
+        """)
+
+        c.execute("UPDATE config SET value = '101' WHERE name = 'db_revision'")
+        self.db.commit()
+
+    except psycopg2.ProgrammingError as msg:
+        self.db.rollback()
+        raise DBUpdateError('Unable to apply sick update 101, rollback issued. Error message : %s' % (str(msg)))