update52: Add version_check table.

Signed-off-by: Ansgar Burchardt <ansgar@debian.org>

diff --git a/dak/dakdb/update52.py b/dak/dakdb/update52.py
new file mode 100755 (executable)
index 0000000..d38ee26
--- /dev/null
+++ b/dak/dakdb/update52.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+# coding=utf8
+
+"""
+Add table for version checks.
+
+@contact: Debian FTP Master <ftpmaster@debian.org>
+@copyright: 2011 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 table for version checks.
+    """
+    print __doc__
+    try:
+        cnf = Config()
+        c = self.db.cursor()
+
+        c.execute("""
+            CREATE TABLE version_check (
+                suite INTEGER NOT NULL REFERENCES suite(id),
+                "check" TEXT NOT NULL CHECK ("check" IN ('Enhances', 'MustBeNewerThan', 'MustBeOlderThan')),
+                reference INTEGER NOT NULL REFERENCES suite(id),
+                PRIMARY KEY(suite, "check", reference)
+            )""")
+
+        c.execute("SELECT suite_name, id FROM suite")
+        suites = c.fetchall()
+        suite_id_map = {}
+        for suite_name, suite_id in suites:
+            suite_id_map[suite_name] = suite_id
+
+        for check in ["Enhances", "MustBeNewerThan", "MustBeOlderThan"]:
+           for suite_name in suite_id_map.keys():
+              for reference_name in [ s.lower() for s in cnf.ValueList("Suite::%s::VersionChecks::%s" % (suite_name, check)) ]:
+                   c.execute("""INSERT INTO version_check (suite, "check", reference) VALUES (%s, %s, %s)""", (suite_id_map[suite_name], check, suite_id_map[reference_name]))
+
+        c.execute("UPDATE config SET value = '52' WHERE name = 'db_revision'")
+        self.db.commit()
+
+    except psycopg2.ProgrammingError, msg:
+        self.db.rollback()
+        raise DBUpdateError, 'Unable to apply sick update 52, rollback issued. Error message : %s' % (str(msg))