From 0156b10c74c121497951899f37401535055e2e14 Mon Sep 17 00:00:00 2001 From: Torsten Werner Date: Thu, 18 Aug 2011 17:31:11 +0000 Subject: [PATCH] Add 2 partial indexes to db to speed up dak rm. Signed-off-by: Torsten Werner --- dak/dakdb/update66.py | 60 +++++++++++++++++++++++++++++++++++++++++++ dak/update_db.py | 2 +- daklib/dbconn.py | 3 +++ 3 files changed, 64 insertions(+), 1 deletion(-) create mode 100755 dak/dakdb/update66.py diff --git a/dak/dakdb/update66.py b/dak/dakdb/update66.py new file mode 100755 index 00000000..af61c04a --- /dev/null +++ b/dak/dakdb/update66.py @@ -0,0 +1,60 @@ +#!/usr/bin/env python +# coding=utf8 + +""" +Add 2 partial indexes to speed up dak rm. + +@contact: Debian FTP Master +@copyright: 2011 Torsten Werner +@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 2 partial indexes to speed up dak rm. + """ + print __doc__ + try: + cnf = Config() + + c = self.db.cursor() + + # partial index for Depends + c.execute("SELECT key_id FROM metadata_keys WHERE key = 'Depends'") + key = c.fetchone()[0] + c.execute("""CREATE INDEX binaries_metadata_depends + ON binaries_metadata (bin_id) WHERE key_id = %d""" % key) + + # partial index for Provides + c.execute("SELECT key_id FROM metadata_keys WHERE key = 'Provides'") + key = c.fetchone()[0] + c.execute("""CREATE INDEX binaries_metadata_provides + ON binaries_metadata (bin_id) WHERE key_id = %d""" % key) + + c.execute("UPDATE config SET value = '66' WHERE name = 'db_revision'") + self.db.commit() + + except psycopg2.ProgrammingError, msg: + self.db.rollback() + raise DBUpdateError, 'Unable to apply sick update 66, rollback issued. Error message : %s' % (str(msg)) diff --git a/dak/update_db.py b/dak/update_db.py index 0245b957..0f1e7a37 100755 --- a/dak/update_db.py +++ b/dak/update_db.py @@ -46,7 +46,7 @@ from daklib.daklog import Logger ################################################################################ Cnf = None -required_database_schema = 65 +required_database_schema = 66 ################################################################################ diff --git a/daklib/dbconn.py b/daklib/dbconn.py index 1fa7974f..63730187 100755 --- a/daklib/dbconn.py +++ b/daklib/dbconn.py @@ -81,6 +81,9 @@ import warnings warnings.filterwarnings('ignore', \ "The SQLAlchemy PostgreSQL dialect has been renamed from 'postgres' to 'postgresql'.*", \ SADeprecationWarning) +warnings.filterwarnings('ignore', \ + "Predicate of partial index .* ignored during reflection", \ + SAWarning) ################################################################################ -- 2.39.5