From: shihanzhang <shihanzhang@huawei.com>
Date: Tue, 31 Mar 2015 08:14:12 +0000 (+0800)
Subject: Add index for port
X-Git-Url: https://review.fuel-infra.org/gitweb?a=commitdiff_plain;h=f93007952e40a7ae7cb2d4f3588059acf42ea209;p=openstack-build%2Fneutron-build.git

Add index for port

This patch will speed up SELECTs Port with filters by
'network_id + device_owner' and 'network_id + mac_address'.

Closes-bug: #1421089

Change-Id: Ied90b6304df971a6049871f65df3e1aaee624647
---

diff --git a/neutron/db/migration/alembic_migrations/versions/20c469a5f920_add_index_for_port.py b/neutron/db/migration/alembic_migrations/versions/20c469a5f920_add_index_for_port.py
new file mode 100644
index 000000000..00204624a
--- /dev/null
+++ b/neutron/db/migration/alembic_migrations/versions/20c469a5f920_add_index_for_port.py
@@ -0,0 +1,35 @@
+# Copyright 2015 OpenStack Foundation
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+#
+
+"""add index for port
+
+Revision ID: 20c469a5f920
+Revises: 28a09af858a8
+Create Date: 2015-04-01 04:12:49.898443
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '20c469a5f920'
+down_revision = '28a09af858a8'
+
+from alembic import op
+
+
+def upgrade():
+    op.create_index(op.f('ix_ports_network_id_device_owner'),
+                    'ports', ['network_id', 'device_owner'], unique=False)
+    op.create_index(op.f('ix_ports_network_id_mac_address'),
+                    'ports', ['network_id', 'mac_address'], unique=False)
diff --git a/neutron/db/migration/alembic_migrations/versions/HEAD b/neutron/db/migration/alembic_migrations/versions/HEAD
index 619b47345..d9e945980 100644
--- a/neutron/db/migration/alembic_migrations/versions/HEAD
+++ b/neutron/db/migration/alembic_migrations/versions/HEAD
@@ -1 +1 @@
-28a09af858a8
+20c469a5f920
diff --git a/neutron/db/models_v2.py b/neutron/db/models_v2.py
index eb77ede25..5067f8ae3 100644
--- a/neutron/db/models_v2.py
+++ b/neutron/db/models_v2.py
@@ -140,6 +140,10 @@ class Port(model_base.BASEV2, HasId, HasTenant):
     device_owner = sa.Column(sa.String(attr.DEVICE_OWNER_MAX_LEN),
                              nullable=False)
     __table_args__ = (
+        sa.Index(
+            'ix_ports_network_id_mac_address', 'network_id', 'mac_address'),
+        sa.Index(
+            'ix_ports_network_id_device_owner', 'network_id', 'device_owner'),
         sa.UniqueConstraint(
             network_id, mac_address,
             name='uniq_ports0network_id0mac_address'),