SONAR-2037 The index on 'measure_data.snapshot_id' is needed for DB performance

1 files changed, 30 insertions, 0 deletions

diff --git a/sonar-server/src/main/webapp/WEB-INF/db/migrate/167_add_index_to_measure_data_snapshot.rb b/sonar-server/src/main/webapp/WEB-INF/db/migrate/167_add_index_to_measure_data_snapshot.rb
new file mode 100644
index 00000000000..3eb65808165
--- /dev/null
+++ b/sonar-server/src/main/webapp/WEB-INF/db/migrate/167_add_index_to_measure_data_snapshot.rb
@@ -0,0 +1,30 @@
+#
+# Sonar, entreprise quality control tool.
+# Copyright (C) 2009 SonarSource SA
+# mailto:contact AT sonarsource DOT com
+#
+# Sonar is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 3 of the License, or (at your option) any later version.
+#
+# Sonar 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with Sonar; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
+#
+
+#
+# Sonar 2.5
+#
+class AddIndexToMeasureDataSnapshot < ActiveRecord::Migration
+
+  def self.up
+    add_index :measure_data, :snapshot_id, :name => 'm_data_sid'
+  end
+
+end