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authorStan Hu <stanhu@gmail.com>2017-01-30 12:50:47 -0800
committerStan Hu <stanhu@gmail.com>2017-01-30 12:52:25 -0800
commitfff098e4bd68bbd1ebc59720e05da887ba19f9f9 (patch)
treed0f2d4332abec688641fb5201e5ea2aae727e83e
parent3995baad6aeabfaba1ae5e9f867ed66ce3e6038a (diff)
downloadgitlab-ce-sh-add-project-id-index-project-authorizations.tar.gz
Add project ID index to `project_authorizations` table to optimize queriessh-add-project-id-index-project-authorizations
As described in #27443, the `project_authorizations` table is often used to retrieve all team members of this project. This can lead to a number of slow queries impacting load times. This MR adds an index for just `project_id`. Closes #27443
-rw-r--r--changelogs/unreleased/sh-add-project-id-index-project-authorizations.yml4
-rw-r--r--db/migrate/20170130204620_add_index_to_project_authorizations.rb11
-rw-r--r--db/schema.rb3
3 files changed, 17 insertions, 1 deletions
diff --git a/changelogs/unreleased/sh-add-project-id-index-project-authorizations.yml b/changelogs/unreleased/sh-add-project-id-index-project-authorizations.yml
new file mode 100644
index 00000000000..e69fcd2aa63
--- /dev/null
+++ b/changelogs/unreleased/sh-add-project-id-index-project-authorizations.yml
@@ -0,0 +1,4 @@
+---
+title: Add project ID index to `project_authorizations` table to optimize queries
+merge_request:
+author:
diff --git a/db/migrate/20170130204620_add_index_to_project_authorizations.rb b/db/migrate/20170130204620_add_index_to_project_authorizations.rb
new file mode 100644
index 00000000000..e9a0aee4d6a
--- /dev/null
+++ b/db/migrate/20170130204620_add_index_to_project_authorizations.rb
@@ -0,0 +1,11 @@
+class AddIndexToProjectAuthorizations < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+
+ DOWNTIME = false
+
+ disable_ddl_transaction!
+
+ def up
+ add_concurrent_index(:project_authorizations, :project_id)
+ end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3c836db27fc..5efb4f6595c 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
#
# It's strongly recommended that you check this file into your version control system.
-ActiveRecord::Schema.define(version: 20170121130655) do
+ActiveRecord::Schema.define(version: 20170130204620) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@@ -874,6 +874,7 @@ ActiveRecord::Schema.define(version: 20170121130655) do
t.integer "access_level"
end
+ add_index "project_authorizations", ["project_id"], name: "index_project_authorizations_on_project_id", using: :btree
add_index "project_authorizations", ["user_id", "project_id", "access_level"], name: "index_project_authorizations_on_user_id_project_id_access_level", unique: true, using: :btree
create_table "project_features", force: :cascade do |t|