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| author | Yorick Peterse <yorickpeterse@gmail.com> | 2016-06-08 12:27:31 +0200 |
|---|---|---|
| committer | Yorick Peterse <yorickpeterse@gmail.com> | 2016-06-08 16:20:42 +0200 |
| commit | 3883bc05d26d930689115c6b5d8750c594420615 (patch) | |
| tree | 2f4f0be9f0c6f1bdef01def9b227c30b5e416e0a /db/schema.rb | |
| parent | 53bf9da4b4a99b2801633efebf5ec07a720e41f7 (diff) | |
| download | gitlab-ce-3883bc05d26d930689115c6b5d8750c594420615.tar.gz | |
Remove notification settings in batches
This improves performance of the duplicate notification settings
migration by removing duplicates in batches instead of using one big
"DELETE FROM" query.
The previous query would locally run over 45 minutes without even
finishing. This new setup finished in a matter of seconds.
Fixes #18289
Diffstat (limited to 'db/schema.rb')
| -rw-r--r-- | db/schema.rb | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/db/schema.rb b/db/schema.rb index 69e37470de0..00829d63b66 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -11,7 +11,8 @@ # # It's strongly recommended that you check this file into your version control system. -ActiveRecord::Schema.define(version: 20160530150109) do +ActiveRecord::Schema.define(version: 20160603182247) do + # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" enable_extension "pg_trgm" @@ -676,6 +677,7 @@ ActiveRecord::Schema.define(version: 20160530150109) do end add_index "notification_settings", ["source_id", "source_type"], name: "index_notification_settings_on_source_id_and_source_type", using: :btree + add_index "notification_settings", ["user_id", "source_id", "source_type"], name: "index_notifications_on_user_id_and_source_id_and_source_type", unique: true, using: :btree add_index "notification_settings", ["user_id"], name: "index_notification_settings_on_user_id", using: :btree create_table "oauth_access_grants", force: :cascade do |t| |