diff options
| -rw-r--r-- | changelogs/unreleased/sh-add-index-to-system-note-metadata.yml | 4 | ||||
| -rw-r--r-- | db/migrate/20170419001229_add_index_to_system_note_metadata.rb | 17 | ||||
| -rw-r--r-- | db/schema.rb | 4 |
3 files changed, 24 insertions, 1 deletions
diff --git a/changelogs/unreleased/sh-add-index-to-system-note-metadata.yml b/changelogs/unreleased/sh-add-index-to-system-note-metadata.yml new file mode 100644 index 00000000000..6b226c53f30 --- /dev/null +++ b/changelogs/unreleased/sh-add-index-to-system-note-metadata.yml @@ -0,0 +1,4 @@ +--- +title: Add unique index for notes_id to system note metadata table +merge_request: +author: diff --git a/db/migrate/20170419001229_add_index_to_system_note_metadata.rb b/db/migrate/20170419001229_add_index_to_system_note_metadata.rb new file mode 100644 index 00000000000..c68fd920fff --- /dev/null +++ b/db/migrate/20170419001229_add_index_to_system_note_metadata.rb @@ -0,0 +1,17 @@ +class AddIndexToSystemNoteMetadata < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + # Set this constant to true if this migration requires downtime. + DOWNTIME = false + + disable_ddl_transaction! + + def up + # MySQL automatically creates an index on a foreign-key constraint; PostgreSQL does not + add_concurrent_index :system_note_metadata, :note_id, unique: true if Gitlab::Database.postgresql? + end + + def down + remove_concurrent_index :system_note_metadata, :note_id, unique: true if Gitlab::Database.postgresql? + end +end diff --git a/db/schema.rb b/db/schema.rb index d46b7564958..f89e9adb7d6 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: 20170418103908) do +ActiveRecord::Schema.define(version: 20170419001229) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" @@ -1142,6 +1142,8 @@ ActiveRecord::Schema.define(version: 20170418103908) do t.datetime "updated_at", null: false end + add_index "system_note_metadata", ["note_id"], name: "index_system_note_metadata_on_note_id", unique: true, using: :btree + create_table "taggings", force: :cascade do |t| t.integer "tag_id" t.integer "taggable_id" |