Commit b9657ed1 authored by Jan Provaznik's avatar Jan Provaznik Committed by Andreas Brandl

Add index on group_id column concurrently

This fixes previously added migration which caused timeouts on
big events table.
parent eb2afea2
# frozen_string_literal: true
class AddGroupColumnToEvents < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
def change
add_reference :events, :group, index: true, foreign_key: { to_table: :namespaces, on_delete: :cascade }
disable_ddl_transaction!
def up
add_column(:events, :group_id, :bigint) unless column_exists?(:events, :group_id)
add_concurrent_index(:events, :group_id)
add_concurrent_foreign_key(:events, :namespaces, column: :group_id, on_delete: :cascade)
end
def down
remove_column(:events, :group_id) if column_exists?(:events, :group_id)
end
end
......@@ -3864,7 +3864,7 @@ ActiveRecord::Schema.define(version: 2019_09_05_223900) do
add_foreign_key "epics", "users", column: "assignee_id", name: "fk_dccd3f98fc", on_delete: :nullify
add_foreign_key "epics", "users", column: "author_id", name: "fk_3654b61b03", on_delete: :cascade
add_foreign_key "epics", "users", column: "closed_by_id", name: "fk_aa5798e761", on_delete: :nullify
add_foreign_key "events", "namespaces", column: "group_id", on_delete: :cascade
add_foreign_key "events", "namespaces", column: "group_id", name: "fk_61fbf6ca48", on_delete: :cascade
add_foreign_key "events", "projects", on_delete: :cascade
add_foreign_key "events", "users", column: "author_id", name: "fk_edfd187b6f", on_delete: :cascade
add_foreign_key "external_pull_requests", "projects", on_delete: :cascade
......
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