diff options
| author | Grzegorz Bizon <grzesiek.bizon@gmail.com> | 2017-07-13 13:25:11 +0200 |
|---|---|---|
| committer | Grzegorz Bizon <grzesiek.bizon@gmail.com> | 2017-07-18 10:51:19 +0200 |
| commit | 5cd6f8c76ec74c85e6ff6dae9736b27baeb55988 (patch) | |
| tree | 4606388025752bdeb9312293749124a185ef3719 /db | |
| parent | 9e5c8e5d7f81b88998c8def2f4a20d54eeee49d0 (diff) | |
| download | gitlab-ce-5cd6f8c76ec74c85e6ff6dae9736b27baeb55988.tar.gz | |
Add a foreign key to `merge_requests.head_pipeline_id`
Diffstat (limited to 'db')
| -rw-r--r-- | db/migrate/20170713104829_add_foreign_key_to_merge_requests.rb | 28 | ||||
| -rw-r--r-- | db/schema.rb | 3 |
2 files changed, 30 insertions, 1 deletions
diff --git a/db/migrate/20170713104829_add_foreign_key_to_merge_requests.rb b/db/migrate/20170713104829_add_foreign_key_to_merge_requests.rb new file mode 100644 index 00000000000..78ff7527967 --- /dev/null +++ b/db/migrate/20170713104829_add_foreign_key_to_merge_requests.rb @@ -0,0 +1,28 @@ +class AddForeignKeyToMergeRequests < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + disable_ddl_transaction! + + def up + unless foreign_key_exists?(:merge_requests, :head_pipeline_id) + add_concurrent_foreign_key(:merge_requests, :ci_pipelines, + column: :head_pipeline_id, on_delete: :nullify) + end + end + + def down + if foreign_key_exists?(:merge_requests, :head_pipeline_id) + remove_foreign_key(:merge_requests, column: :head_pipeline_id) + end + end + + private + + def foreign_key_exists?(table, column) + foreign_keys(table).any? do |key| + key.options[:column] == column.to_s + end + end +end diff --git a/db/schema.rb b/db/schema.rb index 5264fc99557..9c8c64fe2d0 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: 20170707184244) do +ActiveRecord::Schema.define(version: 20170713104829) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" @@ -1615,6 +1615,7 @@ ActiveRecord::Schema.define(version: 20170707184244) do add_foreign_key "merge_request_diffs", "merge_requests", name: "fk_8483f3258f", on_delete: :cascade add_foreign_key "merge_request_metrics", "ci_pipelines", column: "pipeline_id", on_delete: :cascade add_foreign_key "merge_request_metrics", "merge_requests", on_delete: :cascade + add_foreign_key "merge_requests", "ci_pipelines", column: "head_pipeline_id", name: "fk_fd82eae0b9", on_delete: :nullify add_foreign_key "merge_requests", "projects", column: "target_project_id", name: "fk_a6963e8447", on_delete: :cascade add_foreign_key "merge_requests_closing_issues", "issues", on_delete: :cascade add_foreign_key "merge_requests_closing_issues", "merge_requests", on_delete: :cascade |