Create table to store on-call schedules

db/migrate/20201111115414_create_incident_management_oncall_schedules.rb

+# frozen_string_literal: true
+
+class CreateIncidentManagementOncallSchedules < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      unless table_exists?(:incident_management_oncall_schedules)
+        create_table :incident_management_oncall_schedules do |t|
+          t.timestamps_with_timezone
+          t.references :project, index: true, null: false, foreign_key: { on_delete: :cascade }
+          t.integer :iid, null: false
+          t.text :name, null: false
+          t.text :description
+          t.text :timezone
+
+          t.index %w(project_id iid), name: 'index_im_oncall_schedules_on_project_id_and_iid', unique: true, using: :btree
+        end
+      end
+    end
+
+    add_text_limit :incident_management_oncall_schedules, :name, 200
+    add_text_limit :incident_management_oncall_schedules, :description, 1000
+    add_text_limit :incident_management_oncall_schedules, :timezone, 100
+  end
+
+  def down
+    with_lock_retries do
+      drop_table :incident_management_oncall_schedules
+    end
+  end
+end

db/schema_migrations/20201111115414

+0efb2dcfc65da007a67a15857d0a283dad301650f999a4227aa54ea00dca24bf
\ No newline at end of file

db/structure.sql

@@ -12858,6 +12858,29 @@ CREATE SEQUENCE import_failures_id_seq
 
 ALTER SEQUENCE import_failures_id_seq OWNED BY import_failures.id;
 
+CREATE TABLE incident_management_oncall_schedules (
+    id bigint NOT NULL,
+    created_at timestamp with time zone NOT NULL,
+    updated_at timestamp with time zone NOT NULL,
+    project_id bigint NOT NULL,
+    iid integer NOT NULL,
+    name text NOT NULL,
+    description text,
+    timezone text,
+    CONSTRAINT check_7ed1fd5aa7 CHECK ((char_length(description) <= 1000)),
+    CONSTRAINT check_cc77cbb103 CHECK ((char_length(timezone) <= 100)),
+    CONSTRAINT check_e6ef43a664 CHECK ((char_length(name) <= 200))
+);
+
+CREATE SEQUENCE incident_management_oncall_schedules_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER SEQUENCE incident_management_oncall_schedules_id_seq OWNED BY incident_management_oncall_schedules.id;
+
 CREATE TABLE index_statuses (
     id integer NOT NULL,
     project_id integer NOT NULL,
@@ -18011,6 +18034,8 @@ ALTER TABLE ONLY import_export_uploads ALTER COLUMN id SET DEFAULT nextval('impo
 
 ALTER TABLE ONLY import_failures ALTER COLUMN id SET DEFAULT nextval('import_failures_id_seq'::regclass);
 
+ALTER TABLE ONLY incident_management_oncall_schedules ALTER COLUMN id SET DEFAULT nextval('incident_management_oncall_schedules_id_seq'::regclass);
+
 ALTER TABLE ONLY index_statuses ALTER COLUMN id SET DEFAULT nextval('index_statuses_id_seq'::regclass);
 
 ALTER TABLE ONLY insights ALTER COLUMN id SET DEFAULT nextval('insights_id_seq'::regclass);
@@ -19193,6 +19218,9 @@ ALTER TABLE ONLY import_export_uploads
 ALTER TABLE ONLY import_failures
     ADD CONSTRAINT import_failures_pkey PRIMARY KEY (id);
 
+ALTER TABLE ONLY incident_management_oncall_schedules
+    ADD CONSTRAINT incident_management_oncall_schedules_pkey PRIMARY KEY (id);
+
 ALTER TABLE ONLY index_statuses
     ADD CONSTRAINT index_statuses_pkey PRIMARY KEY (id);
 
@@ -21070,6 +21098,8 @@ CREATE INDEX index_identities_on_saml_provider_id ON identities USING btree (sam
 
 CREATE INDEX index_identities_on_user_id ON identities USING btree (user_id);
 
+CREATE UNIQUE INDEX index_im_oncall_schedules_on_project_id_and_iid ON incident_management_oncall_schedules USING btree (project_id, iid);
+
 CREATE UNIQUE INDEX index_import_export_uploads_on_group_id ON import_export_uploads USING btree (group_id) WHERE (group_id IS NOT NULL);
 
 CREATE INDEX index_import_export_uploads_on_project_id ON import_export_uploads USING btree (project_id);
@@ -21086,6 +21116,8 @@ CREATE INDEX index_import_failures_on_project_id_not_null ON import_failures USI
 
 CREATE INDEX index_imported_projects_on_import_type_creator_id_created_at ON projects USING btree (import_type, creator_id, created_at) WHERE (import_type IS NOT NULL);
 
+CREATE INDEX index_incident_management_oncall_schedules_on_project_id ON incident_management_oncall_schedules USING btree (project_id);
+
 CREATE UNIQUE INDEX index_index_statuses_on_project_id ON index_statuses USING btree (project_id);
 
 CREATE INDEX index_insights_on_namespace_id ON insights USING btree (namespace_id);
@@ -23556,6 +23588,9 @@ ALTER TABLE ONLY open_project_tracker_data
 ALTER TABLE ONLY gpg_signatures
     ADD CONSTRAINT fk_rails_19d4f1c6f9 FOREIGN KEY (gpg_key_subkey_id) REFERENCES gpg_key_subkeys(id) ON DELETE SET NULL;
 
+ALTER TABLE ONLY incident_management_oncall_schedules
+    ADD CONSTRAINT fk_rails_19e83fdd65 FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY vulnerability_user_mentions
     ADD CONSTRAINT fk_rails_1a41c485cd FOREIGN KEY (vulnerability_id) REFERENCES vulnerabilities(id) ON DELETE CASCADE;