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# frozen_string_literal: true
class AddIncidentManagementOnCallParticipants < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
PARTICIPANT_ROTATION_INDEX_NAME = 'index_inc_mgmnt_oncall_participants_on_oncall_rotation_id'
PARTICIPANT_USER_INDEX_NAME = 'index_inc_mgmnt_oncall_participants_on_oncall_user_id'
UNIQUE_INDEX_NAME = 'index_inc_mgmnt_oncall_participants_on_user_id_and_rotation_id'
disable_ddl_transaction!
def up
unless table_exists?(:incident_management_oncall_participants)
with_lock_retries do
create_table :incident_management_oncall_participants do |t|
t.references :oncall_rotation, index: false, null: false, foreign_key: { to_table: :incident_management_oncall_rotations, on_delete: :cascade }
t.references :user, index: false, null: false, foreign_key: { on_delete: :cascade }
t.integer :color_palette, limit: 2, null: false
t.integer :color_weight, limit: 2, null: false
t.index :user_id, name: PARTICIPANT_USER_INDEX_NAME
t.index :oncall_rotation_id, name: PARTICIPANT_ROTATION_INDEX_NAME
t.index [:user_id, :oncall_rotation_id], unique: true, name: UNIQUE_INDEX_NAME
end
end
end
end
def down
drop_table :incident_management_oncall_participants
end
end
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