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# frozen_string_literal: true
class CreateIncidentManagementTimelineEventTagLinks < Gitlab::Database::Migration[2.0]
enable_lock_retries!
def up
create_table :incident_management_timeline_event_tag_links do |t|
t.references :timeline_event,
null: false,
index: { name: 'index_im_timeline_event_id' },
foreign_key: { to_table: :incident_management_timeline_events, column: :timeline_event_id, on_delete: :cascade }
t.references :timeline_event_tag,
null: false,
index: false,
foreign_key: {
to_table: :incident_management_timeline_event_tags,
column: :timeline_event_tag_id,
on_delete: :cascade
}
t.index [:timeline_event_tag_id, :timeline_event_id],
unique: true,
name: 'index_im_timeline_event_tags_on_tag_id_and_event_id'
t.datetime_with_timezone :created_at, null: false
end
end
def down
drop_table :incident_management_timeline_event_tag_links
end
end
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