alter table oc_gestion_facture
add column document_generated_date DATE DEFAULT NULL,
add column document_sent_date DATE DEFAULT NULL;
 
create table if not exists oc_gestion_recap_facture_state (
	id INT PRIMARY KEY AUTO_INCREMENT NOT NULL,
	fk_client_id INT,
	fk_client_group_facturation_id INT,
	month INT,
	year INT,
	document_generated_date DATE DEFAULT NULL,
	document_sent_date DATE DEFAULT NULL
);