NEW Add fields into llx_cronjobs to be able to use job table to queue

one shot jobs.

htdocs/install/mysql/migration/3.8.0-3.9.0.sql

@@ -55,6 +55,11 @@ ALTER TABLE llx_societe_commerciaux ADD COLUMN import_key varchar(14) AFTER fk_u
 
 ALTER TABLE llx_categorie ADD COLUMN color varchar(8);
 
+ALTER TABLE llx_cronjob ADD COLUMN maxrun     integer NOT NULL DEFAULT 0;
+ALTER TABLE llx_cronjob ADD COLUMN autodelete integer DEFAULT 0;
+ALTER TABLE llx_cronjob ADD COLUMN fk_mailing integer DEFAULT NULL;
+
+
 create table llx_overwrite_trans
 (
   rowid           integer AUTO_INCREMENT PRIMARY KEY,

htdocs/install/mysql/tables/llx_cronjob.sql

@@ -42,11 +42,16 @@ CREATE TABLE llx_cronjob
   	lastoutput      text,
   	unitfrequency	integer NOT NULL DEFAULT 0,
   	frequency 		integer NOT NULL DEFAULT 0,
-	nbrun			integer,
+    maxrun          integer NOT NULL DEFAULT 0,		-- set this to 1 for a job queued for on run only
+	nbrun			integer,						-- nb of run complete (failed or not)
+    autodelete      integer DEFAULT 0,				-- Job can be delete once finished
   	status 			integer NOT NULL DEFAULT 1,
   	fk_user_author 	integer DEFAULT NULL,
   	fk_user_mod 	integer DEFAULT NULL,
+    fk_mailing      integer DEFAULT NULL,		-- id of emailing if job was queued to send mass emailing
 	note 			text,
 	libname			varchar(255),
 	entity			integer DEFAULT 0
 )ENGINE=innodb;
+
+