CREATE TABLE SyncLog
(
   "event_id"           integer NOT NULL DEFAULT autoincrement ,
   "event_time"         timestamp NULL,
   "event_name"         varchar(128) NOT NULL ,
   "subs"               varchar(1024) NULL ,
    PRIMARY KEY ("event_id")
)

CREATE PROCEDURE sp_hook_dbmlsync_upload_begin ()
BEGIN
    
    DECLARE subs_list VARCHAR(1024);

-- build a list of subscriptions being synchronized
    SELECT LIST(value) INTO subs_list
     FROM #hook_dict
     WHERE name LIKE 'subscription_%';

-- log the event
    INSERT INTO SyncLog(event_time, event_name, subs)
    VALUES( CURRENT TIMESTAMP, 'sp_hook_dbmlsync_upload_begin', subs_list );
END