Parameters in bind function

Hello everyone , I am trying to understand the MAL statements for joining three tables . On which I came across bind function in MAL statement . I have a table lineitem with l_quantity in it . So what does the following statements means 1 ) ( X_94:bat[:oid,:oid] ,X_95:bat[:oid,:int] ) := sql.bind(X_4,"sys","lineitem","l_quantity",2,0,4); 2 ) (X_96:bat[:oid,:oid] ,X_97:bat[:oid,:int] ) := sql.bind(X_4,"sys","lineitem","l_quantity",2,1,4); what does the 5 th and 6 th argument means ?