framework/resources/Functional/joins/nulleqjoin/innrjn_flt.q

SELECT t1.col_flt , t2.col_flt FROM typeall_l t1 INNER JOIN  typeall_r t2 ON  t1.col_flt = t2.col_flt OR ( t1.col_flt IS NULL AND t2.col_flt IS NULL );