framework/resources/Functional/joins/left_outer/4way_on_c_varchar_drill5851.sql

select DISTINCT
	COALESCE(j1.c_varchar || j3.c_varchar || j4.c_varchar, 'EMPTY') as concatentated_string
from
        j1 LEFT OUTER JOIN `j_empty.parquet` ON
        (j1.c_varchar = `j_empty.parquet`.c_varchar)
	   LEFT OUTER JOIN j3 ON
	(j1.c_varchar = j3.c_varchar)
	   LEFT OUTER JOIN j4 ON
	(j1.c_varchar = j4.c_varchar)
where
	j1.c_varchar IS NOT NULL
;