Why this statement doesn't work?

Question

I have two table job and job_status,I use Page Process try to insert records to job_status, but the select query doesn't work, it display all the job in job table didn't filtered out the job matching the query, do someone know why? Any suggestion will be appreciated!
DECLARE
BEGIN
FOR x IN (
SELECT
JOB_SEQ,
PRIMARY
FROM JOB
WHERE ((RUN_DATES like '%'||:P6_WDAY||'%')
or (RUN_DATES like '%'||:P6_DD ||'%')
or (RUN_DATES like ''|| 0 ||'')))
LOOP
INSERT INTO JOB_STATUS(JOB_SEQ, OPERATOR,RUN_DATE) VALUES
(x.JOB_SEQ,x.PRIMARY,to_date(:P6_DATE,'YYYYMMDD'));
END LOOP;
END;

Answer 1

ops wrong typed
try
DECLARE
BEGIN
FOR x IN (
SELECT
JOB_SEQ,
PRIMARY
FROM JOB WHERE
((RUN_DATES like CHR(39)||'%'||:P6_WDAY||'%'||CHR(39))
or (RUN_DATES like CHR(39)||'%'||:P6_DD ||'%'||CHR(39))
or (RUN_DATES like ''|| 0 ||'')))
LOOP
INSERT INTO JOB_STATUS(JOB_SEQ, OPERATOR,RUN_DATE) VALUES
(x.JOB_SEQ,x.PRIMARY,to_date(:P6_DATE,'YYYYMMDD'));
END LOOP;
END;