You can use 'drop' in your schema file at column level:
Code: Select all
record
{final_delim=none, record_delim_string='~~~~', delim=none, charset='UTF8'}
(
BUSINESS_UNIT:ustring[max=5] {drop};
JOURNAL_ID:ustring[max=10];
JOURNAL_DATE:timestamp;
IU_ANCHOR_FLG:ustring[max=1];
)