Shared work optimizer ignores schema merge setting in case of virtual column difference

set hive.optimize.shared.work.merge.ts.schema=false;

create table t1(a int);

explain
WITH t AS (
  select BLOCK__OFFSET__INSIDE__FILE, INPUT__FILE__NAME, a from (
    select BLOCK__OFFSET__INSIDE__FILE, INPUT__FILE__NAME, a, row_number() OVER (partition by INPUT__FILE__NAME) rn from t1
    where a = 1
  ) q
  where rn=1
)
select BLOCK__OFFSET__INSIDE__FILE, INPUT__FILE__NAME, a from t1 where NOT (a = 1) AND INPUT__FILE__NAME IN (select INPUT__FILE__NAME from t)
union all
select * from t

TS[0]-FIL[32]-SEL[2]-RS[14]-MERGEJOIN[42]-SEL[17]-UNION[27]-FS[29]
TS[3]-FIL[34]-RS[5]-SEL[6]-PTF[7]-FIL[33]-SEL[8]-GBY[13]-RS[15]-MERGEJOIN[42]
TS[18]-FIL[36]-RS[20]-SEL[21]-PTF[22]-FIL[35]-SEL[23]-UNION[27]

TS[0]-FIL[32]-SEL[2]-RS[14]-MERGEJOIN[42]-SEL[17]-UNION[27]-FS[29]
     -FIL[34]-RS[5]-SEL[6]-PTF[7]-FIL[33]-SEL[8]-GBY[13]-RS[15]-MERGEJOIN[42]
TS[18]-FIL[36]-RS[20]-SEL[21]-PTF[22]-FIL[35]-SEL[23]-UNION[27]

TS[3]: 0 = FILENAME
TS[18]: 0 = BLOCKOFFSET,  FILENAME