Spool command in DDL is not working

spool C:\Users\ddl.log
create table Temp
(
A Number
);
/
spool off

Above is my file ,
when i try to run this file via liquibase, it provides the below error
Migration failed to changeset, invalid stamtement for the (ORA00900)

Can any one help whow to include spool command in script?

see the other thread