data type of wrapper on DB2 II

[shim21c]

Please, Ask me the answer which data type of wrapper on DB2 II.

I tested wrapper on DB2 II.
I want to know the data type I can data type of wrapper.
I failed to test which there was contained integer, dec(15,0), varchar().

It's my test script.
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create wrapper flat_wrap library 'libdb2lsfile.a';

create server flat_svr wrapper flat_wrap;

create nickname i_cimcadr (
cust_id varchar(13),
addr_code varchar(1) ,
tel_no1 varchar(4) ,
tel_no2 varchar(4) ,
tel_no3 varchar(4) ,
regi_dt varchar(8) ,
updt_dt varchar(8) ,
proc_empl_no varchar(8) ,
pro_tax dec(15,0) ,
land_tax dec(15,0) ,
land_cnt integer
)
for server flat_svr
options ( file_path '/home/db2inst1/test.dat',
column_delimiter '!',
sorted 'N' ) ;


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I failed test. But, I converted dec(15,0) to varchar(15) and integer to varchar(5), so I success.
However, when I test query, I must to convert at reverse.

Please, Ask me the answer which data type of wrapper on DB2 II.