使用外部表搞了一些数据到数据库中去,结果有一列原本可以转化为number的却出现了ORA-01722: invalid number。
trim了半天也没有效果,想起dump:
select">SQL>select dump(id) from test_re_2 where rownum<10;
DUMP(ID)
------------------------------------------------------------------------------------------------------------------------------------------------------
Typ=1 Len=11: 9,49,48,48,48,48,50,50,52,54,9
Typ=1 Len=11: 9,49,48,48,48,48,50,50,52,55,9
Typ=1 Len=11: 9,49,48,48,48,48,50,50,52,56,9
Typ=1 Len=11: 9,49,48,48,48,48,50,50,52,57,9
Typ=1 Len=11: 9,49,48,48,48,48,50,50,53,48,9
Typ=1 Len=11: 9,49,48,48,48,48,50,50,53,49,9
Typ=1 Len=11: 9,49,48,48,48,48,50,50,53,50,9
Typ=1 Len=11: 9,49,48,48,48,48,50,50,53,51,9
Typ=1 Len=11: 9,49,48,48,48,48,50,50,53,52,9
9 rows selected.
竟然前后各有一个制表符(9是制表符)。
replace掉,ok。
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