问题是这样的: 当php用oci8的load()方法去读取oracle CLOB字段时,此字段的值全是中文时,无论多长都不会出错,而当是中文及字母都存在,且长度超过4千多字符个数时,就出现以下警告,
Warning: OCI-Lob::load() [function.OCI-Lob-load]: ORA-24812: character set conversion to or from UCS2 failed
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[Quote=引用http://ora-24812.ora-code.com/:]
ORA-24812: character set conversion to or from UCS2 failed
Cause: If the database character set is varying-width, the CLOB/NCLOB value is implicitly converted to or from UCS2. This implicit conversion failed.