(no version information, might be only in CVS)
OCI-Lob->append -- Appends data from the large object to another large objectAppends data from the large object to the end of another large object.
Writing to the large object with OCI-Lob->append() will fail if buffering was previously enabled. You must disable buffering before appending. You may need to flush buffers with OCI-Lob->flush before disabling buffering.
如果成功则返回 TRUE，失败则返回 FALSE。