OCI-Lob->seek

(no version information, might be only in CVS)

OCI-Lob->seek -- Sets the internal pointer of the large object

说明

class OCI-Lob {

bool seek ( int offset [, int whence] )

}

Sets the internal pointer of the large object. Parameter offset indicates the amount of bytes, on which internal pointer should be moved from the position, pointed by whence:

OCI_SEEK_SET - sets the position equal to offset
OCI_SEEK_CUR - adds offset bytes to the current position
OCI_SEEK_END - adds offset bytes to the end of large object (use negative value to move to a position before the end of large object)

如果成功则返回 TRUE,失败则返回 FALSE

参数

offset

whence