Appends a sequence of bytes to a large object that is contained in a UDT or defined to be the result of a UDF, UDM, or external stored procedure, or defined to be the column of a table operator output stream.
| Outcome | FNC_LobAppend Return Value |
|---|---|
| Operation is successful | 0 The actual_length argument is set to the value of data_length. |
| Truncation occurs | -1 The actual_length argument is set to the number of bytes appended. |