The GETLENGTH function gets the length of a specified LOB. The length returned is either in bytes or characters.
The length also includes zero-byte fillers and spaces that are generated by previous operations, such as WRITE. The length of an empty internal LOB is 0.
Applicability
This topic applies only to OceanBase Database Enterprise Edition. OceanBase Database Community Edition provides only the MySQL mode.
Syntax
DBMS_LOB.GETLENGTH (
lob_loc IN BLOB
)
RETURN NUMBER;
DBMS_LOB.GETLENGTH (
lob_loc IN CLOB CHARACTER SET ANY_CS
)
RETURN NUMBER;
Parameters
| Parameter | Description |
|---|---|
| lob_loc | The locator of the LOB. For more information, see Considerations. |
Return values
The length of the LOB (in bytes or characters) is returned, which is an integer. If the input LOB is NULL, or the lob_loc specified is NULL, NULL is returned.
Exceptions
| Exception | Description |
|---|---|
| BUFFERING_ENABLED | The operation cannot be performed because LOB buffering is enabled. |
