ERASE v13
The ERASE
procedure provides the capability to erase a portion of a large object. To erase a large object means to replace the specified portion with zero-byte fillers for BLOBs
or with spaces for CLOBs
. The actual size of the large object is not altered.
Parameters
lob_loc
Large object locator of the large object to be erased.
amount IN
Number of bytes/characters to be erased.
amount OUT
Number of bytes/characters actually erased. This value can be smaller than the input value if the end of the large object is reached before amount
bytes/characters have been erased.
offset
Position in the large object where erasing is to begin. The first byte/character is position 1. The default is 1.