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OCI-Lob->erase

Erases a specified portion of the internal LOB data ()

OCI-Lob {
  int erase(int offset,
            int length);

}

Erases a specified portion of the internal LOB data starting at a specified offset. If called without parameters, it erases all LOB data.

For BLOBs, erasing means that the existing LOB value is overwritten with zero-bytes. For CLOBs, the existing LOB value is overwritten with spaces.

Parameters

offset
length

Return Values

Returns the actual number of characters/bytes erased or FALSE in case of error.