Returns the BLOB length and other useful information.
Parameters
- link_identifier
An InterBase link identifier. If omitted, the last opened link is
assumed.
- blob_id
A BLOB id.
Return Values
Returns an array containing information about a BLOB. The information returned
consists of the length of the BLOB, the number of segments it contains, the size
of the largest segment, and whether it is a stream BLOB or a segmented BLOB.