|Oracle Call Interface Programmer's Guide
Release 2 (9.2)
Part Number A96584-01
OCI Datatype Mapping and Manipulation Functions, 116 of 134
Clears or nullifies a given REF.
The OCI environment handle initialized in object mode.
REF to clear.
REF is considered to be a null
REF if it no longer points to an object. Logically, a null
REF is a dangling
Note that a null
REF is still a valid SQL value and is not SQL
NULL. It can be used as a valid non-null constant REF value for a
NULL column or attribute of a row in a table.
If a null pointer value is passed as a
REF, then this function is non-operational.