A value associated to the connection by connection_set in the datatype of the original value. If the variable does not exist, a NULL is returned.
connection_get is used to retrieve values stored within the current connection context. See connection_set for a more detailed discussion of connection variables.
SQL> select connection_get('var_demo');
callret
VARCHAR
__________________________________________________________________
NULL
SQL> connection_set('var_demo', 'some arb data');
SQL> select connection_get('var_demo');
callret
VARCHAR
__________________________________________________________________
some arb data
In a VSP page...
<?vsp
declare id integer;
declare saved_req any;
id := connection_get ('ID');
saved_req := connection_set ('saved_request');
?>