dpiConn_getInstanceName

odpic_sys

Function dpiConn_getInstanceName 

Source 
pub unsafe extern "C" fn dpiConn_getInstanceName(
    conn: *mut dpiConn,
    value: *mut *const c_char,
    valueLength: *mut u32,
) -> c_int
Expand description

Returns the Oracle Database instance name associated with the connection. This is the same value returned by the SQL expression sys_context('userenv', 'instance_name').

The function returns DPI_SUCCESS for success and DPI_FAILURE for failure.