/*
                 * Allocate and initialize the instantiated key.
                 *
                 * Note: all keys on internal pages are instantiated, we assume
                 * they're more likely to be useful than keys on leaf pages.
                 * It's possible that's wrong (imagine a cursor reading a table
                 * that's never randomly searched, the internal page keys are
                 * unnecessary).  If this policy changes, it has implications
                 * for reconciliation, the row-store reconciliation function
                 * depends on keys always be instantiated.
                 */
                WT_ERR(__wt_row_ikey(session,
                    WT_PAGE_DISK_OFFSET(page, cell),
                    current->data, current->size, &ref->u.key));