public int update() { int count; session.getUser().checkRight(table, Right.INSERT); session.getUser().checkRight(table, Right.UPDATE); setCurrentRowNumber(0); if (list.size() > 0) { count = 0; for (int x = 0, size = list.size(); x < size; x++) { Expression[] expr = list.get(x); Row newRow; try { newRow = createRow(expr, x); if (newRow == null) { continue; } } catch (DbException ex) { throw setRow(ex, count + 1, getSQL(expr)); } setCurrentRowNumber(++count); merge(newRow); } } else { ResultInterface rows = query.query(0); count = 0; table.fire(session, Trigger.UPDATE | Trigger.INSERT, true); table.lock(session, true, false); while (rows.next()) { Value[] values = rows.currentRow(); Row newRow; try { newRow = createRow(values); if (newRow == null) { continue; } } catch (DbException ex) { throw setRow(ex, count + 1, getSQL(values)); } setCurrentRowNumber(++count); merge(newRow); } rows.close(); table.fire(session, Trigger.UPDATE | Trigger.INSERT, false); } return count; }