@Test public void testOptionalFromClause2() {
String sql = "SELECT * FROM t1, /*+ optional */ t2"; //$NON-NLS-1$
Query query = new Query();
Select select = new Select();
select.addSymbol(new AllSymbol());
query.setSelect(select);
From from = new From();
from.addGroup(new GroupSymbol("t1")); //$NON-NLS-1$
UnaryFromClause ufc = new UnaryFromClause();
ufc.setGroup(new GroupSymbol("t2")); //$NON-NLS-1$