474
474
# Let us also test various ambiguos and potentially ambiguos cases
478
478
select col1 as col, col from t1 order by col;
486
486
select col1 from t1, t2 where t1.col1=t2.col2 order by col;
488
488
select t1.col as t1_col, t2.col2 from t1, t2 where t1.col1=t2.col2