t = table(1..5 as `202120, 1..5 as value) select round(202120, 4) 202120 from t // 错误 select round(_"202120", 4) `202120 from t // 正确
查询时,如果数字开头列名,需要使用_这种方式。
t = table(1..5 as `202120, 1..5 as value) select round(202120, 4) 202120 from t // 错误 select round(_"202120", 4) `202120 from t // 正确
查询时,如果数字开头列名,需要使用_这种方式。