... 嵌套分程序如果语句 nested block if statement 否则语句, else语句 else statement 否则语句 else statement ...
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else if statement 否则若叙述
At a given if-then-else statement, the if part is the path that was executed.
对于给定的if - then - else语句,if部分就是被执行的路径。
In order to apply the ordering on all the columns, we will need to add them to the if-then-else statement.
为了对所有列应用排序,需要把它们添加到if - then - else语句中。
Note that when using OLAP data sources, you will not be able to use null in the else statement, and will need to use a static value.
注意,在使用olap数据源时,不能在else语句中使用null,需要使用一个静态值。
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