可以将case statement作为外部case statement的语句序列的一部分。 即使内部和外部的case constants包含共同的值,也不会产生冲突。 语法(Syntax) 嵌套case语句的语法如下 - case (ch1) of 'A': begin writeln('This A is part of outer case' ); case(ch2) of 'A': writeln('This A is part of inner c...
嵌套的 Select Case 语句(nested Select Case statements) 可以将select语句作为外部select语句的语句序列的一部分。 即使内部和外部选择的case常量包含公共值,也不会产生冲突。 例子(Example) Module decisions Sub Main() 'local variable definition Dim a As Integer = 100 Dim b As Integer = 200 Select a Ca...
In this tutorial, we’ll focus on thecasestatement and learn how to write nestedcasestatements. Finally, we’ll learn how to use the;;terminator to end eachcaseoption. 2.caseStatements caseis a conditional statement that executes specific actions based on a matching pattern: ...
Believe it or not, I can't find a clear answer to this even after a lot of searching all over the web, and while sometimes I can make it work othertimes I can't. Is it possible to nest case statements in a shell script? Something like this: case "$var1" in ( "a" ) dosom...
case case '' when 'abc' then t4.string_col end when 'none' then 'Total' end as fcol from functional.alltypes as t4 limit 1; {code} jstack shows Impala enter infinite loop in ExprRewriter functions: {code:java} "Thread-16" #39 prio=5 os_prio=0 tid=0x000000000e188000 nid=0x90ec8...
(was: ExprRewriter enter infinite loop for nested Case statements) > ExprRewriter enter infinite loop for nested Case expressions > --- > > Key: IMPALA-12770 > URL:https://issues.apache.org/jira/browse/IMPALA-12770> Project: IMPALA > Issue ...
switch(expression) { case expression #1: statement #1 ... case expression #2: statement #2 ... case expression #N: statement #N ... default: statement #Default ... } Use of Nested Switch Statements for IntegersFollowing is an example of the nested switch statement −...
Entirely useless example: proc sql; create table example as select *, case when age =14 then (case when sex = 'F' then "Female" else
A case statement is similar to a nested if…else block which allows you to test a list of conditions and return only one value from the list of possible outcomes. You will often find using the CASE statements in stored procedures or SQL functions to run a set of conditions. ...
In case you need to evaluate a few sets of different conditions, you can express those conditions using OR as well as AND function, nest the functions inside IF statements, and then nest the IF statements into each other. Nested IF in Excel with OR statements ...