1. Function Definition TheSWITCHfunction can make judgements on multiple conditions and return corresponding results based on different values. Note: The Else statement is not supported in theSWITCHfunction. Syntax SWITCH(Expression,Value1,Result1,Value2,Result2,...,Other results) ...
语法说明: 方式一: CASE value WHEN [compare_value] THEN result [WHEN [compare_value] THEN result …] [ELSE result...] END 方式二: CASE WHEN [condition] THEN result [WHEN [condition] THEN result …] [ELSE result] END...使用演示样例: mysql> select id,name, (gender) as ‘性别’ from...
0 CRC, 0 frame, 0 overrun, 0 ignored 0watchdog, 5680 multicast, 0 pause input 0 input packets with dribble condition detected 119 packets output, 12781 bytes, 0 underruns 0 output errors, 0 collisions, 2 interface resets 0 babbles, 0 late collision, 0 deferred 0 lostcarrier, ...
A switch statement causes control to transfer to one labeled-statement in its statement body, depending on the value of condition. The condition must have an integral type, or be a class type that has an unambiguous conversion to integral type. Integral promotion takes place as described in St...
boolcondition = Random().nextBool();// 单分支if(condition){// condition = true 时执行逻辑}// 二分支if(condition){// condition = true 时执行逻辑}else{// condition = false 时执行逻辑} 如果需要多个分支,可以使用else if继续添加条件。
The SPT switchover condition is configured. traffic-rate specifies the rate threshold that triggers an SPT switchover. infinity indicates that the SPT switchover is never triggered. Run: timer spt-switch interval The interval for checking the forwarding rate of multicast data is configured. Run: ...
The SPT switchover condition is configured. traffic-rate specifies the rate threshold that triggers an SPT switchover. infinity indicates that the SPT switchover is never triggered. Run: timer spt-switch interval The interval for checking the forwarding rate of multicast data is configured. Run: ...
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A case pattern may not be expressive enough to specify the condition for the execution of the switch section. In such a case, you can use acase guard. That is an additional condition that must be satisfied together with a matched pattern. A case guard must be a Boolean expression. You ...
Specify the condition under which the block passes the first input by using the Criteria for passing first input and Threshold parameters. To immediately back propagate a known output data type to the first and third input ports, set the Output data type parameter to Inherit: Inherit via ...