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Operator | Description | Example |
$N.keyname | Imports the query analysis result. N is the monitoring object number, keyname is the field name in the query analysis result (which must start with a letter and can contain letters, digits, and underscores. We recommend you use the AS syntax to set an alias for the result.) | $1.ErrCount |
+ | Addition operator | $1.ErrCount+$1.FatCount>10 |
- | Subtraction operator | $1.Count-$1.InfoCount>100 |
* | Multiplication operator | $1.RequestMilSec*1000>10 |
/ | Division operator | $1.RequestSec/1000>0.01 |
% | Modulo operator | $1.keyA%10==0 |
== | Comparison operator: equal to | $1.ErrCount==100 $1.level=="Error" |
> | Comparison operator: greater than | $1.ErrCount>100 |
< | Comparison operator: less than | $1.pv<100 |
>= | Comparison operator: greater than or equal to | $1.ErrCount>=100 |
<= | Comparison operator: less than or equal to | $1.pv<=100 |
!= | Comparison operator: not equal to | $1.level!="Info" |
() | Parentheses for controlling the operation priority | ($1.a+$1.b)/$1.c>100 |
&& | Logical operator: AND | $1.ErrCount>100 && $1.level=="Error" |
|| | Logical operator: OR | $1.ErrCount>100 || $1.level=="Error" |
$1.a+$1.b is 100, no alarms will be triggered; if the result is greater than or equal to 100, an alarm will be triggered.keyname in $N.keyname is the field name of the query analysis result. It must start with a letter and can contain letters, digits, and underscores, such as level:error | select count(*) AS errCount. errCount can be directly used as keyname in the trigger condition expression. If the field name contains special symbols, you need to enclose the imported variable with [], such as [$1.count(*)]. We recommend you use an AS analysis statement to set an alias for the result field name.$1.key1 imports the key1 field name in the query whose number is 1, and $2.key2 imports the key2 field name in the query whose number is 2.true. For example, if the expression is $1.a+$2.b>100, analysis 1 returns m results, and analysis 2 returns n results, then the expression will be calculated for m * n times, and calculation will stop when $1.a+$2.b>100 is true or after 1,000 times of calculation.Was this page helpful?
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