mrproliu commented on a change in pull request #6176:
URL: https://github.com/apache/skywalking/pull/6176#discussion_r571588976
##########
File path:
oap-server/analyzer/meter-analyzer/src/main/java/org/apache/skywalking/oap/meter/analyzer/dsl/Expression.java
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@@ -105,12 +106,11 @@ public SampleFamily propertyMissing(String metricName) {
return SampleFamily.EMPTY;
}
if (sampleFamilies.containsKey(metricName)) {
+ ExpressionParsingContext.get().ifPresent(ctx ->
ctx.samples.add(metricName));
return sampleFamilies.get(metricName);
}
- if (!ExpressionParsingContext.get().isPresent()) {
- log.warn("{} referred by \"{}\" doesn't exist in {}",
metricName, literal, sampleFamilies.keySet());
- }
- return SampleFamily.EMPTY;
+ // Using finder, support "."
+ return new SampleFamilyFinder(metricName, literal,
sampleFamilies);
Review comment:
If there no property(not the method) found, it will append `"." +
propertyName` to the meter name and trying to find.
If the method not found, it will same as the `SampleFamily`.
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