empiredan commented on code in PR #1237:
URL:
https://github.com/apache/incubator-pegasus/pull/1237#discussion_r1022784289
##########
src/utils/metrics.h:
##########
@@ -131,6 +132,26 @@
namespace dsn {
+using metric_fields_type = std::unordered_set<std::string>;
+
+// This struct includes a set of filters for both entities and metrics
requested by client.
+struct metric_filters
+{
+ // According to the parameters requested by client, this function will
filter metric
+ // fields that will be put in the response. `with_metric_fields` includes
all the metric
+ // fields that are wanted by client.
+ bool has_metric_field(const std::string &field_name) const
+ {
+ if (with_metric_fields.empty()) {
Review Comment:
Actually when `with_metric_fields` is empty, this means every metric field
is needed. I'll add more comments for this.
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