lujiajing1126 commented on code in PR #10448:
URL: https://github.com/apache/skywalking/pull/10448#discussion_r1174603337
##########
oap-server/server-storage-plugin/storage-banyandb-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/banyandb/BanyanDBAggregationQueryDAO.java:
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@@ -51,7 +52,53 @@ public BanyanDBAggregationQueryDAO(BanyanDBStorageClient
client) {
public List<SelectedRecord> sortMetrics(TopNCondition condition, String
valueColumnName, Duration duration, List<KeyValue> additionalConditions) throws
IOException {
final String modelName = condition.getName();
final TimestampRange timestampRange = new
TimestampRange(duration.getStartTimestamp(), duration.getEndTimestamp());
- MeasureQueryResponse resp = query(modelName, TAGS,
Collections.singleton(valueColumnName),
+ MetadataRegistry.Schema schema =
MetadataRegistry.INSTANCE.findMetadata(modelName, duration.getStep());
+ if (schema == null) {
+ throw new IOException("schema is not registered");
+ }
+
+ MetadataRegistry.ColumnSpec spec = schema.getSpec(valueColumnName);
+ if (spec == null) {
+ throw new IOException("field spec is not registered");
+ }
+
+ // BanyanDB server-side TopN support: for metrics aggregated at
instance, endpoint levels
+ if (schema.getTopNSpec() != null) {
+ return serverSideTopN(condition, schema, spec, timestampRange,
additionalConditions);
Review Comment:
Fixed
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