Support span name trace attribute filters

Author: zqr10159

hertzbeat-observability/src/main/java/org/apache/hertzbeat/observability/traces/service/impl/EntityTraceQueryServiceImpl.java

@@ -1206,7 +1206,24 @@ private boolean matchesSpanAttributeFilters(TraceAggregate trace, ResourceFilter
             return false;
         }
         return trace.spans.stream()
-                .anyMatch(span -> matchesFilterMap(span.getSpanAttributes(), attributeFilters));
+                .anyMatch(span -> matchesFilterMap(spanAttributeFilterValues(span), attributeFilters));
+    }
+
+    private Map<String, String> spanAttributeFilterValues(TraceSpanNodeDto span) {
+        if (span == null) {
+            return Collections.emptyMap();
+        }
+        Map<String, String> values = new LinkedHashMap<>();
+        if (!CollectionUtils.isEmpty(span.getSpanAttributes())) {
+            values.putAll(span.getSpanAttributes());
+        }
+        String spanName = trimText(span.getSpanName());
+        if (spanName != null) {
+            values.putIfAbsent("span.name", spanName);
+            values.putIfAbsent("span_name", spanName);
+            values.putIfAbsent("spanName", spanName);
+        }
+        return values;
     }
 
     private boolean matchesFilterMap(Map<String, String> values, ResourceFilterSet filters) {

hertzbeat-observability/src/test/java/org/apache/hertzbeat/observability/traces/service/impl/EntityTraceQueryServiceImplTest.java

@@ -848,6 +848,34 @@ void queryTraceListAppliesSpanAttributeFiltersWithRowFallback() {
                 org.mockito.ArgumentMatchers.anyInt());
     }
 
+    @Test
+    void queryTraceListMatchesSyntheticSpanNameAttributeFilters() {
+        long now = System.currentTimeMillis();
+        long start = now - 120_000;
+        long end = now;
+        when(traceQueryRepository.queryRecentTraceRows(
+                eq(1500), eq(start), eq(end), eq("checkout-service"), org.mockito.ArgumentMatchers.isNull(),
+                org.mockito.ArgumentMatchers.isNull(), org.mockito.ArgumentMatchers.isNull(),
+                org.mockito.ArgumentMatchers.isNull(), org.mockito.ArgumentMatchers.isNull(),
+                org.mockito.ArgumentMatchers.isNull(), org.mockito.ArgumentMatchers.<Map<String, Set<String>>>any(),
+                eq(false))).thenReturn(List.of(
+                traceRow("trace-checkout", "span-root-1", null, "POST /checkout",
+                        "checkout-service", "STATUS_CODE_OK", now - 10_000, 2_000_000L,
+                        Map.of("service.name", "checkout-service")),
+                traceRow("trace-inventory", "span-root-2", null, "GET /inventory",
+                        "checkout-service", "STATUS_CODE_OK", now - 9_000, 2_000_000L,
+                        Map.of("service.name", "checkout-service"))
+        ));
+
+        var page = entityTraceQueryService.queryTraceList(null, start, end, null,
+                false, "checkout-service", null, null,
+                null, null, null, null, 0, 20, false, null,
+                "span.name=\"POST /checkout\"");
+
+        assertEquals(1, page.getTotalElements());
+        assertEquals("trace-checkout", page.getContent().getFirst().getTraceId());
+    }
+
     @Test
     void traceQueriesPreferEntityIdentityOverConflictingRouteContext() {
         long now = System.currentTimeMillis();