Skip serializing parent-id when null (#879)

VianneyRuhlmann · web-flow · commit 4c831d1d944b · 2025-02-14T14:21:06.000Z
diff --git a/trace-utils/src/span_v04/span.rs b/trace-utils/src/span_v04/span.rs
@@ -57,6 +57,7 @@ pub struct Span {
     pub r#type: BytesString,
     pub trace_id: u64,
     pub span_id: u64,
+    #[serde(skip_serializing_if = "is_default")]
     pub parent_id: u64,
     pub start: i64,
     pub duration: i64,
