Copilot commented on code in PR #814:
URL: 
https://github.com/apache/skywalking-banyandb/pull/814#discussion_r2443372716


##########
banyand/trace/block.go:
##########
@@ -207,16 +207,18 @@ func (b *block) unmarshalTagFromSeqReaders(decoder 
*encoding.BytesBlockDecoder,
        bigValuePool.Release(bb)
 
        b.resizeTags(len(b.tags))
-       // TODO: avoid sorting the tagType map
-       keys := make([]string, 0, len(tagType))
-       for k := range tagType {
-               keys = append(keys, k)
+       b.tags[i].name = name
+       if valueType, ok := tagType[name]; ok {
+               b.tags[i].valueType = valueType
+               tm.name = name
+               tm.valueType = valueType
+       } else {
+               b.tags[i].valueType = pbv1.ValueTypeUnknown
+               for j := range b.tags[i].values {
+                       b.tags[i].values[j] = nil
+               }
+               return
        }

Review Comment:
   [nitpick] The tag name is assigned twice: once to `b.tags[i].name` (line 
210) and again to `tm.name` (line 213). Consider setting `tm.name` and 
`tm.valueType` before the conditional check, then assign from `tm` to 
`b.tags[i]` to reduce duplication and improve maintainability.
   ```suggestion
        tm.name = name
        if valueType, ok := tagType[name]; ok {
                tm.valueType = valueType
        } else {
                tm.valueType = pbv1.ValueTypeUnknown
                for j := range b.tags[i].values {
                        b.tags[i].values[j] = nil
                }
                b.tags[i].name = tm.name
                b.tags[i].valueType = tm.valueType
                return
        }
        b.tags[i].name = tm.name
        b.tags[i].valueType = tm.valueType
   ```



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