membphis commented on a change in pull request #83:
URL:
https://github.com/apache/skywalking-nginx-lua/pull/83#discussion_r633595423
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File path: lib/skywalking/segment_ref.lua
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@@ -59,14 +59,16 @@ end
-- Return string to represent this ref.
function _M.serialize(ref)
- local encodedRef = '1'
- .. '-' .. encode_base64(ref.trace_id)
- .. '-' .. encode_base64(ref.segment_id)
- .. '-' .. ref.span_id
- .. '-' .. encode_base64(ref.parent_service)
- .. '-' .. encode_base64(ref.parent_service_instance)
- .. '-' .. encode_base64(ref.parent_endpoint)
- .. '-' .. encode_base64(ref.address_used_at_client)
+ local encodedRef = table.concat({
Review comment:
Performance in this way will be lower.
`table.concat` is only needed when the number of elements of concat is not
fixed.
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