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feat(transformer): Add split and retain strategy for dedupe (#2761)

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This commit is contained in:
澄潭
2025-08-15 15:21:13 +08:00
committed by GitHub
parent a3310f1a3b
commit 995bcc2168
6 changed files with 98 additions and 5 deletions
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25
plugins/wasm-go/extensions/transformer/main.go
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@@ -1011,7 +1011,15 @@ func (h kvHandler) handle(host, path string, kvs map[string][]string, mapSourceD
if vs, ok := kvs[key]; ok && len(vs) >= 1 {
kvs[key] = vs[len(vs)-1:]
}
case "SPLIT_AND_RETAIN_FIRST":
if vs, ok := kvs[key]; ok && len(vs) >= 1 {
kvs[key] = strings.Split(vs[0], ",")[:1]
}
case "SPLIT_AND_RETAIN_LAST":
if vs, ok := kvs[key]; ok && len(vs) >= 1 {
split := strings.Split(vs[0], ",")
kvs[key] = split[len(split)-1:]
}
case "RETAIN_FIRST":
fallthrough
default:
@@ -1202,7 +1210,20 @@ func (h jsonHandler) handle(host, path string, oriData []byte, mapSourceData map
case "RETAIN_LAST":
dedupedVal = values[len(values)-1].Value() // key: last
case "SPLIT_AND_RETAIN_FIRST":
if len(values) > 0 {
split := strings.Split(values[0].String(), ",")
if len(split) > 0 {
dedupedVal = split[0]
}
}
case "SPLIT_AND_RETAIN_LAST":
if len(values) > 0 {
split := strings.Split(values[0].String(), ",")
if len(split) > 0 {
dedupedVal = split[len(split)-1]
}
}
case "RETAIN_FIRST":
fallthrough
default: