try copyFromNode in processor.Spawn

Author: DmitryRomanov

go.mod

@@ -158,3 +158,5 @@ require (
 	sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect
 	sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect
 )
+
+replace github.com/ozontech/insane-json => github.com/HeadHunter483/insane-json v0.0.0-20251020115930-22ac733527f5

go.sum

@@ -1,6 +1,8 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/ClickHouse/ch-go v0.58.2 h1:jSm2szHbT9MCAB1rJ3WuCJqmGLi5UTjlNu+f530UTS0=
 github.com/ClickHouse/ch-go v0.58.2/go.mod h1:Ap/0bEmiLa14gYjCiRkYGbXvbe8vwdrfTYWhsuQ99aw=
+github.com/HeadHunter483/insane-json v0.0.0-20251020115930-22ac733527f5 h1:+H5kKZdH98PKdba2EqhS4fi214/s1oGG4kxxwCqb144=
+github.com/HeadHunter483/insane-json v0.0.0-20251020115930-22ac733527f5/go.mod h1:xZLf3tVLOqaT13rn1sv4fYaZfupAXNL9naLz4QRoMfY=
 github.com/KimMachineGun/automemlimit v0.2.6 h1:tQFriVTcIteUkV5EgU9iz03eDY36T8JU5RAjP2r6Kt0=
 github.com/KimMachineGun/automemlimit v0.2.6/go.mod h1:pJhTW/nWJMj6SnWSU2TEKSlCaM+1N5Mej+IfS/5/Ol0=
 github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
@@ -277,8 +279,6 @@ github.com/onsi/gomega v1.19.0 h1:4ieX6qQjPP/BfC3mpsAtIGGlxTWPeA3Inl/7DtXw1tw=
 github.com/onsi/gomega v1.19.0/go.mod h1:LY+I3pBVzYsTBU1AnDwOSxaYi9WoWiqgwooUqq9yPro=
 github.com/opencontainers/runtime-spec v1.0.2 h1:UfAcuLBJB9Coz72x1hgl8O5RVzTdNiaglX6v2DM6FI0=
 github.com/opencontainers/runtime-spec v1.0.2/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0=
-github.com/ozontech/insane-json v0.1.9 h1:JG5cEsmuSDwmU7KTJTHfTJ40XMgvtPdsUQbXdbPv+bY=
-github.com/ozontech/insane-json v0.1.9/go.mod h1:xZLf3tVLOqaT13rn1sv4fYaZfupAXNL9naLz4QRoMfY=
 github.com/pascaldekloe/name v1.0.1 h1:9lnXOHeqeHHnWLbKfH6X98+4+ETVqFqxN09UXSjcMb0=
 github.com/pascaldekloe/name v1.0.1/go.mod h1:Z//MfYJnH4jVpQ9wkclwu2I2MkHmXTlT9wR5UZScttM=
 github.com/pierrec/lz4/v4 v4.1.21 h1:yOVMLb6qSIDP67pl/5F7RepeKYu/VmTyEXvuMI5d9mQ=

pipeline/processor.go

@@ -440,7 +440,7 @@ func (p *processor) Spawn(parent *Event, nodes []*insaneJSON.Node) {
 			SourceName: parent.SourceName,
 		}
 		parent.children = append(parent.children, child)
-		child.Root.MutateToNode(node)
+		child.Root.CopyFromNode(child.Root, node)
 		child.SetChildKind()
 		child.action = nextActionIdx