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runtime/vam: fix cast from string to string #6281

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Merged
nwt merged 1 commit into from
Oct 6, 2025
Merged

runtime/vam: fix cast from string to string #6281

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10 changes: 7 additions & 3 deletions runtime/vam/expr/cast/bytes.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,15 @@ import (
)

func castToBytes(vec vector.Any, index []uint32) (vector.Any, []uint32, string, bool) {
strVec, ok := vec.(*vector.String)
if !ok {
var out vector.Any
switch vec := vec.(type) {
case *vector.Bytes:
out = vec
case *vector.String:
out = vector.NewBytes(vec.Table(), vector.NullsOf(vec))
default:
return nil, nil, "", false
}
out := vector.Any(vector.NewBytes(strVec.Table(), vector.NullsOf(strVec)))
if index != nil {
out = vector.Pick(out, index)
}
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6 changes: 6 additions & 0 deletions runtime/ztests/expr/cast/bytes.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -3,13 +3,19 @@ spq: this::bytes
vector: true

input: |
0x01
null::bytes
null
"foo"
"bar"::=named
""
null::string
{x:"foo"}

output: |
0x01
null::bytes
null::bytes
0x666f6f
0x626172
0x
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