forsaken628 opened a new issue, #14780:
URL: https://github.com/apache/arrow/issues/14780
### Describe the bug, including details regarding any error messages,
version, and platform.
```
func TestName2(t *testing.T) {
mem := memory.DefaultAllocator
dt := arrow.MapOf(arrow.BinaryTypes.String, arrow.BinaryTypes.String)
schema := arrow.NewSchema([]arrow.Field{{
Name: "map",
Type: dt,
}}, nil)
arr, _, err := array.FromJSON(mem, dt, bytes.NewReader(
[]byte(`
[[{"key":"index1","value":"main2"}]
,[{"key":"index3","value":"main4"},{"key":"tag_int","value":""}]
,[{"key":"index5","value":"main6"},{"key":"tag_int","value":""}]
,[{"key":"index6","value":"main7"},{"key":"tag_int","value":""}]
,[{"key":"index7","value":"main8"},{"key":"tag_int","value":""}]
,[{"key":"index8","value":"main9"}]
]`),
))
if err != nil {
panic(err)
}
rec := array.NewRecord(schema, []arrow.Array{arr}, int64(arr.Len()))
// rec2 := rec // ok
// rec2 := rec.NewSlice(0, 2) // ok
rec2 := rec.NewSlice(1, 2)
var buf bytes.Buffer
w := ipc.NewWriter(&buf, ipc.WithSchema(rec.Schema()))
err = w.Write(rec2)
if err != nil {
panic(err)
}
err = w.Close()
if err != nil {
panic(err)
}
r, err := ipc.NewReader(&buf)
if err != nil {
panic(err)
}
r.Next()
fmt.Println(r.Record())
// record:
// schema:
// fields: 1
// - map: type=map<utf8, utf8>
// rows: 1
// col[0][map]: %!v(PANIC=String method: arrow/array: index out of
range)
}
```
### Component(s)
Go
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