tengu-alt commented on code in PR #1828:
URL:
https://github.com/apache/cassandra-gocql-driver/pull/1828#discussion_r2035139572
##########
marshal.go:
##########
@@ -1716,6 +1726,169 @@ func unmarshalList(info TypeInfo, data []byte, value
interface{}) error {
return unmarshalErrorf("can not unmarshal %s into %T. Accepted types:
*slice, *array.", info, value)
}
+func marshalVector(info VectorType, value interface{}) ([]byte, error) {
+ if value == nil {
+ return nil, nil
+ } else if _, ok := value.(unsetColumn); ok {
+ return nil, nil
+ }
+
+ rv := reflect.ValueOf(value)
+ t := rv.Type()
+ k := t.Kind()
+ if k == reflect.Slice && rv.IsNil() {
+ return nil, nil
+ }
+
+ switch k {
+ case reflect.Slice, reflect.Array:
+ buf := &bytes.Buffer{}
+ n := rv.Len()
+ if n != info.Dimensions {
+ return nil, marshalErrorf("expected vector with %d
dimensions, received %d", info.Dimensions, n)
+ }
+
+ for i := 0; i < n; i++ {
+ item, err := Marshal(info.SubType,
rv.Index(i).Interface())
+ if err != nil {
+ return nil, err
+ }
+ if isVectorVariableLengthType(info.SubType) {
+ writeUnsignedVInt(buf, uint64(len(item)))
+ }
+ buf.Write(item)
+ }
+ return buf.Bytes(), nil
+ }
+ return nil, marshalErrorf("can not marshal %T into %s", value, info)
Review Comment:
There is actually a messadges with the provided accepted types like in
[here](https://github.com/apache/cassandra-gocql-driver/blob/trunk/marshal.go#L338)
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