zeroshade commented on code in PR #35744:
URL: https://github.com/apache/arrow/pull/35744#discussion_r1205903529
##########
go/arrow/array/dictionary.go:
##########
@@ -1293,6 +1293,41 @@ func (b *BinaryDictionaryBuilder)
InsertStringDictValues(arr *String) (err error
return
}
+func (b *BinaryDictionaryBuilder) GetValueIndex(i int) int {
+ switch b := b.idxBuilder.Builder.(type) {
+ case *Uint8Builder:
+ return int(b.Value(i))
+ case *Int8Builder:
+ return int(b.Value(i))
+ case *Uint16Builder:
+ return int(b.Value(i))
+ case *Int16Builder:
+ return int(b.Value(i))
+ case *Uint32Builder:
+ return int(b.Value(i))
+ case *Int32Builder:
+ return int(b.Value(i))
+ case *Uint64Builder:
+ return int(b.Value(i))
+ case *Int64Builder:
+ return int(b.Value(i))
+ default:
+ return -1
+ }
+}
+
+func (b *BinaryDictionaryBuilder) Value(i int) []byte {
+ switch mt := b.memoTable.(type) {
+ case *hashing.BinaryMemoTable:
+ return mt.Value(i)
+ }
+ return nil
+}
+
+func (b *BinaryDictionaryBuilder) ValueStr(i int) string {
+ return string(b.Value(i))
Review Comment:
`return *(*string)(unsafe.Pointer(&b))` will return the string without
copying the bytes. :smile:
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