adriangb commented on code in PR #7015:
URL: https://github.com/apache/arrow-rs/pull/7015#discussion_r1929594652
##########
arrow-json/src/writer/mod.rs:
##########
@@ -1953,4 +1968,317 @@ mod tests {
"#,
);
}
+
+ fn make_fallback_encoder_test_data() -> (RecordBatch, Arc<dyn
EncoderFactory>) {
+ // Note: this is not intended to be an efficient implementation.
+ // Just a simple example to demonstrate how to implement a custom
encoder.
+ #[derive(Debug)]
+ enum UnionValue {
+ Null,
+ Int32(i32),
+ String(String),
+ }
+
+ #[derive(Debug)]
+ struct UnionEncoder {
Review Comment:
That would be nice 😄
How about I try to write one on our end and then we can upstream it if it
works properly?
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