davidradl commented on code in PR #26683: URL: https://github.com/apache/flink/pull/26683#discussion_r2149650394
########## flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/nodes/exec/serde/CompiledPlanSerdeUtil.java: ########## @@ -265,6 +277,47 @@ static <T> Optional<T> deserializeOptionalField( return Optional.empty(); } + static <T> List<T> deserializeList( + ObjectNode objectNode, + String fieldName, + Class<? extends T> type, + ObjectCodec codec, + DeserializationContext ctx) + throws IOException { + return ctx.readValue( + traverse(objectNode.required(fieldName), codec), + ctx.getTypeFactory().constructCollectionType(List.class, type)); + } + + static <T> List<T> deserializeListOrEmpty( + ObjectNode objectNode, + String fieldName, + Class<? extends T> type, + ObjectCodec codec, + DeserializationContext ctx) + throws IOException { + if (objectNode.hasNonNull(fieldName)) { + return deserializeList(objectNode, fieldName, type, codec, ctx); + } + return List.of(); + } + + static <K, V> Map<K, V> deserializeMapOrEmpty( Review Comment: I was curious do we need to do something about empty / null arrays, or is this handled already? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org