stevenzwu commented on a change in pull request #3061:
URL: https://github.com/apache/iceberg/pull/3061#discussion_r701192996
##########
File path: flink/src/main/java/org/apache/iceberg/flink/sink/FlinkSink.java
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@@ -249,7 +249,7 @@ public Builder uidPrefix(String newPrefix) {
return this;
}
- public DataStreamSink<RowData> build() {
+ public DataStreamSink<Void> build() {
Review comment:
technically, this is a breaking change if users store the return value
into a variable, although in theory I can't think of a valid reason to do so.
```
DataStreamSink<RowData> sink = FlinkSink.forRowData(dataStream)
...
.build();
// do sth with the sink like override/set name, uid etc.
```
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