pvary commented on code in PR #9346:
URL: https://github.com/apache/iceberg/pull/9346#discussion_r1433654079
##########
flink/v1.18/flink/src/main/java/org/apache/iceberg/flink/FlinkConfigOptions.java:
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@@ -94,7 +94,7 @@ private FlinkConfigOptions() {}
public static final ConfigOption<SplitAssignerType>
TABLE_EXEC_SPLIT_ASSIGNER_TYPE =
ConfigOptions.key("table.exec.iceberg.split-assigner-type")
.enumType(SplitAssignerType.class)
- .defaultValue(SplitAssignerType.SIMPLE)
+ .defaultValue(null)
Review Comment:
If the splits are not ordered, then we will have fluctuating watermarks. We
do not emit those, which are not in order, but beats the purpose of the whole
watermark generation feature.
Imagine a situation where we reading time series data, and read the latest
file first. Every other file will contain late data in this case, and might be
dropped.
So while technically possible, I rather not allow the users to shoot
themselves in the foot.
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