aokolnychyi commented on code in PR #2276:
URL: https://github.com/apache/iceberg/pull/2276#discussion_r1017020894
##########
core/src/main/java/org/apache/iceberg/util/TableScanUtil.java:
##########
@@ -128,6 +137,66 @@ public static <T extends ScanTask>
CloseableIterable<ScanTaskGroup<T>> planTaskG
combinedTasks -> new BaseScanTaskGroup<>(mergeTasks(combinedTasks)));
}
+ @SuppressWarnings("unchecked")
+ public static <T extends PartitionScanTask> List<ScanTaskGroup<T>>
planTaskGroups(
+ List<T> tasks,
+ long splitSize,
+ int lookback,
+ long openFileCost,
+ Types.StructType projectedPartitionType) {
+
+ Preconditions.checkArgument(splitSize > 0, "Invalid split size (negative
or 0): %s", splitSize);
+ Preconditions.checkArgument(
+ lookback > 0, "Invalid split planning lookback (negative or 0): %s",
lookback);
+ Preconditions.checkArgument(
+ openFileCost >= 0, "Invalid file open cost (negative): %s",
openFileCost);
+
+ List<T> splitTasks = Lists.newArrayList();
Review Comment:
I agree it will be only about the extra spaces occupied by temp list slots.
Up to you. I am okay either way.
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