RussellSpitzer commented on code in PR #12201:
URL: https://github.com/apache/iceberg/pull/12201#discussion_r1947961340
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core/src/main/java/org/apache/iceberg/util/TableScanUtil.java:
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@@ -236,6 +236,9 @@ public static long adjustSplitSize(long scanSize, int
parallelism, long splitSiz
// use the configured split size if it produces at least one split per slot
// otherwise, adjust the split size to target parallelism with a
reasonable minimum
// increasing the split size may cause expensive spills and is not done
automatically
+ if (splitSize <= 0) {
Review Comment:
We already have this check immediately below,
```java
private static void validatePlanningArguments(long splitSize, int
lookback, long openFileCost) {
Preconditions.checkArgument(splitSize > 0, "Split size must be > 0: %s",
splitSize);
Preconditions.checkArgument(lookback > 0, "Split planning lookback must
be > 0: %s", lookback);
Preconditions.checkArgument(openFileCost >= 0, "File open cost must be
>= 0: %s", openFileCost);
}
```
How is this being avoided?
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