wgtmac commented on code in PR #3124:
URL: https://github.com/apache/parquet-java/pull/3124#discussion_r1920927836
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parquet-column/src/main/java/org/apache/parquet/column/statistics/SizeStatistics.java:
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@@ -67,8 +67,16 @@ public static class Builder {
private Builder(PrimitiveType type, int maxRepetitionLevel, int
maxDefinitionLevel) {
this.type = type;
this.unencodedByteArrayDataBytes = 0L;
- repetitionLevelHistogram = new long[maxRepetitionLevel + 1];
- definitionLevelHistogram = new long[maxDefinitionLevel + 1];
+ if (maxRepetitionLevel > 0) {
+ repetitionLevelHistogram = new long[maxRepetitionLevel + 1];
+ } else {
+ repetitionLevelHistogram = new long[0]; // omitted
+ }
+ if (maxDefinitionLevel > 1) {
Review Comment:
This is pretty easy to implement here and downstream consumers have to deal
with omitted case anyway. By doing this, we can produce such kind of example
files now.
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