aokolnychyi commented on code in PR #9010:
URL: https://github.com/apache/iceberg/pull/9010#discussion_r1395044921
##########
parquet/src/main/java/org/apache/iceberg/parquet/ParquetBloomRowGroupFilter.java:
##########
@@ -114,10 +119,17 @@ private boolean eval(
Set<Integer> filterRefs =
Binder.boundReferences(schema.asStruct(), ImmutableList.of(expr),
caseSensitive);
- // If the filter's column set doesn't overlap with any bloom filter
columns, exit early with
- // ROWS_MIGHT_MATCH
- if (!filterRefs.isEmpty() && Sets.intersection(fieldsWithBloomFilter,
filterRefs).isEmpty()) {
- return ROWS_MIGHT_MATCH;
+ if (!filterRefs.isEmpty()) {
+ Sets.SetView overlappedBloomFilters =
Sets.intersection(fieldsWithBloomFilter, filterRefs);
+ if (overlappedBloomFilters.isEmpty()) {
+ // If the filter's column set doesn't overlap with any bloom filter
columns, exit early
Review Comment:
How useful is this comment after we nested this if condition? It seems
pretty obvious to me given the naming of the variables. Up to you, @huaxingao.
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