RussellSpitzer commented on code in PR #6680:
URL: https://github.com/apache/iceberg/pull/6680#discussion_r1089416606
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core/src/main/java/org/apache/iceberg/ManifestFilterManager.java:
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@@ -510,16 +510,19 @@ private Pair<InclusiveMetricsEvaluator,
StrictMetricsEvaluator> metricsEvaluator
// in other words, ResidualEvaluator returns a part of the expression
that needs to be
// evaluated
// for rows in the given partition using metrics
- return metricsEvaluators.computeIfAbsent(
- file.partition(),
- partition -> {
- Expression residual = residualEvaluator.residualFor(partition);
- InclusiveMetricsEvaluator inclusive =
- new InclusiveMetricsEvaluator(tableSchema, residual,
caseSensitive);
- StrictMetricsEvaluator strict =
- new StrictMetricsEvaluator(tableSchema, residual,
caseSensitive);
- return Pair.of(inclusive, strict);
- });
+ PartitionData partition = (PartitionData) file.partition();
+ if (!metricsEvaluators.containsKey(partition)) {
Review Comment:
Yes but then we make a copy of every single partition object, so we
basically lose all benefit from reuse containers
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