ajantha-bhat commented on code in PR #12647:
URL: https://github.com/apache/iceberg/pull/12647#discussion_r2015710527
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spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/source/SparkScan.java:
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@@ -195,8 +196,10 @@ protected Statistics estimateStatistics(Snapshot snapshot)
{
if (readConf.reportColumnStats() && cboEnabled) {
colStatsMap = Maps.newHashMap();
List<StatisticsFile> files = table.statisticsFiles();
- if (!files.isEmpty()) {
- List<BlobMetadata> metadataList = (files.get(0)).blobMetadata();
+ Optional<StatisticsFile> file =
+ files.stream().filter(f -> f.snapshotId() ==
snapshot.snapshotId()).findFirst();
Review Comment:
As per java implementation, it is always a single stats file per snapshot
id.
https://github.com/apache/iceberg/blob/695374d8bfbd22f4347cfe43b54a93c41b88f166/core/src/main/java/org/apache/iceberg/TableMetadata.java#L1369
I followed similar design while working on partition stats too.
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