saitharun15 commented on code in PR #11615:
URL: https://github.com/apache/iceberg/pull/11615#discussion_r1855092790
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spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/source/SparkScan.java:
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@@ -194,10 +205,40 @@ protected Statistics estimateStatistics(Snapshot
snapshot) {
Map<NamedReference, ColumnStatistics> colStatsMap = Collections.emptyMap();
if (readConf.reportColumnStats() && cboEnabled) {
colStatsMap = Maps.newHashMap();
+ Map<Integer, Long> ndvs = Maps.newHashMap();
+ Map<Integer, Long> nullCounts = Maps.newHashMap();
+ Map<Integer, Object> minValues = Maps.newHashMap();
+ Map<Integer, Object> maxValues = Maps.newHashMap();
List<StatisticsFile> files = table.statisticsFiles();
if (!files.isEmpty()) {
List<BlobMetadata> metadataList = (files.get(0)).blobMetadata();
+ if (readConf.deriveStatsFromManifestSessionConf()
+ || readConf.deriveStatsFromManifestTableProperty()) {
+ Map<String, Map<Integer, Long>> distinctDataFilesNullCount =
Maps.newHashMap();
Review Comment:
Updated to collect data files into a set and renamed the variables, Thanks!
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