huaxingao commented on code in PR #10659: URL: https://github.com/apache/iceberg/pull/10659#discussion_r1683659774
########## spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/source/SparkScan.java: ########## @@ -175,7 +184,37 @@ public Statistics estimateStatistics() { protected Statistics estimateStatistics(Snapshot snapshot) { // its a fresh table, no data if (snapshot == null) { - return new Stats(0L, 0L); + return new Stats(0L, 0L, Collections.emptyMap()); + } + + boolean cboEnabled = + Boolean.parseBoolean(spark.conf().get(SQLConf.CBO_ENABLED().key(), "false")); + Map<NamedReference, ColumnStatistics> colStatsMap = null; + if (readConf.enableColumnStats() && cboEnabled) { + colStatsMap = Maps.newHashMap(); + List<StatisticsFile> files = table.statisticsFiles(); + if (!files.isEmpty()) { + List<BlobMetadata> metadataList = (files.get(0)).blobMetadata(); + + for (BlobMetadata blobMetadata : metadataList) { + int id = blobMetadata.fields().get(0); Review Comment: cc @findepi -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org