RussellSpitzer commented on code in PR #10659:
URL: https://github.com/apache/iceberg/pull/10659#discussion_r1693310824
##########
spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/source/TestSparkScan.java:
##########
@@ -130,6 +142,61 @@ public void testEstimatedRowCount() throws
NoSuchTableException {
assertThat(stats.numRows().getAsLong()).isEqualTo(10000L);
}
+ @TestTemplate
+ public void testColStats() throws NoSuchTableException {
+ sql("CREATE TABLE %s (id int, data string) USING iceberg", tableName);
+
+ List<SimpleRecord> records =
+ Lists.newArrayList(
+ new SimpleRecord(1, "a"),
+ new SimpleRecord(2, "b"),
+ new SimpleRecord(3, "a"),
+ new SimpleRecord(4, "b"));
+ spark
+ .createDataset(records, Encoders.bean(SimpleRecord.class))
+ .coalesce(1)
+ .writeTo(tableName)
+ .append();
+
+ Table table = validationCatalog.loadTable(tableIdent);
+ long snapshotId = table.currentSnapshot().snapshotId();
+
+ GenericStatisticsFile statisticsFile =
+ new GenericStatisticsFile(
+ snapshotId,
+ "/test/statistics/file.puffin",
+ 100,
+ 42,
+ ImmutableList.of(
+ new GenericBlobMetadata(
+ APACHE_DATASKETCHES_THETA_V1,
+ snapshotId,
+ 1,
+ ImmutableList.of(1),
+ ImmutableMap.of("ndv", "4")),
+ new GenericBlobMetadata(
+ APACHE_DATASKETCHES_THETA_V1,
+ snapshotId,
+ 1,
+ ImmutableList.of(2),
+ ImmutableMap.of())));
+
+ table.updateStatistics().setStatistics(snapshotId,
statisticsFile).commit();
+ SparkScanBuilder scanBuilder =
+ new SparkScanBuilder(spark, table, CaseInsensitiveStringMap.empty());
+ SparkScan scan = (SparkScan) scanBuilder.build();
+
+ Map<String, String> sqlConf1 =
Review Comment:
sqlConf1 => reportStatsDisabled
sqlConf2 => reportStatsEnabled
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