kasakrisz commented on code in PR #6496:
URL: https://github.com/apache/hive/pull/6496#discussion_r3332916537
##########
ql/src/test/org/apache/hadoop/hive/ql/stats/TestStatsUtils.java:
##########
@@ -565,4 +569,44 @@ void testGetColStatisticsTimestampType() {
assertEquals(1700000000L, range.maxValue.longValue(), "maxValue mismatch
for TIMESTAMP");
}
+ @Test
+ void testEstimateStatsForMissingColsHandlesEmptyList() {
+ HiveConf conf = new HiveConf();
+
+ ColumnInfo columnInfoA = new ColumnInfo("a", TypeInfoFactory.intTypeInfo,
"t", false);
+
+ List<ColStatistics> allColumnStats =
StatsUtils.estimateStatsForMissingCols(
+ List.of("a"), Collections.emptyList(), conf, 0, List.of(columnInfoA));
Review Comment:
Maybe
```
select 1 from t1
```
Added a test just in case.
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