morrySnow commented on code in PR #65445:
URL: https://github.com/apache/doris/pull/65445#discussion_r3569562603
##########
fe/fe-core/src/test/java/org/apache/doris/nereids/stats/StatsCalculatorTest.java:
##########
@@ -206,6 +212,75 @@ table1, new Column("c1", PrimitiveType.INT),
Assertions.assertNotNull(stats.columnStatistics().get(slot1));
}
+ @Test
+ public void testComputeOlapScanScalesNumNullsForSelectedPartitions() {
+ ConnectContext previousContext = ConnectContext.get();
+ ConnectContext connectContext = new ConnectContext();
+ connectContext.setThreadLocalInfo();
+
+ Env env = Mockito.mock(Env.class);
+ AnalysisManager analysisManager = Mockito.mock(AnalysisManager.class);
+ StatisticsCache statisticsCache = Mockito.mock(StatisticsCache.class);
+ StatisticsCache.OlapTableStatistics olapTableStatistics
+ = Mockito.mock(StatisticsCache.OlapTableStatistics.class);
+ OlapTable table = Mockito.mock(OlapTable.class);
+ LogicalOlapScan scan = Mockito.mock(LogicalOlapScan.class);
+ Partition selectedPartition = Mockito.mock(Partition.class);
+
+ long selectedPartitionId = 1L;
+ long baseIndexId = 10L;
+ Column column = new Column("val", PrimitiveType.INT);
+ SlotReference slot = new SlotReference(new ExprId(1), "val",
IntegerType.INSTANCE, true,
+ ImmutableList.of("test", "tbl"), table, column, table, column);
+ ColumnStatistic tableStatistic = new ColumnStatisticBuilder(12)
+ .setNdv(1)
+ .setMinValue(2)
+ .setMaxValue(2)
+ .setMinExpr(new IntLiteral(2))
+ .setMaxExpr(new IntLiteral(2))
+ .setNumNulls(3)
+ .build();
+
+ Mockito.when(env.getAnalysisManager()).thenReturn(analysisManager);
+ Mockito.when(env.getStatisticsCache()).thenReturn(statisticsCache);
+
Mockito.when(statisticsCache.getOlapTableStats(scan)).thenReturn(olapTableStatistics);
+ Mockito.when(olapTableStatistics.getColumnStatistics("val",
connectContext)).thenReturn(tableStatistic);
+ Mockito.when(scan.getTable()).thenReturn(table);
+ Mockito.when(scan.getSelectedIndexId()).thenReturn(baseIndexId);
+
Mockito.when(scan.getSelectedPartitionIds()).thenReturn(ImmutableList.of(selectedPartitionId));
Review Comment:
not problem
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