somu-imply commented on code in PR #12439:
URL: https://github.com/apache/druid/pull/12439#discussion_r852454651
##########
sql/src/test/java/org/apache/druid/sql/calcite/CalciteQueryTest.java:
##########
@@ -648,6 +648,42 @@ public void testEarliestAggregators() throws Exception
);
}
+ @Test
+ public void testLatestVectorAggregators() throws Exception
+ {
+ // Cannot vectorize LATEST aggregator.
+ //skipVectorize();
+
+ testQuery(
+ "SELECT "
+ + "LATEST(cnt), LATEST(cnt + 1), LATEST(m1), LATEST(m1+1) "
+ + "FROM druid.numfoo",
+ ImmutableList.of(
+ Druids.newTimeseriesQueryBuilder()
+ .dataSource(CalciteTests.DATASOURCE3)
+ .intervals(querySegmentSpec(Filtration.eternity()))
+ .granularity(Granularities.ALL)
+ .virtualColumns(
+ expressionVirtualColumn("v0", "(\"cnt\" + 1)",
ColumnType.LONG),
+ expressionVirtualColumn("v1", "(\"m1\" + 1)",
ColumnType.FLOAT)
+ )
+ .aggregators(
+ aggregators(
+ new LongLastAggregatorFactory("a0", "cnt", null),
+ new LongLastAggregatorFactory("a1", "v0", null),
+ new FloatLastAggregatorFactory("a2", "m1", null),
+ new FloatLastAggregatorFactory("a3", "v1", null)
+ )
+ )
+ .context(QUERY_CONTEXT_DEFAULT)
+ .build()
+ ),
+ ImmutableList.of(
+ new Object[]{1L, 2L, 6.0f, 7.0f}
+ )
+ );
+ }
+
Review Comment:
I'll add these once the string aggregator is done as in some of the cases a
StringLastAggregator is also used
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