gianm commented on a change in pull request #9122: Add SQL GROUPING SETS
support.
URL: https://github.com/apache/druid/pull/9122#discussion_r384092390
##########
File path: sql/src/test/java/org/apache/druid/sql/calcite/CalciteQueryTest.java
##########
@@ -9579,6 +9600,538 @@ public void testGroupByTimeAndOtherDimension() throws
Exception
);
}
+ @Test
+ public void testGroupingSets() throws Exception
+ {
+ // Cannot vectorize due to virtual columns.
+ cannotVectorize();
+
+ testQuery(
+ "SELECT dim2, gran, SUM(cnt)\n"
+ + "FROM (SELECT FLOOR(__time TO MONTH) AS gran, COALESCE(dim2, '')
dim2, cnt FROM druid.foo) AS x\n"
+ + "GROUP BY GROUPING SETS ( (dim2, gran), (dim2), (gran), () )",
+ ImmutableList.of(
+ GroupByQuery.builder()
+ .setDataSource(CalciteTests.DATASOURCE1)
+ .setInterval(querySegmentSpec(Filtration.eternity()))
+ .setGranularity(Granularities.ALL)
+ .setVirtualColumns(
+ expressionVirtualColumn(
+ "v0",
+ "case_searched(notnull(\"dim2\"),\"dim2\",'')",
+ ValueType.STRING
+ ),
+ expressionVirtualColumn(
+ "v1",
+ "timestamp_floor(\"__time\",'P1M',null,'UTC')",
+ ValueType.LONG
+ )
+ )
+ .setDimensions(
+ dimensions(
+ new DefaultDimensionSpec("v0", "v0"),
+ new DefaultDimensionSpec("v1", "v1",
ValueType.LONG)
+ )
+ )
+ .setAggregatorSpecs(aggregators(new
LongSumAggregatorFactory("a0", "cnt")))
+ .setSubtotalsSpec(
+ ImmutableList.of(
+ ImmutableList.of("v0", "v1"),
+ ImmutableList.of("v0"),
+ ImmutableList.of("v1"),
+ ImmutableList.of()
+ )
+ )
+ .setContext(QUERY_CONTEXT_DEFAULT)
+ .build()
+ ),
+ ImmutableList.of(
+ new Object[]{"", timestamp("2000-01-01"), 2L},
+ new Object[]{"", timestamp("2001-01-01"), 1L},
+ new Object[]{"a", timestamp("2000-01-01"), 1L},
+ new Object[]{"a", timestamp("2001-01-01"), 1L},
+ new Object[]{"abc", timestamp("2001-01-01"), 1L},
+ new Object[]{"", null, 3L},
+ new Object[]{"a", null, 2L},
+ new Object[]{"abc", null, 1L},
+ new Object[]{NULL_VALUE, timestamp("2000-01-01"), 3L},
+ new Object[]{NULL_VALUE, timestamp("2001-01-01"), 3L},
+ new Object[]{NULL_VALUE, null, 6L}
+ )
+ );
+ }
+
+ @Test
+ public void testGroupingSetsWithNumericDimension() throws Exception
+ {
+ testQuery(
+ "SELECT cnt, COUNT(*)\n"
+ + "FROM foo\n"
+ + "GROUP BY GROUPING SETS ( (cnt), () )",
+ ImmutableList.of(
+ GroupByQuery.builder()
+ .setDataSource(CalciteTests.DATASOURCE1)
+ .setInterval(querySegmentSpec(Filtration.eternity()))
+ .setGranularity(Granularities.ALL)
+ .setDimensions(dimensions(new
DefaultDimensionSpec("cnt", "d0", ValueType.LONG)))
+ .setAggregatorSpecs(aggregators(new
CountAggregatorFactory("a0")))
+ .setSubtotalsSpec(
+ ImmutableList.of(
+ ImmutableList.of("d0"),
+ ImmutableList.of()
+ )
+ )
+ .setContext(QUERY_CONTEXT_DEFAULT)
+ .build()
+ ),
+ ImmutableList.of(
+ new Object[]{1L, 6L},
+ new Object[]{null, 6L}
+ )
+ );
+ }
+
+ @Test
+ public void testGroupByRollup() throws Exception
+ {
+ // Cannot vectorize due to virtual columns.
+ cannotVectorize();
+
+ testQuery(
+ "SELECT dim2, gran, SUM(cnt)\n"
+ + "FROM (SELECT FLOOR(__time TO MONTH) AS gran, COALESCE(dim2, '')
dim2, cnt FROM druid.foo) AS x\n"
+ + "GROUP BY ROLLUP (dim2, gran)",
Review comment:
OK, I'll add it.
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