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fix order by double sum agg

This commit is contained in:
fjy 2013-05-08 10:14:40 -07:00
parent 913cf37060
commit 43d3c53806
2 changed files with 41 additions and 1 deletions
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3
common/src/main/java/com/metamx/druid/aggregation/DoubleSumAggregator.java
View File

@ -19,6 +19,7 @@
package com.metamx.druid.aggregation;
import com.google.common.primitives.Doubles;
import com.metamx.druid.processing.FloatMetricSelector;
import java.util.Comparator;
@ -32,7 +33,7 @@ public class DoubleSumAggregator implements Aggregator
@Override
public int compare(Object o, Object o1)
{
return ((Double) o).compareTo((Double) o1);
return Doubles.compare(((Number) o).doubleValue(), ((Number) o1).doubleValue());
}
};

39
server/src/test/java/com/metamx/druid/query/group/GroupByQueryRunnerTest.java
View File

@ -32,6 +32,7 @@ import com.metamx.druid.Query;
import com.metamx.druid.QueryGranularity;
import com.metamx.druid.TestHelper;
import com.metamx.druid.aggregation.AggregatorFactory;
import com.metamx.druid.aggregation.DoubleSumAggregatorFactory;
import com.metamx.druid.aggregation.LongSumAggregatorFactory;
import com.metamx.druid.collect.StupidPool;
import com.metamx.druid.input.MapBasedRow;
@ -361,7 +362,45 @@ public class GroupByQueryRunnerTest
TestHelper.assertExpectedObjects(
Iterables.limit(expectedResults, 5), mergeRunner.run(builder.limit(5).build()), "limited"
);
}
@Test
public void testGroupByWithOrderLimit3() throws Exception
{
GroupByQuery.Builder builder = GroupByQuery
.builder()
.setDataSource(QueryRunnerTestHelper.dataSource)
.setInterval("2011-04-02/2011-04-04")
.setDimensions(Lists.<DimensionSpec>newArrayList(new DefaultDimensionSpec("quality", "alias")))
.setAggregatorSpecs(
Arrays.<AggregatorFactory>asList(
QueryRunnerTestHelper.rowsCount,
new DoubleSumAggregatorFactory("idx", "index")
)
)
.addOrderByColumn("idx", "desc")
.addOrderByColumn("alias", "d")
.setGranularity(new PeriodGranularity(new Period("P1M"), null, null));
final GroupByQuery query = builder.build();
List<Row> expectedResults = Arrays.asList(
createExpectedRow("2011-04-01", "alias", "mezzanine", "rows", 6L, "idx", 4423.6533203125D),
createExpectedRow("2011-04-01", "alias", "premium", "rows", 6L, "idx", 4418.61865234375D),
createExpectedRow("2011-04-01", "alias", "entertainment", "rows", 2L, "idx", 319.94403076171875D),
createExpectedRow("2011-04-01", "alias", "automotive", "rows", 2L, "idx", 270.3977966308594D),
createExpectedRow("2011-04-01", "alias", "travel", "rows", 2L, "idx", 243.65843200683594D),
createExpectedRow("2011-04-01", "alias", "news", "rows", 2L, "idx", 222.20980834960938D),
createExpectedRow("2011-04-01", "alias", "business", "rows", 2L, "idx", 218.7224884033203D),
createExpectedRow("2011-04-01", "alias", "health", "rows", 2L, "idx", 216.97836303710938D),
createExpectedRow("2011-04-01", "alias", "technology", "rows", 2L, "idx", 178.24917602539062D)
);
QueryRunner<Row> mergeRunner = new GroupByQueryQueryToolChest().mergeResults(runner);
TestHelper.assertExpectedObjects(expectedResults, mergeRunner.run(query), "no-limit");
TestHelper.assertExpectedObjects(
Iterables.limit(expectedResults, 5), mergeRunner.run(builder.limit(5).build()), "limited"
);
}
private Row createExpectedRow(final String timestamp, Object... vals)