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Merge pull request #1532 from metamx/fixTopNDimExtractionDoubleApply 

Fix TopN dimension extractions being applied twice
This commit is contained in:
Xavier Léauté 2015-07-16 13:39:02 -07:00
parent 3a0793aaf9 9092c665b7
commit c1308203b8
2 changed files with 129 additions and 5 deletions
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6
processing/src/main/java/io/druid/query/topn/TopNQueryQueryToolChest.java
View File

@ -238,9 +238,6 @@ public class TopNQueryQueryToolChest extends QueryToolChest<Result<TopNResultVal
final TopNQuery query, final MetricManipulationFn fn
)
{
final ExtractionFn extractionFn = TopNQueryEngine.canApplyExtractionInPost(query)
? query.getDimensionSpec().getExtractionFn()
: null;
return new Function<Result<TopNResultValue>, Result<TopNResultValue>>()
{
private String dimension = query.getDimensionSpec().getOutputName();
@ -284,8 +281,7 @@ public class TopNQueryQueryToolChest extends QueryToolChest<Result<TopNResultVal
values.put(name, fn.manipulate(aggregatorFactories[i], input.getMetric(name)));
}
final Object dimValue = input.getDimensionValue(dimension);
values.put(dimension, extractionFn == null ? dimValue : extractionFn.apply(dimValue));
values.put(dimension, input.getDimensionValue(dimension));
return values;
}

128
processing/src/test/java/io/druid/query/topn/TopNQueryRunnerTest.java
View File

@ -1610,6 +1610,134 @@ public class TopNQueryRunnerTest
assertExpectedResults(expectedResults, query);
}
@Test
public void testTopNDimExtractionFastTopNOptimalWithReplaceMissing()
{
TopNQuery query = new TopNQueryBuilder()
.dataSource(QueryRunnerTestHelper.dataSource)
.granularity(QueryRunnerTestHelper.allGran)
.dimension(
new ExtractionDimensionSpec(
QueryRunnerTestHelper.marketDimension,
QueryRunnerTestHelper.marketDimension,
new LookupExtractionFn(
new MapLookupExtractor(
ImmutableMap.of(
"spot", "2spot0",
"total_market", "1total_market0",
"upfront", "3upfront0"
)
), false, "MISSING", true
),
null
)
)
.metric("rows")
.threshold(4)
.intervals(QueryRunnerTestHelper.firstToThird)
.aggregators(QueryRunnerTestHelper.commonAggregators)
.postAggregators(Arrays.<PostAggregator>asList(QueryRunnerTestHelper.addRowsIndexConstant))
.build();
List<Result<TopNResultValue>> expectedResults = Arrays.asList(
new Result<>(
new DateTime("2011-04-01T00:00:00.000Z"),
new TopNResultValue(
Arrays.<Map<String, Object>>asList(
ImmutableMap.<String, Object>of(
QueryRunnerTestHelper.marketDimension, "2spot0",
"rows", 18L,
"index", 2231.8768157958984D,
"addRowsIndexConstant", 2250.8768157958984D,
"uniques", QueryRunnerTestHelper.UNIQUES_9
),
ImmutableMap.<String, Object>of(
QueryRunnerTestHelper.marketDimension, "1total_market0",
"rows", 4L,
"index", 5351.814697265625D,
"addRowsIndexConstant", 5356.814697265625D,
"uniques", QueryRunnerTestHelper.UNIQUES_2
),
ImmutableMap.<String, Object>of(
QueryRunnerTestHelper.marketDimension, "3upfront0",
"rows", 4L,
"index", 4875.669677734375D,
"addRowsIndexConstant", 4880.669677734375D,
"uniques", QueryRunnerTestHelper.UNIQUES_2
)
)
)
)
);
assertExpectedResults(expectedResults, query);
}
@Test
public void testTopNDimExtractionFastTopNUnOptimalWithReplaceMissing()
{
TopNQuery query = new TopNQueryBuilder()
.dataSource(QueryRunnerTestHelper.dataSource)
.granularity(QueryRunnerTestHelper.allGran)
.dimension(
new ExtractionDimensionSpec(
QueryRunnerTestHelper.marketDimension,
QueryRunnerTestHelper.marketDimension,
new LookupExtractionFn(
new MapLookupExtractor(
ImmutableMap.of(
"spot", "2spot0",
"total_market", "1total_market0",
"upfront", "3upfront0"
)
), false, "MISSING", false
),
null
)
)
.metric("rows")
.threshold(4)
.intervals(QueryRunnerTestHelper.firstToThird)
.aggregators(QueryRunnerTestHelper.commonAggregators)
.postAggregators(Arrays.<PostAggregator>asList(QueryRunnerTestHelper.addRowsIndexConstant))
.build();
List<Result<TopNResultValue>> expectedResults = Arrays.asList(
new Result<>(
new DateTime("2011-04-01T00:00:00.000Z"),
new TopNResultValue(
Arrays.<Map<String, Object>>asList(
ImmutableMap.<String, Object>of(
QueryRunnerTestHelper.marketDimension, "2spot0",
"rows", 18L,
"index", 2231.8768157958984D,
"addRowsIndexConstant", 2250.8768157958984D,
"uniques", QueryRunnerTestHelper.UNIQUES_9
),
ImmutableMap.<String, Object>of(
QueryRunnerTestHelper.marketDimension, "1total_market0",
"rows", 4L,
"index", 5351.814697265625D,
"addRowsIndexConstant", 5356.814697265625D,
"uniques", QueryRunnerTestHelper.UNIQUES_2
),
ImmutableMap.<String, Object>of(
QueryRunnerTestHelper.marketDimension, "3upfront0",
"rows", 4L,
"index", 4875.669677734375D,
"addRowsIndexConstant", 4880.669677734375D,
"uniques", QueryRunnerTestHelper.UNIQUES_2
)
)
)
)
);
assertExpectedResults(expectedResults, query);
}
@Test
// Test a "direct" query
public void testTopNDimExtractionFastTopNOptimal()