Skip to content

Commit

Permalink
Remove filter rewrite optimization for range aggregations when segmen…
Browse files Browse the repository at this point in the history
…t is not effective match all (opensearch-project#15194)



---------

Signed-off-by: Finn Carroll <[email protected]>
  • Loading branch information
finnegancarroll authored and wangdongyu.danny committed Aug 22, 2024
1 parent 3788330 commit 00bf0d8
Show file tree
Hide file tree
Showing 8 changed files with 320 additions and 22 deletions.
1 change: 1 addition & 0 deletions CHANGELOG.md
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
- Fix delete index template failed when the index template matches a data stream but is unused ([#15080](https://github.com/opensearch-project/OpenSearch/pull/15080))
- Fix array_index_out_of_bounds_exception when indexing documents with field name containing only dot ([#15126](https://github.com/opensearch-project/OpenSearch/pull/15126))
- Fixed array field name omission in flat_object function for nested JSON ([#13620](https://github.com/opensearch-project/OpenSearch/pull/13620))
- Fix range aggregation optimization ignoring top level queries ([#15194](https://github.com/opensearch-project/OpenSearch/pull/15194))

### Security

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -61,3 +61,94 @@ setup:
- match: { aggregations.histo.buckets.8.doc_count: 1 }
- match: { aggregations.histo.buckets.12.key_as_string: "2016-06-01T00:00:00.000Z" }
- match: { aggregations.histo.buckets.12.doc_count: 1 }

---
"Date histogram aggregation w/ filter query test":
- skip:
version: " - 2.99.99"
reason: Backport fix to 2.16

- do:
bulk:
refresh: true
index: dhisto-agg-w-query
body:
- '{"index": {}}'
- '{"routing": "route1", "date": "2024-08-12", "dow": "monday"}'
- '{"index": {}}'
- '{"routing": "route1", "date": "2024-08-14", "dow": "wednesday"}'
- '{"index": {}}'
- '{"routing": "route1", "date": "2024-08-19", "dow": "monday"}'
- '{"index": {}}'
- '{"routing": "route2", "date": "2024-08-13", "dow": "tuesday"}'
- '{"index": {}}'
- '{"routing": "route2", "date": "2024-08-15", "dow": "thursday"}'

- do:
search:
index: dhisto-agg-w-query
body:
query:
bool:
must:
match_all: {}
filter:
- terms:
routing:
- "route1"
aggregations:
weekHisto:
date_histogram:
field: date
calendar_interval: week
_source: false

- match: { hits.total.value: 3 }
- match: { aggregations.weekHisto.buckets.0.doc_count: 2 }
- match: { aggregations.weekHisto.buckets.1.doc_count: 1 }

---
"Date histogram aggregation w/ shared field range test":
- do:
bulk:
refresh: true
index: dhisto-agg-w-query
body:
- '{"index": {}}'
- '{"date": "2024-10-31"}'
- '{"index": {}}'
- '{"date": "2024-11-11"}'
- '{"index": {}}'
- '{"date": "2024-11-28"}'
- '{"index": {}}'
- '{"date": "2024-12-25"}'
- '{"index": {}}'
- '{"date": "2025-01-01"}'
- '{"index": {}}'
- '{"date": "2025-02-14"}'

- do:
search:
index: dhisto-agg-w-query
body:
profile: true
query:
range:
date:
gte: "2024-01-01"
lt: "2025-01-01"
aggregations:
monthHisto:
date_histogram:
field: date
calendar_interval: month
_source: false

- match: { hits.total.value: 4 }
- match: { aggregations.monthHisto.buckets.0.doc_count: 1 }
- match: { aggregations.monthHisto.buckets.1.doc_count: 2 }
- match: { aggregations.monthHisto.buckets.2.doc_count: 1 }
- match: { profile.shards.0.aggregations.0.debug.optimized_segments: 1 }
- match: { profile.shards.0.aggregations.0.debug.unoptimized_segments: 0 }
- match: { profile.shards.0.aggregations.0.debug.leaf_visited: 0 }
- match: { profile.shards.0.aggregations.0.debug.inner_visited: 0 }
Original file line number Diff line number Diff line change
Expand Up @@ -673,3 +673,82 @@ setup:
- match: { aggregations.my_range.buckets.3.from: 1.5 }
- is_false: aggregations.my_range.buckets.3.to
- match: { aggregations.my_range.buckets.3.doc_count: 2 }

---
"Filter query w/ aggregation test":
- skip:
version: " - 2.99.99"
reason: Backport fix to 2.16

- do:
bulk:
refresh: true
index: range-agg-w-query
body:
- '{"index": {}}'
- '{"routing": "route1", "v": -10, "date": "2024-10-29"}'
- '{"index": {}}'
- '{"routing": "route1", "v": -5, "date": "2024-10-30"}'
- '{"index": {}}'
- '{"routing": "route1", "v": 10, "date": "2024-10-31"}'
- '{"index": {}}'
- '{"routing": "route2", "v": 15, "date": "2024-11-01"}'
- '{"index": {}}'
- '{"routing": "route2", "v": 20, "date": "2024-11-02"}'

- do:
search:
index: range-agg-w-query
body:
query:
bool:
must:
match_all: {}
filter:
- terms:
routing:
- "route1"
aggregations:
NegPosAgg:
range:
field: v
keyed: true
ranges:
- to: 0
key: "0"
- from: 0
key: "1"
_source: false

- match: { hits.total.value: 3 }
- match: { aggregations.NegPosAgg.buckets.0.doc_count: 2 }
- match: { aggregations.NegPosAgg.buckets.1.doc_count: 1 }

- do:
search:
index: range-agg-w-query
body:
query:
bool:
must:
match_all: {}
filter:
- terms:
routing:
- "route1"
aggregations:
HalloweenAgg:
date_range:
field: date
format: "yyyy-MM-dd"
keyed: true
ranges:
- to: "2024-11-01"
key: "to-october"
- from: "2024-11-01"
key: "from-september"
_source: false

- match: { hits.total.value: 3 }
- match: { aggregations.HalloweenAgg.buckets.to-october.doc_count: 3 }
- match: { aggregations.HalloweenAgg.buckets.from-september.doc_count: 0 }
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,10 @@

import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.PointValues;
import org.apache.lucene.search.ScoreMode;
import org.apache.lucene.search.Weight;
import org.opensearch.index.mapper.MappedFieldType;
import org.opensearch.search.internal.SearchContext;

import java.io.IOException;
import java.util.function.BiConsumer;
Expand Down Expand Up @@ -81,4 +84,19 @@ abstract FilterRewriteOptimizationContext.DebugInfo tryOptimize(
BiConsumer<Long, Long> incrementDocCount,
Ranges ranges
) throws IOException;

/**
* Checks whether the top level query matches all documents on the segment
*
* <p>This method creates a weight from the search context's query and checks whether the weight's
* document count matches the total number of documents in the leaf reader context.
*
* @param ctx the search context
* @param leafCtx the leaf reader context for the segment
* @return {@code true} if the segment matches all documents, {@code false} otherwise
*/
public static boolean segmentMatchAll(SearchContext ctx, LeafReaderContext leafCtx) throws IOException {
Weight weight = ctx.query().rewrite(ctx.searcher()).createWeight(ctx.searcher(), ScoreMode.COMPLETE_NO_SCORES, 1f);
return weight != null && weight.count(leafCtx) == leafCtx.reader().numDocs();
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,6 @@
import org.apache.lucene.document.LongPoint;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.PointValues;
import org.apache.lucene.search.ScoreMode;
import org.apache.lucene.search.Weight;
import org.opensearch.common.Rounding;
import org.opensearch.index.mapper.DateFieldMapper;
import org.opensearch.index.mapper.MappedFieldType;
Expand Down Expand Up @@ -156,19 +154,4 @@ private static long getBucketOrd(long bucketOrd) {
* Provides a function to produce bucket ordinals from the lower bound of the range
*/
protected abstract Function<Long, Long> bucketOrdProducer();

/**
* Checks whether the top level query matches all documents on the segment
*
* <p>This method creates a weight from the search context's query and checks whether the weight's
* document count matches the total number of documents in the leaf reader context.
*
* @param ctx the search context
* @param leafCtx the leaf reader context for the segment
* @return {@code true} if the segment matches all documents, {@code false} otherwise
*/
public static boolean segmentMatchAll(SearchContext ctx, LeafReaderContext leafCtx) throws IOException {
Weight weight = ctx.query().rewrite(ctx.searcher()).createWeight(ctx.searcher(), ScoreMode.COMPLETE_NO_SCORES, 1f);
return weight != null && weight.count(leafCtx) == leafCtx.reader().numDocs();
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -80,7 +80,6 @@ final FilterRewriteOptimizationContext.DebugInfo tryOptimize(
Ranges ranges
) throws IOException {
int size = Integer.MAX_VALUE;

BiConsumer<Integer, Integer> incrementFunc = (activeIndex, docCount) -> {
long bucketOrd = bucketOrdProducer().apply(activeIndex);
incrementDocCount.accept(bucketOrd, (long) docCount);
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,7 @@
import java.util.function.Function;

import static org.opensearch.core.xcontent.ConstructingObjectParser.optionalConstructorArg;
import static org.opensearch.search.aggregations.bucket.filterrewrite.AggregatorBridge.segmentMatchAll;

/**
* Aggregate all docs that match given ranges.
Expand Down Expand Up @@ -310,8 +311,9 @@ public ScoreMode scoreMode() {

@Override
public LeafBucketCollector getLeafCollector(LeafReaderContext ctx, final LeafBucketCollector sub) throws IOException {
boolean optimized = filterRewriteOptimizationContext.tryOptimize(ctx, this::incrementBucketDocCount, false);
if (optimized) throw new CollectionTerminatedException();
if (segmentMatchAll(context, ctx) && filterRewriteOptimizationContext.tryOptimize(ctx, this::incrementBucketDocCount, false)) {
throw new CollectionTerminatedException();
}

final SortedNumericDoubleValues values = valuesSource.doubleValues(ctx);
return new LeafBucketCollectorBase(sub, values) {
Expand Down
Loading

0 comments on commit 00bf0d8

Please sign in to comment.