Fix casting of scaled_float in sorts (#57207) (#57385)

Previously we'd get a `ClassCastException` when you tried to use
`numeric_type` on `scaled_float`. Oops! This cleans up the CCE and moves
some code around so the casting actually works.
This commit is contained in:
Nik Everett 2020-05-29 18:06:04 -04:00 committed by GitHub
parent 07c76f2894
commit f52e779806
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 235 additions and 196 deletions

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@ -29,14 +29,11 @@ import org.apache.lucene.index.Term;
import org.apache.lucene.search.BoostQuery;
import org.apache.lucene.search.DocValuesFieldExistsQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.common.Explicit;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentParser.Token;
@ -45,7 +42,6 @@ import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.fielddata.FieldData;
import org.elasticsearch.index.fielddata.IndexFieldData;
import org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested;
import org.elasticsearch.index.fielddata.IndexFieldDataCache;
import org.elasticsearch.index.fielddata.IndexNumericFieldData;
import org.elasticsearch.index.fielddata.LeafNumericFieldData;
@ -53,17 +49,13 @@ import org.elasticsearch.index.fielddata.NumericDoubleValues;
import org.elasticsearch.index.fielddata.ScriptDocValues;
import org.elasticsearch.index.fielddata.SortedBinaryDocValues;
import org.elasticsearch.index.fielddata.SortedNumericDoubleValues;
import org.elasticsearch.index.fielddata.fieldcomparator.DoubleValuesComparatorSource;
import org.elasticsearch.index.fielddata.plain.SortedNumericIndexFieldData;
import org.elasticsearch.index.mapper.NumberFieldMapper.Defaults;
import org.elasticsearch.index.query.QueryShardContext;
import org.elasticsearch.indices.breaker.CircuitBreakerService;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.MultiValueMode;
import org.elasticsearch.search.aggregations.support.CoreValuesSourceType;
import org.elasticsearch.search.aggregations.support.ValuesSourceType;
import org.elasticsearch.search.sort.BucketedSort;
import org.elasticsearch.search.sort.SortOrder;
import java.io.IOException;
import java.math.BigDecimal;
@ -499,7 +491,7 @@ public class ScaledFloatFieldMapper extends FieldMapper {
return doubleValue;
}
private static class ScaledFloatIndexFieldData implements IndexNumericFieldData {
private static class ScaledFloatIndexFieldData extends IndexNumericFieldData {
private final IndexNumericFieldData scaledFieldData;
private final double scalingFactor;
@ -525,16 +517,15 @@ public class ScaledFloatFieldMapper extends FieldMapper {
}
@Override
public SortField sortField(@Nullable Object missingValue, MultiValueMode sortMode, Nested nested, boolean reverse) {
final XFieldComparatorSource source = new DoubleValuesComparatorSource(this, missingValue, sortMode, nested);
return new SortField(getFieldName(), source, reverse);
}
@Override
public BucketedSort newBucketedSort(BigArrays bigArrays, Object missingValue, MultiValueMode sortMode, Nested nested,
SortOrder sortOrder, DocValueFormat format, int bucketSize, BucketedSort.ExtraData extra) {
return new DoubleValuesComparatorSource(this, missingValue, sortMode, nested)
.newBucketedSort(bigArrays, sortOrder, format, bucketSize, extra);
protected boolean sortRequiresCustomComparator() {
/*
* We need to use a custom comparator because the non-custom
* comparator wouldn't properly decode the long bits into the
* double. Sorting on the long representation *would* put the
* docs in order. We just don't have a way to convert the long
* into a double the right way afterwords.
*/
return true;
}
@Override
@ -549,7 +540,7 @@ public class ScaledFloatFieldMapper extends FieldMapper {
@Override
public NumericType getNumericType() {
/**
/*
* {@link ScaledFloatLeafFieldData#getDoubleValues()} transforms the raw long values in `scaled` floats.
*/
return NumericType.DOUBLE;

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@ -97,8 +97,28 @@ setup:
- do:
search:
rest_total_hits_as_int: true
body: { "size" : 1, "sort" : { "number" : { "order" : "asc" } } }
body:
size: 1
sort:
number:
order: asc
- match: { hits.total: 4 }
- match: { hits.total.value: 4 }
- match: { hits.hits.0._id: "3" }
- match: { hits.hits.0.sort.0: -2.1 }
---
"Sort with numeric_type":
- do:
search:
body:
size: 1
sort:
number:
order: asc
numeric_type: long
- match: { hits.total.value: 4 }
- match: { hits.hits.0._id: "3" }
- match: { hits.hits.0.sort.0: -2 }

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@ -19,31 +19,184 @@
package org.elasticsearch.index.fielddata;
public interface IndexNumericFieldData extends IndexFieldData<LeafNumericFieldData> {
import org.apache.lucene.index.SortedNumericDocValues;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.SortedNumericSelector;
import org.apache.lucene.search.SortedNumericSortField;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.time.DateUtils;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested;
import org.elasticsearch.index.fielddata.fieldcomparator.DoubleValuesComparatorSource;
import org.elasticsearch.index.fielddata.fieldcomparator.FloatValuesComparatorSource;
import org.elasticsearch.index.fielddata.fieldcomparator.LongValuesComparatorSource;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.MultiValueMode;
import org.elasticsearch.search.sort.BucketedSort;
import org.elasticsearch.search.sort.SortOrder;
enum NumericType {
BOOLEAN(false),
BYTE(false),
SHORT(false),
INT(false),
LONG(false),
DATE(false),
DATE_NANOSECONDS(false),
HALF_FLOAT(true),
FLOAT(true),
DOUBLE(true);
import java.io.IOException;
import java.util.function.LongUnaryOperator;
/**
* Base class for numeric field data.
*/
public abstract class IndexNumericFieldData implements IndexFieldData<LeafNumericFieldData> {
/**
* The type of number.
*/
public enum NumericType {
BOOLEAN(false, SortField.Type.LONG),
BYTE(false, SortField.Type.LONG),
SHORT(false, SortField.Type.LONG),
INT(false, SortField.Type.LONG),
LONG(false, SortField.Type.LONG),
DATE(false, SortField.Type.LONG),
DATE_NANOSECONDS(false, SortField.Type.LONG),
HALF_FLOAT(true, SortField.Type.LONG),
FLOAT(true, SortField.Type.FLOAT),
DOUBLE(true, SortField.Type.DOUBLE);
private final boolean floatingPoint;
private final SortField.Type sortFieldType;
NumericType(boolean floatingPoint) {
NumericType(boolean floatingPoint, SortField.Type sortFieldType) {
this.floatingPoint = floatingPoint;
this.sortFieldType = sortFieldType;
}
public final boolean isFloatingPoint() {
return floatingPoint;
}
}
NumericType getNumericType();
/**
* The numeric type of this number.
*/
public abstract NumericType getNumericType();
/**
* Returns the {@link SortField} to used for sorting.
* Values are casted to the provided <code>targetNumericType</code> type if it doesn't
* match the field's <code>numericType</code>.
*/
public final SortField sortField(
NumericType targetNumericType,
Object missingValue,
MultiValueMode sortMode,
Nested nested,
boolean reverse
) {
XFieldComparatorSource source = comparatorSource(targetNumericType, missingValue, sortMode, nested);
/*
* Use a SortField with the custom comparator logic if required because
* 1. The underlying data source needs it.
* 2. We need to read the value from a nested field.
* 3. We Aren't using max or min to resolve the duplicates.
* 4. We have to cast the results to another type.
*/
if (sortRequiresCustomComparator()
|| nested != null
|| (sortMode != MultiValueMode.MAX && sortMode != MultiValueMode.MIN)
|| targetNumericType != getNumericType()) {
return new SortField(getFieldName(), source, reverse);
}
SortedNumericSelector.Type selectorType = sortMode == MultiValueMode.MAX ?
SortedNumericSelector.Type.MAX : SortedNumericSelector.Type.MIN;
SortField sortField = new SortedNumericSortField(getFieldName(), getNumericType().sortFieldType, reverse, selectorType);
sortField.setMissingValue(source.missingObject(missingValue, reverse));
return sortField;
}
/**
* Does {@link #sortField} require a custom comparator because of the way
* the data is stored in doc values ({@code true}) or are the docs values
* stored such that they can be sorted without decoding ({@code false}).
*/
protected abstract boolean sortRequiresCustomComparator();
@Override
public final SortField sortField(Object missingValue, MultiValueMode sortMode, Nested nested, boolean reverse) {
return sortField(getNumericType(), missingValue, sortMode, nested, reverse);
}
/**
* Builds a {@linkplain BucketedSort} for the {@code targetNumericType},
* casting the values if their native type doesn't match.
*/
public final BucketedSort newBucketedSort(NumericType targetNumericType, BigArrays bigArrays, @Nullable Object missingValue,
MultiValueMode sortMode, Nested nested, SortOrder sortOrder, DocValueFormat format,
int bucketSize, BucketedSort.ExtraData extra) {
return comparatorSource(targetNumericType, missingValue, sortMode, nested)
.newBucketedSort(bigArrays, sortOrder, format, bucketSize, extra);
}
@Override
public final BucketedSort newBucketedSort(BigArrays bigArrays, @Nullable Object missingValue, MultiValueMode sortMode, Nested nested,
SortOrder sortOrder, DocValueFormat format, int bucketSize, BucketedSort.ExtraData extra) {
return newBucketedSort(getNumericType(), bigArrays, missingValue, sortMode, nested, sortOrder, format, bucketSize, extra);
}
/**
* Build a {@link XFieldComparatorSource} matching the parameters.
*/
private XFieldComparatorSource comparatorSource(
NumericType targetNumericType,
@Nullable Object missingValue,
MultiValueMode sortMode,
Nested nested
) {
switch (targetNumericType) {
case HALF_FLOAT:
case FLOAT:
return new FloatValuesComparatorSource(this, missingValue, sortMode, nested);
case DOUBLE:
return new DoubleValuesComparatorSource(this, missingValue, sortMode, nested);
case DATE:
return dateComparatorSource(missingValue, sortMode, nested);
case DATE_NANOSECONDS:
return dateNanosComparatorSource(missingValue, sortMode, nested);
default:
assert !targetNumericType.isFloatingPoint();
return new LongValuesComparatorSource(this, missingValue, sortMode, nested);
}
}
protected XFieldComparatorSource dateComparatorSource(@Nullable Object missingValue, MultiValueMode sortMode, Nested nested) {
return new LongValuesComparatorSource(this, missingValue, sortMode, nested);
}
protected XFieldComparatorSource dateNanosComparatorSource(@Nullable Object missingValue, MultiValueMode sortMode, Nested nested) {
return new LongValuesComparatorSource(this, missingValue, sortMode, nested, dvs -> convertNumeric(dvs, DateUtils::toNanoSeconds));
}
/**
* Convert the values in <code>dvs</code> using the provided <code>converter</code>.
*/
protected static SortedNumericDocValues convertNumeric(SortedNumericDocValues values, LongUnaryOperator converter) {
return new AbstractSortedNumericDocValues() {
@Override
public boolean advanceExact(int target) throws IOException {
return values.advanceExact(target);
}
@Override
public long nextValue() throws IOException {
return converter.applyAsLong(values.nextValue());
}
@Override
public int docValueCount() {
return values.docValueCount();
}
@Override
public int nextDoc() throws IOException {
return values.nextDoc();
}
};
}
}

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@ -26,17 +26,11 @@ import org.apache.lucene.index.LeafReader;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.NumericDocValues;
import org.apache.lucene.index.SortedNumericDocValues;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.SortedNumericSelector;
import org.apache.lucene.search.SortedNumericSortField;
import org.apache.lucene.util.Accountable;
import org.apache.lucene.util.NumericUtils;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.time.DateUtils;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.fielddata.AbstractSortedNumericDocValues;
import org.elasticsearch.index.fielddata.FieldData;
import org.elasticsearch.index.fielddata.IndexFieldData;
import org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested;
@ -45,28 +39,22 @@ import org.elasticsearch.index.fielddata.IndexNumericFieldData;
import org.elasticsearch.index.fielddata.LeafNumericFieldData;
import org.elasticsearch.index.fielddata.NumericDoubleValues;
import org.elasticsearch.index.fielddata.SortedNumericDoubleValues;
import org.elasticsearch.index.fielddata.fieldcomparator.DoubleValuesComparatorSource;
import org.elasticsearch.index.fielddata.fieldcomparator.FloatValuesComparatorSource;
import org.elasticsearch.index.fielddata.fieldcomparator.LongValuesComparatorSource;
import org.elasticsearch.index.mapper.MappedFieldType;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.indices.breaker.CircuitBreakerService;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.MultiValueMode;
import org.elasticsearch.search.sort.BucketedSort;
import org.elasticsearch.search.sort.SortOrder;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.Objects;
import java.util.function.LongUnaryOperator;
/**
* FieldData backed by {@link LeafReader#getSortedNumericDocValues(String)}
* @see DocValuesType#SORTED_NUMERIC
*/
public class SortedNumericIndexFieldData implements IndexNumericFieldData {
public class SortedNumericIndexFieldData extends IndexNumericFieldData {
public static class Builder implements IndexFieldData.Builder {
private final NumericType numericType;
@ -113,95 +101,29 @@ public class SortedNumericIndexFieldData implements IndexNumericFieldData {
return index;
}
/**
* Returns the {@link SortField} to used for sorting.
* Values are casted to the provided <code>targetNumericType</code> type if it doesn't
* match the field's <code>numericType</code>.
*/
public SortField sortField(NumericType targetNumericType, Object missingValue, MultiValueMode sortMode,
Nested nested, boolean reverse) {
final XFieldComparatorSource source = comparatorSource(targetNumericType, missingValue, sortMode, nested);
/**
* Check if we can use a simple {@link SortedNumericSortField} compatible with index sorting and
* returns a custom sort field otherwise.
*/
if (nested != null
|| (sortMode != MultiValueMode.MAX && sortMode != MultiValueMode.MIN)
|| numericType == NumericType.HALF_FLOAT
|| targetNumericType != numericType) {
return new SortField(fieldName, source, reverse);
}
final SortField sortField;
final SortedNumericSelector.Type selectorType = sortMode == MultiValueMode.MAX ?
SortedNumericSelector.Type.MAX : SortedNumericSelector.Type.MIN;
switch (numericType) {
case FLOAT:
sortField = new SortedNumericSortField(fieldName, SortField.Type.FLOAT, reverse, selectorType);
break;
case DOUBLE:
sortField = new SortedNumericSortField(fieldName, SortField.Type.DOUBLE, reverse, selectorType);
break;
default:
assert !numericType.isFloatingPoint();
sortField = new SortedNumericSortField(fieldName, SortField.Type.LONG, reverse, selectorType);
break;
}
sortField.setMissingValue(source.missingObject(missingValue, reverse));
return sortField;
@Override
protected boolean sortRequiresCustomComparator() {
return numericType == NumericType.HALF_FLOAT;
}
@Override
public SortField sortField(Object missingValue, MultiValueMode sortMode, Nested nested, boolean reverse) {
return sortField(numericType, missingValue, sortMode, nested, reverse);
}
/**
* Builds a {@linkplain BucketedSort} for the {@code targetNumericType},
* casting the values if their native type doesn't match.
*/
public BucketedSort newBucketedSort(NumericType targetNumericType, BigArrays bigArrays, @Nullable Object missingValue,
MultiValueMode sortMode, Nested nested, SortOrder sortOrder, DocValueFormat format,
int bucketSize, BucketedSort.ExtraData extra) {
return comparatorSource(targetNumericType, missingValue, sortMode, nested)
.newBucketedSort(bigArrays, sortOrder, format, bucketSize, extra);
}
@Override
public BucketedSort newBucketedSort(BigArrays bigArrays, @Nullable Object missingValue, MultiValueMode sortMode, Nested nested,
SortOrder sortOrder, DocValueFormat format, int bucketSize, BucketedSort.ExtraData extra) {
return newBucketedSort(numericType, bigArrays, missingValue, sortMode, nested, sortOrder, format, bucketSize, extra);
}
private XFieldComparatorSource comparatorSource(NumericType targetNumericType, @Nullable Object missingValue, MultiValueMode sortMode,
Nested nested) {
switch (targetNumericType) {
case HALF_FLOAT:
case FLOAT:
return new FloatValuesComparatorSource(this, missingValue, sortMode, nested);
case DOUBLE:
return new DoubleValuesComparatorSource(this, missingValue, sortMode, nested);
case DATE:
if (numericType == NumericType.DATE_NANOSECONDS) {
// converts date values to nanosecond resolution
return new LongValuesComparatorSource(this, missingValue,
sortMode, nested, dvs -> convertNanosToMillis(dvs));
}
return new LongValuesComparatorSource(this, missingValue, sortMode, nested);
case DATE_NANOSECONDS:
if (numericType == NumericType.DATE) {
// converts date_nanos values to millisecond resolution
return new LongValuesComparatorSource(this, missingValue,
sortMode, nested, dvs -> convertMillisToNanos(dvs));
}
return new LongValuesComparatorSource(this, missingValue, sortMode, nested);
default:
assert !targetNumericType.isFloatingPoint();
return new LongValuesComparatorSource(this, missingValue, sortMode, nested);
protected XFieldComparatorSource dateComparatorSource(Object missingValue, MultiValueMode sortMode, Nested nested) {
if (numericType == NumericType.DATE_NANOSECONDS) {
// converts date values to nanosecond resolution
return new LongValuesComparatorSource(this, missingValue,
sortMode, nested, dvs -> convertNumeric(dvs, DateUtils::toMilliSeconds));
}
return new LongValuesComparatorSource(this, missingValue, sortMode, nested);
}
@Override
protected XFieldComparatorSource dateNanosComparatorSource(Object missingValue, MultiValueMode sortMode, Nested nested) {
if (numericType == NumericType.DATE) {
// converts date_nanos values to millisecond resolution
return new LongValuesComparatorSource(this, missingValue,
sortMode, nested, dvs -> convertNumeric(dvs, DateUtils::toNanoSeconds));
}
return new LongValuesComparatorSource(this, missingValue, sortMode, nested);
}
@Override
@ -250,7 +172,7 @@ public class SortedNumericIndexFieldData implements IndexNumericFieldData {
@Override
public SortedNumericDocValues getLongValues() {
return convertNanosToMillis(getLongValuesAsNanos());
return convertNumeric(getLongValuesAsNanos(), DateUtils::toMilliSeconds);
}
public SortedNumericDocValues getLongValuesAsNanos() {
@ -520,47 +442,4 @@ public class SortedNumericIndexFieldData implements IndexNumericFieldData {
return Collections.emptyList();
}
}
/**
* Convert the values in <code>dvs</code> from nanosecond to millisecond resolution.
*/
static SortedNumericDocValues convertNanosToMillis(SortedNumericDocValues dvs) {
return convertNumeric(dvs, DateUtils::toMilliSeconds);
}
/**
* Convert the values in <code>dvs</code> from millisecond to nanosecond resolution.
*/
static SortedNumericDocValues convertMillisToNanos(SortedNumericDocValues values) {
return convertNumeric(values, DateUtils::toNanoSeconds);
}
/**
* Convert the values in <code>dvs</code> using the provided <code>converter</code>.
*/
private static SortedNumericDocValues convertNumeric(SortedNumericDocValues values, LongUnaryOperator converter) {
return new AbstractSortedNumericDocValues() {
@Override
public boolean advanceExact(int target) throws IOException {
return values.advanceExact(target);
}
@Override
public long nextValue() throws IOException {
return converter.applyAsLong(values.nextValue());
}
@Override
public int docValueCount() {
return values.docValueCount();
}
@Override
public int nextDoc() throws IOException {
return values.nextDoc();
}
};
}
}

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@ -44,7 +44,6 @@ import org.elasticsearch.index.fielddata.IndexFieldData;
import org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested;
import org.elasticsearch.index.fielddata.IndexNumericFieldData;
import org.elasticsearch.index.fielddata.IndexNumericFieldData.NumericType;
import org.elasticsearch.index.fielddata.plain.SortedNumericIndexFieldData;
import org.elasticsearch.index.mapper.DateFieldMapper.DateFieldType;
import org.elasticsearch.index.mapper.KeywordFieldMapper;
import org.elasticsearch.index.mapper.MappedFieldType;
@ -53,9 +52,9 @@ import org.elasticsearch.index.query.QueryBuilder;
import org.elasticsearch.index.query.QueryRewriteContext;
import org.elasticsearch.index.query.QueryShardContext;
import org.elasticsearch.index.query.QueryShardException;
import org.elasticsearch.search.SearchSortValuesAndFormats;
import org.elasticsearch.search.DocValueFormat;
import org.elasticsearch.search.MultiValueMode;
import org.elasticsearch.search.SearchSortValuesAndFormats;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import java.io.IOException;
@ -411,7 +410,7 @@ public class FieldSortBuilder extends SortBuilder<FieldSortBuilder> {
throw new QueryShardException(context,
"[numeric_type] option cannot be set on a non-numeric field, got " + fieldType.typeName());
}
SortedNumericIndexFieldData numericFieldData = (SortedNumericIndexFieldData) fieldData;
IndexNumericFieldData numericFieldData = (IndexNumericFieldData) fieldData;
NumericType resolvedType = resolveNumericType(numericType);
field = numericFieldData.sortField(resolvedType, missing, localSortMode(), nested, reverse);
} else {
@ -487,7 +486,11 @@ public class FieldSortBuilder extends SortBuilder<FieldSortBuilder> {
throw new QueryShardException(context, "we only support AVG, MEDIAN and SUM on number based fields");
}
if (numericType != null) {
SortedNumericIndexFieldData numericFieldData = (SortedNumericIndexFieldData) fieldData;
if (fieldData instanceof IndexNumericFieldData == false) {
throw new QueryShardException(context,
"[numeric_type] option cannot be set on a non-numeric field, got " + fieldType.typeName());
}
IndexNumericFieldData numericFieldData = (IndexNumericFieldData) fieldData;
NumericType resolvedType = resolveNumericType(numericType);
return numericFieldData.newBucketedSort(resolvedType, context.bigArrays(), missing, localSortMode(), nested, order,
fieldType.docValueFormat(null, null), bucketSize, extra);

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@ -54,11 +54,11 @@ import org.elasticsearch.common.lucene.search.function.ScoreFunction;
import org.elasticsearch.common.lucene.search.function.WeightFactorFunction;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.fielddata.LeafFieldData;
import org.elasticsearch.index.fielddata.LeafNumericFieldData;
import org.elasticsearch.index.fielddata.IndexFieldData;
import org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested;
import org.elasticsearch.index.fielddata.IndexNumericFieldData;
import org.elasticsearch.index.fielddata.LeafFieldData;
import org.elasticsearch.index.fielddata.LeafNumericFieldData;
import org.elasticsearch.index.fielddata.ScriptDocValues;
import org.elasticsearch.index.fielddata.SortedBinaryDocValues;
import org.elasticsearch.index.fielddata.SortedNumericDoubleValues;
@ -169,7 +169,7 @@ public class FunctionScoreTests extends ESTestCase {
/**
* Stub for IndexNumericFieldData needed by some score functions. Returns 1 as value always.
*/
private static class IndexNumericFieldDataStub implements IndexNumericFieldData {
private static class IndexNumericFieldDataStub extends IndexNumericFieldData {
@Override
public NumericType getNumericType() {
@ -241,15 +241,8 @@ public class FunctionScoreTests extends ESTestCase {
}
@Override
public SortField sortField(@Nullable Object missingValue, MultiValueMode sortMode,
XFieldComparatorSource.Nested nested, boolean reverse) {
throw new UnsupportedOperationException(UNSUPPORTED);
}
@Override
public BucketedSort newBucketedSort(BigArrays bigArrays, Object missingValue, MultiValueMode sortMode, Nested nested,
SortOrder sortOrder, DocValueFormat format, int bucketSize, BucketedSort.ExtraData extra) {
throw new UnsupportedOperationException(UNSUPPORTED);
protected boolean sortRequiresCustomComparator() {
return false;
}
@Override