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Simplify EsqlQueryResponse #129031

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54ed9c5
Simplify EsqlQueryResponse
idegtiarenko Jun 6, 2025
1aae75a
fix compilation
idegtiarenko Jun 6, 2025
01b90cc
Merge branch 'main' into simplify_esql_response
idegtiarenko Jun 6, 2025
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144 changes: 56 additions & 88 deletions x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/action/EsqlQueryResponse.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Supplier;

import static org.elasticsearch.TransportVersions.ESQL_DOCUMENTS_FOUND_AND_VALUES_LOADED;

Expand Down Expand Up @@ -122,7 +123,7 @@ static EsqlQueryResponse deserialize(BlockStreamInput in) throws IOException {
long documentsFound = in.getTransportVersion().onOrAfter(ESQL_DOCUMENTS_FOUND_AND_VALUES_LOADED) ? in.readVLong() : 0;
long valuesLoaded = in.getTransportVersion().onOrAfter(ESQL_DOCUMENTS_FOUND_AND_VALUES_LOADED) ? in.readVLong() : 0;
if (in.getTransportVersion().onOrAfter(TransportVersions.V_8_12_0)) {
profile = in.readOptionalWriteable(Profile::new);
profile = in.readOptionalWriteable(Profile::readFrom);
}
boolean columnar = in.readBoolean();
EsqlExecutionInfo executionInfo = null;
Expand Down Expand Up @@ -224,75 +225,68 @@ public EsqlExecutionInfo getExecutionInfo() {
return executionInfo;
}

private Iterator<? extends ToXContent> asyncPropertiesOrEmpty() {
if (isAsync) {
return ChunkedToXContentHelper.chunk((builder, params) -> {
if (asyncExecutionId != null) {
builder.field("id", asyncExecutionId);
}
builder.field("is_running", isRunning);
return builder;
});
} else {
return Collections.emptyIterator();
}
}

@Override
public Iterator<? extends ToXContent> toXContentChunked(ToXContent.Params params) {
boolean dropNullColumns = params.paramAsBoolean(DROP_NULL_COLUMNS_OPTION, false);
boolean[] nullColumns = dropNullColumns ? nullColumns() : null;

Iterator<ToXContent> tookTime;
if (executionInfo != null && executionInfo.overallTook() != null) {
tookTime = ChunkedToXContentHelper.chunk(
(builder, p) -> builder.field("took", executionInfo.overallTook().millis())
.field(EsqlExecutionInfo.IS_PARTIAL_FIELD.getPreferredName(), executionInfo.isPartial())
);
} else {
tookTime = Collections.emptyIterator();
}

Iterator<ToXContent> meta = ChunkedToXContentHelper.chunk((builder, p) -> {
builder.field("documents_found", documentsFound);
builder.field("values_loaded", valuesLoaded);
return builder;
});

Iterator<? extends ToXContent> columnHeadings = dropNullColumns
? Iterators.concat(
ResponseXContentUtils.allColumns(columns, "all_columns"),
ResponseXContentUtils.nonNullColumns(columns, nullColumns, "columns")
)
: ResponseXContentUtils.allColumns(columns, "columns");
Iterator<? extends ToXContent> valuesIt = ResponseXContentUtils.columnValues(this.columns, this.pages, columnar, nullColumns);
Iterator<ToXContent> executionInfoRender = executionInfo != null && executionInfo.hasMetadataToReport()
? ChunkedToXContentHelper.field("_clusters", executionInfo, params)
: Collections.emptyIterator();
return Iterators.concat(
ChunkedToXContentHelper.startObject(),
asyncPropertiesOrEmpty(),
tookTime,
meta,
columnHeadings,
ChunkedToXContentHelper.array("values", valuesIt),
executionInfoRender,
profileRenderer(params),
conditionalChunkedXContent(isAsync, () -> ChunkedToXContentHelper.chunk((builder, p) -> {
if (asyncExecutionId != null) {
builder.field("id", asyncExecutionId);
}
builder.field("is_running", isRunning);
return builder;
})),
conditionalChunkedXContent(
executionInfo != null && executionInfo.overallTook() != null,
() -> ChunkedToXContentHelper.chunk(
(builder, p) -> builder //
.field("took", executionInfo.overallTook().millis())
.field(EsqlExecutionInfo.IS_PARTIAL_FIELD.getPreferredName(), executionInfo.isPartial())
)
),
ChunkedToXContentHelper.chunk(
(builder, p) -> builder //
.field("documents_found", documentsFound)
.field("values_loaded", valuesLoaded)
),
dropNullColumns
? Iterators.concat(
ResponseXContentUtils.allColumns(columns, "all_columns"),
ResponseXContentUtils.nonNullColumns(columns, nullColumns, "columns")
)
: ResponseXContentUtils.allColumns(columns, "columns"),
ChunkedToXContentHelper.array("values", ResponseXContentUtils.columnValues(this.columns, this.pages, columnar, nullColumns)),
conditionalChunkedXContent(
executionInfo != null && executionInfo.hasMetadataToReport(),
() -> ChunkedToXContentHelper.field("_clusters", executionInfo, params)
),
conditionalChunkedXContent(
profile != null,
() -> Iterators.concat(
ChunkedToXContentHelper.startObject("profile"), //
ChunkedToXContentHelper.chunk((b, p) -> {
if (executionInfo != null) {
b.field("query", executionInfo.overallTimeSpan());
b.field("planning", executionInfo.planningTimeSpan());
}
return b;
}),
ChunkedToXContentHelper.array("drivers", profile.drivers.iterator(), params),
ChunkedToXContentHelper.endObject()
)
),
ChunkedToXContentHelper.endObject()
);
}

private Iterator<ToXContent> profileRenderer(ToXContent.Params params) {
if (profile == null) {
return Collections.emptyIterator();
}
return Iterators.concat(ChunkedToXContentHelper.startObject("profile"), ChunkedToXContentHelper.chunk((b, p) -> {
if (executionInfo != null) {
b.field("query", executionInfo.overallTimeSpan());
b.field("planning", executionInfo.planningTimeSpan());
}
return b;
}), ChunkedToXContentHelper.array("drivers", profile.drivers.iterator(), params), ChunkedToXContentHelper.endObject());
private Iterator<? extends ToXContent> conditionalChunkedXContent(
boolean condition,
Supplier<Iterator<? extends ToXContent>> chunkedXContent
) {
return condition ? chunkedXContent.get() : Collections.emptyIterator();
}

public boolean[] nullColumns() {
Expand Down Expand Up @@ -396,41 +390,15 @@ public EsqlResponse responseInternal() {
return esqlResponse;
}

public static class Profile implements Writeable {
private final List<DriverProfile> drivers;

public Profile(List<DriverProfile> drivers) {
this.drivers = drivers;
}
public record Profile(List<DriverProfile> drivers) implements Writeable {
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I wonder if we even need that? May be it is worth in-lining List instead?


public Profile(StreamInput in) throws IOException {
this.drivers = in.readCollectionAsImmutableList(DriverProfile::readFrom);
public static Profile readFrom(StreamInput in) throws IOException {
return new Profile(in.readCollectionAsImmutableList(DriverProfile::readFrom));
}

@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeCollection(drivers);
}

@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Profile profile = (Profile) o;
return Objects.equals(drivers, profile.drivers);
}

@Override
public int hashCode() {
return Objects.hash(drivers);
}

List<DriverProfile> drivers() {
return drivers;
}
}
}
2 changes: 1 addition & 1 deletion ...esql/src/test/java/org/elasticsearch/xpack/esql/action/EsqlQueryResponseProfileTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
public class EsqlQueryResponseProfileTests extends AbstractWireSerializingTestCase<EsqlQueryResponse.Profile> {
@Override
protected Writeable.Reader<EsqlQueryResponse.Profile> instanceReader() {
return EsqlQueryResponse.Profile::new;
return EsqlQueryResponse.Profile::readFrom;
}

@Override
Expand Down