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[ML] Fix Anomaly Swim Lane Embeddable not updating properly on query change #195090

Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import {
apiHasExecutionContext,
apiHasParentApi,
apiPublishesTimeRange,
fetch$,
initializeTimeRange,
initializeTitles,
useBatchedPublishingSubjects,
Expand All @@ -26,7 +27,8 @@ import { KibanaRenderContextProvider } from '@kbn/react-kibana-context-render';
import React, { useCallback, useState } from 'react';
import useUnmount from 'react-use/lib/useUnmount';
import type { Observable } from 'rxjs';
import { BehaviorSubject, combineLatest, map, of, Subscription } from 'rxjs';
import { BehaviorSubject, combineLatest, distinctUntilChanged, map, of, Subscription } from 'rxjs';
import fastIsEqual from 'fast-deep-equal';
import type { AnomalySwimlaneEmbeddableServices } from '..';
import { ANOMALY_SWIMLANE_EMBEDDABLE_TYPE } from '..';
import type { MlDependencies } from '../../application/app';
Expand Down Expand Up @@ -235,6 +237,19 @@ export const getAnomalySwimLaneEmbeddableFactory = (
anomalySwimLaneServices
);

const fetchSubscription = fetch$(api)
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You don't need a dedicated subscription. Try

Suggested change
const fetchSubscription = fetch$(api)
subscriptions.add(fetch$(api)

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Updated in: 55c3e67

.pipe(
map((fetchContext) => ({
query: fetchContext.query,
filters: fetchContext.filters,
timeRange: fetchContext.timeRange,
})),
distinctUntilChanged(fastIsEqual)
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nit: I presume it's more expensive than skipWhile, because you need to compare objects on every emission instead of checking a boolean value of isReload.

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As discussed offline, neither skipWhile nor filter will work in this case, as fetchContext.isReload emits true even when changing the query, and the skipWhile operator only checks until the condition is met.

)
.subscribe(() => {
api.updatePagination({ fromPage: 1 });
});

const onRenderComplete = () => {};

return {
Expand All @@ -260,6 +275,7 @@ export const getAnomalySwimLaneEmbeddableFactory = (
onSwimLaneDestroy();
onDestroy();
subscriptions.unsubscribe();
fetchSubscription.unsubscribe();
});

const [fromPage, perPage, swimlaneType, swimlaneData, error] =
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
*/

import type { estypes } from '@elastic/elasticsearch';
import type { TimeRange } from '@kbn/es-query';
import { type TimeRange } from '@kbn/es-query';
import type { PublishesUnifiedSearch } from '@kbn/presentation-publishing';
import {
BehaviorSubject,
Expand All @@ -29,7 +29,6 @@ import {
SWIMLANE_TYPE,
} from '../../application/explorer/explorer_constants';
import type { OverallSwimlaneData } from '../../application/explorer/explorer_utils';
import { isViewBySwimLaneData } from '../../application/explorer/swimlane_container';
import { CONTROLLED_BY_SWIM_LANE_FILTER } from '../../ui_actions/constants';
import { getJobsObservable } from '../common/get_jobs_observable';
import { processFilters } from '../common/process_filters';
Expand Down Expand Up @@ -114,12 +113,7 @@ export const initializeSwimLaneDataFetcher = (
const { earliest, latest } = overallSwimlaneData;

if (overallSwimlaneData && swimlaneType === SWIMLANE_TYPE.VIEW_BY) {
const swimlaneData = swimLaneData$.value;

let swimLaneLimit = ANOMALY_SWIM_LANE_HARD_LIMIT;
if (isViewBySwimLaneData(swimlaneData) && viewBy === swimlaneData.fieldName) {
swimLaneLimit = swimlaneData.cardinality;
}
const swimLaneLimit = ANOMALY_SWIM_LANE_HARD_LIMIT;

return from(
anomalyTimelineService.loadViewBySwimlane(
Expand Down