Add toggle to show only changed columns in experiments table

extension/src/experiments/columns/collect/index.test.ts

@@ -1,5 +1,10 @@
 /* eslint-disable sort-keys-fix/sort-keys-fix */
-import { collectChanges, collectColumns, collectRelativeMetricsFiles } from '.'
+import {
+  collectChanges,
+  collectColumns,
+  collectColumnsWithChangedValues,
+  collectRelativeMetricsFiles
+} from '.'
 import { timestampColumn } from '../constants'
 import { buildMetricOrParamPath } from '../paths'
 import { ColumnType } from '../../webview/contract'
@@ -15,6 +20,8 @@ import {
 } from '../../../cli/dvc/contract'
 import { getConfigValue } from '../../../vscode/config'
 import { generateTestExpShowOutput } from '../../../test/util/experiments'
+import rowsFixture from '../../../test/fixtures/expShow/base/rows'
+import { Operator, filterExperiment } from '../../model/filterBy'
 
 jest.mock('../../../vscode/config')
 
@@ -525,3 +532,54 @@ describe('collectRelativeMetricsFiles', () => {
     expect(collectRelativeMetricsFiles([])).toStrictEqual(existingFiles)
   })
 })
+
+describe('collectColumnsWithChangedValues', () => {
+  it('should return the expected columns from the test fixture', () => {
+    const changedColumns = collectColumnsWithChangedValues(
+      columnsFixture,
+      rowsFixture,
+      []
+    )
+    expect(changedColumns).toStrictEqual(
+      columnsFixture.filter(({ path }) =>
+        [
+          'metrics:summary.json',
+          'metrics:summary.json:loss',
+          'metrics:summary.json:accuracy',
+          'metrics:summary.json:val_loss',
+          'metrics:summary.json:val_accuracy',
+          'params:params.yaml',
+          'params:params.yaml:code_names',
+          'params:params.yaml:epochs',
+          'params:params.yaml:learning_rate',
+          'params:params.yaml:dropout',
+          'params:params.yaml:process',
+          'params:params.yaml:process.threshold',
+          'params:params.yaml:process.test_arg'
+        ].includes(path)
+      )
+    )
+  })
+
+  it('should return the expected columns when applying filters (calculate changed after filters)', () => {
+    const uniformColumn = 'params:params.yaml:dropout'
+    const filters = [
+      {
+        path: uniformColumn,
+        operator: Operator.EQUAL,
+        value: 0.124
+      }
+    ]
+    const filteredRows = [...rowsFixture]
+    for (const row of filteredRows) {
+      row.subRows = row.subRows?.filter(exp => filterExperiment(filters, exp))
+    }
+
+    const changedColumns = collectColumnsWithChangedValues(
+      columnsFixture,
+      filteredRows,
+      filters
+    )
+    expect(changedColumns.map(({ path }) => path)).not.toContain(uniformColumn)
+  })
+})

extension/src/experiments/columns/collect/index.ts

@@ -1,22 +1,26 @@
 import { join } from 'path'
+import get from 'lodash.get'
 import isEqual from 'lodash.isequal'
 import { ColumnAccumulator } from './util'
 import { collectDepChanges, collectDeps } from './deps'
 import {
   collectMetricAndParamChanges,
   collectMetricsAndParams
 } from './metricsAndParams'
-import { Column } from '../../webview/contract'
+import { Column, Commit, Experiment } from '../../webview/contract'
 import {
   ExpRange,
   ExpShowOutput,
   ExpState,
   ExpData,
-  experimentHasError
+  experimentHasError,
+  Value,
+  EXPERIMENT_WORKSPACE_ID
 } from '../../../cli/dvc/contract'
 import { standardizePath } from '../../../fileSystem/path'
 import { timestampColumn } from '../constants'
 import { sortCollectedArray, uniqueValues } from '../../../util/array'
+import { FilterDefinition, filterExperiment } from '../../model/filterBy'
 
 const collectFromExperiment = (
   acc: ColumnAccumulator,
@@ -136,3 +140,69 @@ export const collectRelativeMetricsFiles = (
 
   return uniqueValues(files)
 }
+
+const getValue = (
+  experiment: Commit | Experiment,
+  pathArray: string[]
+): Value => get(experiment, pathArray) as Value
+
+const collectChangedPath = (
+  acc: string[],
+  path: string,
+  pathArray: string[],
+  records: (Commit | Experiment)[]
+) => {
+  let initialValue
+  for (const experiment of records) {
+    if (initialValue === undefined) {
+      initialValue = getValue(experiment, pathArray)
+      continue
+    }
+    const value = getValue(experiment, pathArray)
+    if (value === undefined || isEqual(value, initialValue)) {
+      continue
+    }
+
+    acc.push(path)
+    return
+  }
+}
+
+const collectChangedPaths = (
+  columns: Column[],
+  records: (Commit | Experiment)[]
+) => {
+  const acc: string[] = []
+  for (const { pathArray, path, hasChildren } of columns) {
+    if (!pathArray || hasChildren) {
+      continue
+    }
+    collectChangedPath(acc, path, pathArray, records)
+  }
+  return acc
+}
+
+export const collectColumnsWithChangedValues = (
+  selectedColumns: Column[],
+  rows: Commit[],
+  filters: FilterDefinition[]
+): Column[] => {
+  const records = []
+  for (const commit of rows) {
+    if (
+      commit.id === EXPERIMENT_WORKSPACE_ID ||
+      filterExperiment(filters, commit as Experiment)
+    ) {
+      records.push(commit)
+    }
+    if (commit.subRows) {
+      records.push(...commit.subRows)
+    }
+  }
+
+  const changedPaths = collectChangedPaths(selectedColumns, records)
+
+  return selectedColumns.filter(({ path }) =>
+    changedPaths.find(changedPath => changedPath.startsWith(path))
+  )
+}

extension/src/experiments/columns/model.ts

@@ -23,6 +23,7 @@ export class ColumnsModel extends PathSelectionModel<Column> {
   private columnsChanges: string[] = []
   private paramsFiles = new Set<string>()
   private relativeMetricsFiles: string[] = []
+  private showOnlyChanged: boolean
 
   constructor(
     dvcRoot: string,
@@ -44,6 +45,7 @@ export class ColumnsModel extends PathSelectionModel<Column> {
       PersistenceKey.METRICS_AND_PARAMS_COLUMN_WIDTHS,
       {}
     )
+    this.showOnlyChanged = this.revive(PersistenceKey.SHOW_ONLY_CHANGED, false)
   }
 
   public getColumnOrder(): string[] {
@@ -119,6 +121,15 @@ export class ColumnsModel extends PathSelectionModel<Column> {
     )
   }
 
+  public getShowOnlyChanged() {
+    return this.showOnlyChanged
+  }
+
+  public toggleShowOnlyChanged() {
+    this.showOnlyChanged = !this.showOnlyChanged
+    this.persist(PersistenceKey.SHOW_ONLY_CHANGED, this.showOnlyChanged)
+  }
+
   public getChildren(path: string | undefined) {
     return this.filterChildren(path).map(element => {
       return {

extension/src/experiments/model/index.ts

@@ -246,10 +246,6 @@ export class ExperimentsModel extends ModelWithPersistence {
     return [...this.filters.values()]
   }
 
-  public getFilterPaths() {
-    return this.getFilters().map(({ path }) => path)
-  }
-
   public addFilter(filter: FilterDefinition) {
     this.filters.set(getFilterId(filter), filter)
     this.applyAndPersistFilters()

extension/src/experiments/webview/contract.ts

@@ -109,6 +109,7 @@ export type TableData = {
   hasRunningWorkspaceExperiment: boolean
   isShowingMoreCommits: Record<string, boolean>
   rows: Commit[]
+  showOnlyChanged: boolean
   selectedBranches: string[]
   selectedForPlotsCount: number
   sorts: SortDefinition[]

extension/src/experiments/webview/messages.ts

@@ -22,6 +22,7 @@ import { Title } from '../../vscode/title'
 import { ConfigKey, setConfigValue } from '../../vscode/config'
 import { NUM_OF_COMMITS_TO_INCREASE } from '../../cli/dvc/constants'
 import { Pipeline } from '../../pipeline'
+import { collectColumnsWithChangedValues } from '../columns/collect'
 
 export class WebviewMessages {
   private readonly dvcRoot: string
@@ -201,6 +202,9 @@ export class WebviewMessages {
       case MessageFromWebviewType.REFRESH_EXP_DATA:
         return this.refreshData()
 
+      case MessageFromWebviewType.TOGGLE_SHOW_ONLY_CHANGED:
+        return this.toggleShowOnlyChanged()
+
       default:
         Logger.error(`Unexpected message: ${JSON.stringify(message)}`)
     }
@@ -258,14 +262,34 @@ export class WebviewMessages {
     return this.update()
   }
 
+  private toggleShowOnlyChanged() {
+    this.columns.toggleShowOnlyChanged()
+    this.sendWebviewMessage()
+    sendTelemetryEvent(
+      EventName.VIEWS_EXPERIMENTS_TABLE_REFRESH,
+      undefined,
+      undefined
+    )
+  }
+
   private getWebviewData(): TableData {
+    const filters = this.experiments.getFilters()
+    const rows = this.experiments.getRowData()
+    const selectedColumns = this.columns.getSelected()
+
+    const showOnlyChanged = this.columns.getShowOnlyChanged()
+
+    const columns = showOnlyChanged
+      ? collectColumnsWithChangedValues(selectedColumns, rows, filters)
+      : selectedColumns
+
     return {
       changes: this.columns.getChanges(),
       cliError: this.experiments.getCliError() || null,
       columnOrder: this.columns.getColumnOrder(),
       columnWidths: this.columns.getColumnWidths(),
-      columns: this.columns.getSelected(),
-      filters: this.experiments.getFilterPaths(),
+      columns,
+      filters: filters.map(({ path }) => path),
       hasBranchesToSelect:
         this.experiments.getAvailableBranchesToShow().length > 0,
       hasCheckpoints: this.experiments.hasCheckpoints(),
@@ -275,9 +299,10 @@ export class WebviewMessages {
       hasRunningWorkspaceExperiment:
         this.experiments.hasRunningWorkspaceExperiment(),
       isShowingMoreCommits: this.experiments.getIsShowingMoreCommits(),
-      rows: this.experiments.getRowData(),
+      rows,
       selectedBranches: this.experiments.getSelectedBranches(),
       selectedForPlotsCount: this.experiments.getSelectedRevisions().length,
+      showOnlyChanged,
       sorts: this.experiments.getSorts()
     }
   }

extension/src/persistence/constants.ts

@@ -18,7 +18,8 @@ export enum PersistenceKey {
   PLOT_SECTION_COLLAPSED = 'plotSectionCollapsed:',
   PLOT_SELECTED_METRICS = 'plotSelectedMetrics:',
   PLOTS_SMOOTH_PLOT_VALUES = 'plotSmoothPlotValues:',
-  PLOT_TEMPLATE_ORDER = 'plotTemplateOrder:'
+  PLOT_TEMPLATE_ORDER = 'plotTemplateOrder:',
+  SHOW_ONLY_CHANGED = 'columnsShowOnlyChanged:'
 }
 
 export enum GlobalPersistenceKey {

extension/src/telemetry/constants.ts

@@ -72,6 +72,8 @@ export const EventName = Object.assign(
       'views.experimentsTable.showMoreCommits',
     VIEWS_EXPERIMENTS_TABLE_SORT_COLUMN:
       'views.experimentsTable.columnSortAdded',
+    VIEWS_EXPERIMENTS_TABLE_TOGGLE_SHOW_ONLY_CHANGED:
+      'views.experimentsTable.toggleShowOnlyChanged',
 
     VIEWS_PLOTS_CLOSED: 'views.plots.closed',
     VIEWS_PLOTS_COMPARISON_ROWS_REORDERED:
@@ -266,6 +268,7 @@ export interface IEventNamePropertyMapping {
   [EventName.VIEWS_EXPERIMENTS_TABLE_OPEN_PARAMS_FILE]: {
     path: string
   }
+  [EventName.VIEWS_EXPERIMENTS_TABLE_TOGGLE_SHOW_ONLY_CHANGED]: undefined
 
   [EventName.VIEWS_PLOTS_CLOSED]: undefined
   [EventName.VIEWS_PLOTS_CREATED]: undefined

extension/src/test/fixtures/expShow/base/tableData.ts

@@ -3,9 +3,8 @@ import rowsFixture from './rows'
 import columnsFixture from './columns'
 
 const tableDataFixture: TableData = {
-  selectedBranches: [],
-  cliError: null,
   changes: [],
+  cliError: null,
   columnOrder: [],
   columns: columnsFixture,
   columnWidths: {},
@@ -18,7 +17,9 @@ const tableDataFixture: TableData = {
   hasRunningWorkspaceExperiment: true,
   isShowingMoreCommits: { main: true },
   rows: rowsFixture,
+  selectedBranches: [],
   selectedForPlotsCount: 2,
+  showOnlyChanged: false,
   sorts: []
 }
 

extension/src/test/suite/experiments/index.test.ts

@@ -1297,6 +1297,25 @@ suite('Experiments Test Suite', () => {
       expect(mockShowPlots).to.be.calledWith(dvcDemoPath)
     }).timeout(WEBVIEW_TEST_TIMEOUT)
 
+    it('should be able to handle a message to toggle only changed columns', async () => {
+      const { columnsModel, messageSpy, mockMessageReceived } =
+        await buildExperimentsWebview({
+          disposer: disposable
+        })
+
+      expect(columnsModel.getShowOnlyChanged()).to.be.false
+      messageSpy.resetHistory()
+
+      mockMessageReceived.fire({
+        type: MessageFromWebviewType.TOGGLE_SHOW_ONLY_CHANGED
+      })
+
+      expect(columnsModel.getShowOnlyChanged()).to.be.true
+      expect(messageSpy).to.be.calledWithMatch({
+        showOnlyChanged: true
+      })
+    }).timeout(WEBVIEW_TEST_TIMEOUT)
+
     it('should handle a message to stop experiments running', async () => {
       const { experiments, dvcExecutor } =
         stubWorkspaceExperimentsGetters(disposable)

extension/src/webview/contract.ts

@@ -59,6 +59,7 @@ export enum MessageFromWebviewType {
   SET_EXPERIMENTS_AND_OPEN_PLOTS = 'set-experiments-and-open-plots',
   SET_STUDIO_SHARE_EXPERIMENTS_LIVE = 'set-studio-share-experiments-live',
   TOGGLE_PLOTS_SECTION = 'toggle-plots-section',
+  TOGGLE_SHOW_ONLY_CHANGED = 'toggle-show-only-changed',
   REMOTE_ADD = 'remote-add',
   REMOTE_MODIFY = 'remote-modify',
   REMOTE_REMOVE = 'remote-remove',
@@ -228,6 +229,7 @@ export type MessageFromWebview =
   | { type: MessageFromWebviewType.REFRESH_REVISIONS }
   | { type: MessageFromWebviewType.SELECT_COLUMNS }
   | { type: MessageFromWebviewType.SELECT_FIRST_COLUMNS }
+  | { type: MessageFromWebviewType.TOGGLE_SHOW_ONLY_CHANGED }
   | { type: MessageFromWebviewType.FOCUS_FILTERS_TREE }
   | { type: MessageFromWebviewType.FOCUS_SORTS_TREE }
   | { type: MessageFromWebviewType.OPEN_PLOTS_WEBVIEW }

webview/icons/codicons.mjs

@@ -29,6 +29,7 @@ export const codicons = [
   'sort-precedence',
   'star-empty',
   'star-full',
+  'table',
   'trash',
   'warning'
 ]