diff --git a/src/backend/compare/compare.ts b/src/backend/compare/compare.ts
index 3103f48e..db4f23fa 100644
--- a/src/backend/compare/compare.ts
+++ b/src/backend/compare/compare.ts
@@ -98,10 +98,10 @@ export async function getMeasurements(
     name: 'fetchMeasurementsByProjectIdRunIdCommitId',
     text: `SELECT
               trialId, source.commitId as commitId,
-              invocation, iteration, warmup,
+              invocation, warmup,
               criterion.name as criterion,
               criterion.unit as unit,
-              value
+              values
             FROM
               Measurement
               JOIN Trial ON trialId = Trial.id
@@ -113,7 +113,7 @@ export async function getMeasurements(
             WHERE Project.slug = $1
               AND runId = $2
               AND (source.commitId = $3 OR source.commitId = $4)
-            ORDER BY trialId, criterion, invocation, iteration;`,
+            ORDER BY trialId, criterion, invocation;`,
     values: [projectSlug, runId, baseCommitId, changeCommitId]
   };
   const result = await db.query(q);
@@ -154,7 +154,7 @@ export async function getMeasurements(
         critObject.values[r.invocation - 1] = [];
       }
 
-      critObject.values[r.invocation - 1][r.iteration - 1] = r.value;
+      critObject.values[r.invocation - 1] = r.values;
     }
   }
 
diff --git a/src/frontend/plots.ts b/src/frontend/plots.ts
index a082f0e0..cb54c7dc 100644
--- a/src/frontend/plots.ts
+++ b/src/frontend/plots.ts
@@ -1,4 +1,10 @@
-import type { AllResults, PlotData, TimelineResponse } from '../shared/api.js';
+import type {
+  AllResults,
+  CriterionWithoutData,
+  PlotData,
+  TimelineResponse,
+  ValuesPossiblyMissing
+} from '../shared/api.js';
 import type { Source } from '../backend/db/types.js';
 import { filterCommitMessage } from './render.js';
 import uPlot from '/static/uPlot.esm.min.js';
@@ -411,7 +417,7 @@ export function renderComparisonTimelinePlot(
 /**
  * Replace `0` with `null` to hide the point in the plot.
  */
-function replaceZeroByNull(data: number[]): number[] {
+function replaceZeroByNull(data: ValuesPossiblyMissing): ValuesPossiblyMissing {
   for (let i = 0; i < data.length; i += 1) {
     if (data[i] === 0) {
       (<any[]>data)[i] = null;
@@ -423,7 +429,7 @@ function replaceZeroByNull(data: number[]): number[] {
 
 function addSeries(
   critData: WarmupDataPerCriterion,
-  data: number[][],
+  data: (ValuesPossiblyMissing | CriterionWithoutData)[],
   series: any[],
   commitId: string,
   colors: readonly string[],
@@ -435,7 +441,14 @@ function addSeries(
         'Do not yet know how to handle multiple.'
     );
   }
-  data.push(replaceZeroByNull(critData.values[0]));
+
+  const values = critData.values[0];
+
+  if (values === null) {
+    return 0;
+  }
+
+  data.push(replaceZeroByNull(values));
 
   const style = styleMap[critData.criterion];
 
@@ -454,7 +467,7 @@ function addSeries(
     cfg.points.fill = colors[style.colorIdx];
   }
 
-  return critData.values[0].length;
+  return values.length;
 }
 
 function collectUnitsAndCriteria(data: WarmupDataForTrial[]): {
diff --git a/src/shared/view-types.ts b/src/shared/view-types.ts
index 40ee8c4d..2f35729b 100644
--- a/src/shared/view-types.ts
+++ b/src/shared/view-types.ts
@@ -1,4 +1,9 @@
-import type { BenchmarkId, ProfileElement } from './api.js';
+import type {
+  BenchmarkId,
+  CriterionWithoutData,
+  ProfileElement,
+  ValuesPossiblyMissing
+} from './api.js';
 import type {
   CriterionData,
   Environment,
@@ -247,7 +252,7 @@ export type CompareView = CompareViewWithoutData | CompareViewWithData;
 export interface WarmupDataPerCriterion {
   criterion: string;
   unit: string;
-  values: number[][];
+  values: (ValuesPossiblyMissing | CriterionWithoutData)[];
 }
 
 export interface WarmupDataForTrial {