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TimeSeries: properly stack series with missing datapoints (#48321)

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This commit is contained in:
Leon Sorokin
2022-04-27 09:31:15 -05:00
committed by GitHub
parent 9d129bde76
commit 647f749652
3 changed files with 1004 additions and 8 deletions
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devenv/dev-dashboards/panel-graph/graph-ng-stacking2.json
+482 -4
View File
@@ -2512,7 +2512,7 @@
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@@ -2648,7 +2648,7 @@
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@@ -2784,7 +2784,7 @@
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"gradientMode": "none",
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@@ -2904,6 +2904,484 @@
"title": "Connect null values = never",
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"type": "timeseries"
},
{
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},
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},
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},
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"datasource": {
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"uid": "PD8C576611E62080A"
},
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},
{
"csvContent": "time,Label 8\n2021-12-30T06:20:45.552Z,52.89\n2022-01-01T06:35:05.496Z,569.57",
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},
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},
{
"csvContent": "time,Label 9\n2022-01-01T06:35:05.496Z,2140.34\n2022-01-03T06:49:25.440Z,4074.92\n2022-01-05T07:03:45.384Z,1557.85\n2022-01-07T07:18:05.328Z,1097.74\n2022-01-09T07:32:25.272Z,692.06\n2022-01-11T07:46:45.216Z,758.67\n2022-01-13T08:01:05.160Z,957.56\n2022-01-15T08:15:25.104Z,1470.49\n2022-01-17T08:29:45.048Z,198.18",
"datasource": {
"type": "testdata",
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},
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"scenarioId": "csv_content"
}
],
"title": "'undefined' join artifacts (bars)",
"type": "timeseries"
},
{
"datasource": {
"type": "testdata",
"uid": "PD8C576611E62080A"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"custom": {
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
"drawStyle": "line",
"fillOpacity": 100,
"gradientMode": "none",
"hideFrom": {
"legend": false,
"tooltip": false,
"viz": false
},
"lineInterpolation": "linear",
"lineWidth": 0,
"pointSize": 4,
"scaleDistribution": {
"type": "linear"
},
"showPoints": "never",
"spanNulls": false,
"stacking": {
"group": "A",
"mode": "normal"
},
"thresholdsStyle": {
"mode": "off"
}
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green"
},
{
"color": "red",
"value": 80
}
]
}
},
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},
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},
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},
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}
},
"targets": [
{
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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"uid": "PD8C576611E62080A"
},
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},
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"uid": "PD8C576611E62080A"
},
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},
{
"csvContent": "time,Label 7\n2021-12-24T05:37:45.720Z,41250\n2021-12-26T05:52:05.664Z,45150\n2021-12-28T06:06:25.608Z,45870.16\n2021-12-30T06:20:45.552Z,38728.17\n2022-01-01T06:35:05.496Z,39931.77\n2022-01-03T06:49:25.440Z,39831.8\n2022-01-05T07:03:45.384Z,38252.06\n2022-01-07T07:18:05.328Z,44332.92\n2022-01-09T07:32:25.272Z,51359.74\n2022-01-11T07:46:45.216Z,56155.84\n2022-01-13T08:01:05.160Z,55676.92\n2022-01-15T08:15:25.104Z,55323.84\n2022-01-17T08:29:45.048Z,13830.96",
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"type": "testdata",
"uid": "PD8C576611E62080A"
},
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},
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"datasource": {
"type": "testdata",
"uid": "PD8C576611E62080A"
},
"refId": "Q",
"scenarioId": "csv_content"
},
{
"csvContent": "time,Label 9\n2022-01-01T06:35:05.496Z,2140.34\n2022-01-03T06:49:25.440Z,4074.92\n2022-01-05T07:03:45.384Z,1557.85\n2022-01-07T07:18:05.328Z,1097.74\n2022-01-09T07:32:25.272Z,692.06\n2022-01-11T07:46:45.216Z,758.67\n2022-01-13T08:01:05.160Z,957.56\n2022-01-15T08:15:25.104Z,1470.49\n2022-01-17T08:29:45.048Z,198.18",
"datasource": {
"type": "testdata",
"uid": "PD8C576611E62080A"
},
"refId": "R",
"scenarioId": "csv_content"
}
],
"title": "'undefined' join artifacts (lines)",
"type": "timeseries"
}
],
"refresh": false,
@@ -2925,6 +3403,6 @@
"timezone": "",
"title": "TimeSeries & BarChart Stacking",
"uid": "1KxMUdE7k",
"version": 1,
"version": 5,
"weekStart": ""
}
packages/grafana-ui/src/components/uPlot/utils.test.ts
+491 -1
View File
@@ -1,8 +1,10 @@
import Units from 'ol/proj/Units';
import { FieldType, MutableDataFrame } from '@grafana/data';
import { FieldMatcherID, fieldMatchers, FieldType, MutableDataFrame } from '@grafana/data';
import { BarAlignment, GraphDrawStyle, GraphTransform, LineInterpolation, StackingMode } from '@grafana/schema';
import { preparePlotFrame } from '../GraphNG/utils';
import { getStackingGroups, preparePlotData2, timeFormatToTemplate } from './utils';
describe('timeFormatToTemplate', () => {
@@ -511,6 +513,494 @@ describe('preparePlotData2', () => {
`);
});
});
it('accumulates stacks only at indices where stacking group has at least 1 value', () => {
// extracted data from plot in panel-graph/graph-ng-stacking2.json
const frameData = [
[[1639976945832], [1000]],
[
[1639803285888, 1639976945832, 1640150605776, 1641192565440],
[2500, 600, 350, 500],
],
[
[1639803285888, 1639976945832, 1640150605776, 1640324265720],
[28000, 3100, 36000, 2800],
],
[
[1639976945832, 1640324265720, 1640497925664],
[255, 651, 50],
],
[
[1639803285888, 1639976945832],
[5000, 1231],
],
[
[
1639455966000, 1639629625944, 1639803285888, 1639976945832, 1640150605776, 1640324265720, 1640497925664,
1640671585608, 1640845245552, 1641018905496,
],
[122, 123, 12345, 23456, 34567, 12345, 8000, 3000, 1000, 21],
],
[[1641539885328], [20]],
[
[1641192565440, 1641539885328],
[210, 321],
],
[
[1640671585608, 1641539885328],
[210, 210],
],
[
[1639803285888, 1639976945832, 1640150605776, 1640497925664, 1640845245552],
[250, 852, 1234, 321, 432],
],
[
[
1640324265720, 1640497925664, 1640671585608, 1640845245552, 1641018905496, 1641192565440, 1641366225384,
1641539885328, 1641713545272, 1641887205216, 1642060865160, 1642234525104, 1642408185048,
],
[543, 18000, 17000, 12000, 8500, 8000, 5000, 3000, 2500, 2200, 3000, 1520, 665.35],
],
[[1641887205216], [800]],
[
[
1640150605776, 1640324265720, 1640497925664, 1640671585608, 1640845245552, 1641018905496, 1641192565440,
1641366225384, 1641539885328, 1641713545272, 1641887205216, 1642060865160, 1642234525104,
],
[14173, 14805, 5600, 5950, 775, 725, 1450, 3175, 1850, 1025, 2700, 4825, 3600],
],
[[1642234525104], [1675]],
[[1640150605776], [433.16]],
[
[
1640324265720, 1640497925664, 1640671585608, 1640845245552, 1641018905496, 1641192565440, 1641366225384,
1641539885328, 1641713545272, 1641887205216, 1642060865160, 1642234525104, 1642408185048,
],
[
41250, 45150, 45870.16, 38728.17, 39931.77, 39831.8, 38252.06, 44332.92, 51359.74, 56155.84, 55676.92,
55323.84, 13830.96,
],
],
[
[1640845245552, 1641018905496],
[52.89, 569.57],
],
[
[
1641018905496, 1641192565440, 1641366225384, 1641539885328, 1641713545272, 1641887205216, 1642060865160,
1642234525104, 1642408185048,
],
[2140.34, 4074.92, 1557.85, 1097.74, 692.06, 758.67, 957.56, 1470.49, 198.18],
],
];
const names = 'abcdefghijklmnopqrstuvwxyz'.split('').reverse();
const dfs = frameData.map(([xs, ys]) => {
const df = new MutableDataFrame({
fields: [
{ name: 'time', type: FieldType.time, values: xs },
{
name: names.pop()!,
values: ys,
config: { custom: { stacking: { mode: StackingMode.Normal, group: 'A' } } },
},
],
});
return df;
});
const df = preparePlotFrame(dfs, {
x: fieldMatchers.get(FieldMatcherID.firstTimeField).get({}),
y: fieldMatchers.get(FieldMatcherID.numeric).get({}),
})!;
expect(preparePlotData2(df, getStackingGroups(df))).toMatchInlineSnapshot(`
Array [
Array [
1639455966000,
1639629625944,
1639803285888,
1639976945832,
1640150605776,
1640324265720,
1640497925664,
1640671585608,
1640845245552,
1641018905496,
1641192565440,
1641366225384,
1641539885328,
1641713545272,
1641887205216,
1642060865160,
1642234525104,
1642408185048,
],
Array [
0,
0,
0,
1000,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
],
Array [
0,
0,
2500,
1600,
350,
0,
0,
0,
0,
0,
500,
0,
0,
0,
0,
0,
0,
0,
],
Array [
0,
0,
30500,
4700,
36350,
2800,
0,
0,
0,
0,
500,
0,
0,
0,
0,
0,
0,
0,
],
Array [
0,
0,
30500,
4955,
36350,
3451,
50,
0,
0,
0,
500,
0,
0,
0,
0,
0,
0,
0,
],
Array [
0,
0,
35500,
6186,
36350,
3451,
50,
0,
0,
0,
500,
0,
0,
0,
0,
0,
0,
0,
],
Array [
122,
123,
47845,
29642,
70917,
15796,
8050,
3000,
1000,
21,
500,
0,
0,
0,
0,
0,
0,
0,
],
Array [
122,
123,
47845,
29642,
70917,
15796,
8050,
3000,
1000,
21,
500,
0,
20,
0,
0,
0,
0,
0,
],
Array [
122,
123,
47845,
29642,
70917,
15796,
8050,
3000,
1000,
21,
710,
0,
341,
0,
0,
0,
0,
0,
],
Array [
122,
123,
47845,
29642,
70917,
15796,
8050,
3210,
1000,
21,
710,
0,
551,
0,
0,
0,
0,
0,
],
Array [
122,
123,
48095,
30494,
72151,
15796,
8371,
3210,
1432,
21,
710,
0,
551,
0,
0,
0,
0,
0,
],
Array [
122,
123,
48095,
30494,
72151,
16339,
26371,
20210,
13432,
8521,
8710,
5000,
3551,
2500,
2200,
3000,
1520,
665.35,
],
Array [
122,
123,
48095,
30494,
72151,
16339,
26371,
20210,
13432,
8521,
8710,
5000,
3551,
2500,
3000,
3000,
1520,
665.35,
],
Array [
122,
123,
48095,
30494,
86324,
31144,
31971,
26160,
14207,
9246,
10160,
8175,
5401,
3525,
5700,
7825,
5120,
665.35,
],
Array [
122,
123,
48095,
30494,
86324,
31144,
31971,
26160,
14207,
9246,
10160,
8175,
5401,
3525,
5700,
7825,
6795,
665.35,
],
Array [
122,
123,
48095,
30494,
86757.16,
31144,
31971,
26160,
14207,
9246,
10160,
8175,
5401,
3525,
5700,
7825,
6795,
665.35,
],
Array [
122,
123,
48095,
30494,
86757.16,
72394,
77121,
72030.16,
52935.17,
49177.77,
49991.8,
46427.06,
49733.92,
54884.74,
61855.84,
63501.92,
62118.84,
14496.31,
],
Array [
122,
123,
48095,
30494,
86757.16,
72394,
77121,
72030.16,
52988.06,
49747.34,
49991.8,
46427.06,
49733.92,
54884.74,
61855.84,
63501.92,
62118.84,
14496.31,
],
Array [
122,
123,
48095,
30494,
86757.16,
72394,
77121,
72030.16,
52988.06,
51887.67999999999,
54066.72,
47984.909999999996,
50831.659999999996,
55576.799999999996,
62614.509999999995,
64459.479999999996,
63589.329999999994,
14694.49,
],
]
`);
});
});
describe('auto stacking groups', () => {
packages/grafana-ui/src/components/uPlot/utils.ts
+31 -3
View File
@@ -164,9 +164,36 @@ export function preparePlotData2(
) {
let data = Array(frame.fields.length) as AlignedData;
let stacksQty = stackingGroups.length;
let dataLen = frame.length;
let zeroArr = Array(dataLen).fill(0);
let accums = Array.from({ length: stackingGroups.length }, () => zeroArr.slice());
let zeroArr = stacksQty > 0 ? Array(dataLen).fill(0) : [];
let falseArr = stacksQty > 0 ? Array(dataLen).fill(false) : [];
let accums = Array.from({ length: stacksQty }, () => zeroArr.slice());
let anyValsAtX = Array.from({ length: stacksQty }, () => falseArr.slice());
// figure out at which time indices each stacking group has any values
// (needed to avoid absorbing initial accum 0s at unrelated joined timestamps)
stackingGroups.forEach((group, groupIdx) => {
let groupValsAtX = anyValsAtX[groupIdx];
group.series.forEach((seriesIdx) => {
let field = frame.fields[seriesIdx];
if (field.config.custom?.hideFrom?.viz) {
return;
}
let vals = field.values.toArray();
for (let i = 0; i < dataLen; i++) {
if (vals[i] != null) {
groupValsAtX[i] = true;
}
}
});
});
frame.fields.forEach((field, i) => {
let vals = field.values.toArray();
@@ -210,6 +237,7 @@ export function preparePlotData2(
let stackIdx = stackingGroups.findIndex((group) => group.series.indexOf(i) > -1);
let accum = accums[stackIdx];
let groupValsAtX = anyValsAtX[stackIdx];
let stacked = (data[i] = Array(dataLen));
for (let i = 0; i < dataLen; i++) {
@@ -218,7 +246,7 @@ export function preparePlotData2(
if (v != null) {
stacked[i] = accum[i] += v;
} else {
stacked[i] = v; // we may want to coerce to 0 here
stacked[i] = groupValsAtX[i] ? accum[i] : v;
}
}
}