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Singlestat: Fixed issue with mapping null to text (#19689)

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Torkel Ödegaard 2019-10-09 09:00:39 +02:00 committed by GitHub
parent b858a5f496
commit 22fbaa7ac8
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 10 additions and 10 deletions
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4
packages/grafana-data/src/transformations/fieldReducer.test.ts
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@ -116,11 +116,11 @@ describe('Stats Calculators', () => {
},
{
data: [null, null, null], // All null
result: undefined,
result: null,
},
{
data: [undefined, undefined, undefined], // Empty row
result: undefined,
result: null,
},
];

16
packages/grafana-data/src/transformations/fieldReducer.ts
View File

@ -236,8 +236,8 @@ function doStandardCalcs(field: Field, ignoreNulls: boolean, nullAsZero: boolean
mean: null,
last: null,
first: null,
lastNotNull: undefined,
firstNotNull: undefined,
lastNotNull: null,
firstNotNull: null,
count: 0,
nonNullCount: 0,
allIsNull: true,
@ -272,8 +272,8 @@ function doStandardCalcs(field: Field, ignoreNulls: boolean, nullAsZero: boolean
}
}
if (currentValue !== null) {
const isFirst = calcs.firstNotNull === undefined;
if (currentValue !== null && currentValue !== undefined) {
const isFirst = calcs.firstNotNull === null;
if (isFirst) {
calcs.firstNotNull = currentValue;
}
@ -366,11 +366,11 @@ function calculateFirstNotNull(field: Field, ignoreNulls: boolean, nullAsZero: b
const data = field.values;
for (let idx = 0; idx < data.length; idx++) {
const v = data.get(idx);
if (v != null) {
if (v != null && v !== undefined) {
return { firstNotNull: v };
}
}
return { firstNotNull: undefined };
return { firstNotNull: null };
}
function calculateLast(field: Field, ignoreNulls: boolean, nullAsZero: boolean): FieldCalcs {
@ -383,11 +383,11 @@ function calculateLastNotNull(field: Field, ignoreNulls: boolean, nullAsZero: bo
let idx = data.length - 1;
while (idx >= 0) {
const v = data.get(idx--);
if (v != null) {
if (v != null && v !== undefined) {
return { lastNotNull: v };
}
}
return { lastNotNull: undefined };
return { lastNotNull: null };
}
function calculateChangeCount(field: Field, ignoreNulls: boolean, nullAsZero: boolean): FieldCalcs {