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Fix explore error caused by mismatched series length, closes #1150

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This commit is contained in:
Alexander Zobnin
2021-02-15 19:11:17 +03:00
parent 3c00d73e7e
commit 85065b0733
1 changed files with 12 additions and 6 deletions
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18
src/datasource-zabbix/responseHandler.ts
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@@ -2,7 +2,7 @@ import _ from 'lodash';
import TableModel from 'grafana/app/core/table_model';
import * as c from './constants';
import * as utils from './utils';
import { ArrayVector, DataFrame, Field, FieldType, MutableDataFrame, TIME_SERIES_TIME_FIELD_NAME, TIME_SERIES_VALUE_FIELD_NAME } from '@grafana/data';
import { ArrayVector, DataFrame, Field, FieldType, MutableDataFrame, MutableField, TIME_SERIES_TIME_FIELD_NAME, TIME_SERIES_VALUE_FIELD_NAME } from '@grafana/data';
import { ZabbixMetricsQuery } from './types';
/**
@@ -61,7 +61,7 @@ function convertHistory(history, items, addHostName, convertPointCallback) {
});
}
export function seriesToDataFrame(timeseries, target: ZabbixMetricsQuery, valueMappings?: any[], fieldType?: FieldType): DataFrame {
export function seriesToDataFrame(timeseries, target: ZabbixMetricsQuery, valueMappings?: any[], fieldType?: FieldType): MutableDataFrame {
const { datapoints, scopedVars, target: seriesName, item } = timeseries;
const timeFiled: Field = {
@@ -138,7 +138,8 @@ export function seriesToDataFrame(timeseries, target: ZabbixMetricsQuery, valueM
length: datapoints.length,
};
return frame;
const mutableFrame = new MutableDataFrame(frame);
return mutableFrame;
}
export function isConvertibleToWide(data: DataFrame[]): boolean {
@@ -164,7 +165,7 @@ export function isConvertibleToWide(data: DataFrame[]): boolean {
return true;
}
export function alignFrames(data: DataFrame[]): DataFrame[] {
export function alignFrames(data: MutableDataFrame[]): MutableDataFrame[] {
if (!data || data.length === 0) {
return data;
}
@@ -207,13 +208,13 @@ export function alignFrames(data: DataFrame[]): DataFrame[] {
return data;
}
export function convertToWide(data: DataFrame[]): DataFrame[] {
export function convertToWide(data: MutableDataFrame[]): DataFrame[] {
const timeField = data[0].fields.find(f => f.type === FieldType.time);
if (!timeField) {
return [];
}
const fields: Field[] = [ timeField ];
const fields: MutableField[] = [ timeField ];
for (let i = 0; i < data.length; i++) {
const valueField = data[i].fields.find(f => f.name === TIME_SERIES_VALUE_FIELD_NAME);
@@ -222,6 +223,11 @@ export function convertToWide(data: DataFrame[]): DataFrame[] {
}
valueField.name = data[i].name;
// Add null value to the end if series is shifted by 1 time frame
if (timeField.values.length - valueField.values.length === 1) {
valueField.values.add(null);
}
fields.push(valueField);
}