mirror of https://github.com/grafana/grafana
feat(influxdb editor): lots of work on new editor, #2856
Torkel Ödegaard
10 years ago
parent
f053b41645
commit
83052352dc
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///<reference path="../../../headers/common.d.ts" />
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///<amd-dependency path="./query_builder" name="InfluxQueryBuilder" />
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import _ = require('lodash'); |
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import queryPart = require('./query_part'); |
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declare var InfluxQueryBuilder: any; |
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class InfluxQuery { |
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target: any; |
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selectParts: any[]; |
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groupByParts: any; |
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queryBuilder: any; |
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constructor(target) { |
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this.target = target; |
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target.tags = target.tags || []; |
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target.groupBy = target.groupBy || [{type: 'time', interval: 'auto'}]; |
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target.select = target.select || [[ |
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{name: 'mean', params: ['value']}, |
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]]; |
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this.updateSelectParts(); |
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this.groupByParts = [ |
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queryPart.create({name: 'time', params: ['$interval']}) |
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]; |
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} |
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updateSelectParts() { |
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this.selectParts = _.map(this.target.select, function(parts: any) { |
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return _.map(parts, function(part: any) { |
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return queryPart.create(part); |
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}); |
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}); |
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} |
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removeSelect(index: number) { |
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this.target.select.splice(index, 1); |
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this.updateSelectParts(); |
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} |
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addSelect() { |
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this.target.select.push([ |
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{name: 'mean', params: ['value']}, |
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]); |
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this.updateSelectParts(); |
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} |
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private renderTagCondition(tag, index) { |
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var str = ""; |
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var operator = tag.operator; |
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var value = tag.value; |
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if (index > 0) { |
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str = (tag.condition || 'AND') + ' '; |
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} |
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if (!operator) { |
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if (/^\/.*\/$/.test(tag.value)) { |
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operator = '=~'; |
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} else { |
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operator = '='; |
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} |
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} |
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// quote value unless regex
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if (operator !== '=~' && operator !== '!~') { |
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value = "'" + value + "'"; |
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} |
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return str + '"' + tag.key + '" ' + operator + ' ' + value; |
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} |
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private getGroupByTimeInterval(interval) { |
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if (interval === 'auto') { |
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return '$interval'; |
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} |
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return interval; |
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} |
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render() { |
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var target = this.target; |
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if (!target.measurement) { |
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throw "Metric measurement is missing"; |
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} |
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if (!target.fields) { |
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target.fields = [{name: 'value', func: target.function || 'mean'}]; |
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} |
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var query = 'SELECT '; |
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var i, y; |
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for (i = 0; i < this.selectParts.length; i++) { |
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let parts = this.selectParts[i]; |
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var selectText = ""; |
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for (y = 0; y < parts.length; y++) { |
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let part = parts[y]; |
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selectText = part.render(selectText); |
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} |
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if (i > 0) { |
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query += ', '; |
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} |
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query += selectText; |
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} |
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var measurement = target.measurement; |
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if (!measurement.match('^/.*/') && !measurement.match(/^merge\(.*\)/)) { |
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measurement = '"' + measurement+ '"'; |
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} |
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query += ' FROM ' + measurement + ' WHERE '; |
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var conditions = _.map(target.tags, (tag, index) => { |
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return this.renderTagCondition(tag, index); |
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}); |
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query += conditions.join(' '); |
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query += (conditions.length > 0 ? ' AND ' : '') + '$timeFilter'; |
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query += ' GROUP BY'; |
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for (i = 0; i < target.groupBy.length; i++) { |
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var group = target.groupBy[i]; |
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if (group.type === 'time') { |
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query += ' time(' + this.getGroupByTimeInterval(group.interval) + ')'; |
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} else { |
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query += ', "' + group.key + '"'; |
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} |
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} |
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if (target.fill) { |
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query += ' fill(' + target.fill + ')'; |
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} |
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target.query = query; |
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return query; |
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} |
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} |
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export = InfluxQuery; |
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@ -0,0 +1,36 @@ |
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import {describe, beforeEach, it, sinon, expect} from 'test/lib/common'; |
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import InfluxQuery = require('../influx_query'); |
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describe.only('InfluxQuery', function() { |
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describe('series with mesurement only', function() { |
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it('should generate correct query', function() { |
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var query = new InfluxQuery({ |
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measurement: 'cpu', |
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}); |
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var queryText = query.render(); |
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expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE $timeFilter GROUP BY time($interval)'); |
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}); |
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}); |
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describe('series with math and alias', function() { |
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it('should generate correct query', function() { |
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var query = new InfluxQuery({ |
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measurement: 'cpu', |
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select: [ |
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[ |
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{name: 'mean', params: ['value']}, |
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{name: 'math', params: ['/100']}, |
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{name: 'alias', params: ['text']}, |
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] |
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] |
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}); |
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var queryText = query.render(); |
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expect(queryText).to.be('SELECT mean("value") /100 AS "text" FROM "cpu" WHERE $timeFilter GROUP BY time($interval)'); |
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}); |
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}); |
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}); |
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@ -0,0 +1,41 @@ |
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import {describe, beforeEach, it, sinon, expect} from 'test/lib/common'; |
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import queryPart = require('../query_part'); |
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describe('InfluxQueryBuilder', () => { |
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describe('series with mesurement only', () => { |
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it('should handle nested function parts', () => { |
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var part = queryPart.create({ |
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name: 'derivative', |
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params: ['10s'], |
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}); |
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expect(part.text).to.be('derivative(10s)'); |
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expect(part.render('mean(value)')).to.be('derivative(mean(value), 10s)'); |
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}); |
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it('should handle suffirx parts', () => { |
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var part = queryPart.create({ |
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name: 'math', |
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params: ['/ 100'], |
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}); |
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expect(part.text).to.be('math(/ 100)'); |
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expect(part.render('mean(value)')).to.be('mean(value) / 100'); |
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}); |
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it('should handle alias parts', () => { |
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var part = queryPart.create({ |
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name: 'alias', |
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params: ['test'], |
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}); |
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expect(part.text).to.be('alias(test)'); |
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expect(part.render('mean(value)')).to.be('mean(value) AS "test"'); |
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}); |
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}); |
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}); |
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