Update client version to resolve query bottleneck

CHANGELOG.md

@@ -1,3 +1,13 @@
+## v2.0.0-alpha.13 [unreleased]
+
+### Features
+
+### Bug Fixes
+
+### UI Improvements
+
+1. [14157](https://github.com/influxdata/influxdb/pull/14157): Remove rendering bottleneck when streaming Flux responses
+
 ## v2.0.0-alpha.13 [2019-06-13]
 
 ### Features

ui/package.json

@@ -140,7 +140,7 @@
   },
   "dependencies": {
     "@influxdata/clockface": "0.0.13",
-    "@influxdata/influx": "github:influxdata/influxdb2-js#dev",
+    "@influxdata/influx": "0.3.5",
     "@influxdata/influxdb-templates": "influxdata/influxdb-templates",
     "@influxdata/react-custom-scrollbars": "4.3.8",
     "@influxdata/giraffe": "0.12.1",

ui/src/dataLoaders/components/verifyStep/DataListening.tsx

@@ -118,19 +118,19 @@ class DataListening extends PureComponent<OwnProps & WithRouterProps, State> {
     const script = `from(bucket: "${bucket}")
       |> range(start: -1m)`
 
-    let rowCount: number
+    let responseLength: number
     let timePassed: number
 
     try {
       const response = await runQuery(orgID, script).promise
-      rowCount = response.rowCount
+      responseLength = response.length
       timePassed = Number(new Date()) - this.startTime
     } catch (err) {
       this.setState({loading: LoadingState.Error})
       return
     }
 
-    if (rowCount > 1) {
+    if (responseLength > 1) {
       this.setState({loading: LoadingState.Done})
       return
     }
@@ -139,6 +139,7 @@ class DataListening extends PureComponent<OwnProps & WithRouterProps, State> {
       this.setState({loading: LoadingState.NotFound})
       return
     }
+
     this.intervalID = setTimeout(this.checkForData, FETCH_WAIT)
   }
 

ui/src/shared/apis/query.ts

@@ -1,68 +1,36 @@
-import Deferred from 'src/utils/Deferred'
 import {getWindowVars} from 'src/variables/utils/getWindowVars'
 import {buildVarsOption} from 'src/variables/utils/buildVarsOption'
 import {client} from 'src/utils/api'
 
-import {File} from '@influxdata/influx'
+import {
+  File,
+  CancellationError as ClientCancellationError,
+} from '@influxdata/influx'
 
 // Types
 import {WrappedCancelablePromise, CancellationError} from 'src/types/promises'
 import {VariableAssignment} from 'src/types/ast'
 
-const MAX_ROWS = 50000
-
-export interface ExecuteFluxQueryResult {
-  csv: string
-  didTruncate: boolean
-  rowCount: number
-}
+const MAX_RESPONSE_CHARS = 50000 * 160
 
 export const runQuery = (
   orgID: string,
   query: string,
   extern?: File
-): WrappedCancelablePromise<ExecuteFluxQueryResult> => {
-  const deferred = new Deferred()
-
-  const conn = client.queries.execute(orgID, query, extern)
-
-  let didTruncate = false
-  let rowCount = 0
-  let csv = ''
-
-  conn.stream.on('data', d => {
-    rowCount++
-    csv += d
-
-    if (rowCount < MAX_ROWS) {
-      return
-    }
-
-    didTruncate = true
-    conn.cancel()
+): WrappedCancelablePromise<string> => {
+  const {promise, cancel} = client.queries.execute(orgID, query, {
+    extern,
+    limitChars: MAX_RESPONSE_CHARS,
   })
 
-  conn.stream.on('end', () => {
-    const result: ExecuteFluxQueryResult = {
-      csv,
-      didTruncate,
-      rowCount,
-    }
-
-    deferred.resolve(result)
-  })
+  // Convert the client `CancellationError` to a UI `CancellationError`
+  const wrappedPromise = promise.catch(error =>
+    error instanceof ClientCancellationError
+      ? Promise.reject(CancellationError)
+      : Promise.reject(error)
+  )
 
-  conn.stream.on('error', err => {
-    deferred.reject(err)
-  })
-
-  return {
-    promise: deferred.promise,
-    cancel: () => {
-      conn.cancel()
-      deferred.reject(new CancellationError())
-    },
-  }
+  return {promise: wrappedPromise, cancel}
 }
 
 /*
@@ -86,7 +54,7 @@ export const executeQueryWithVars = (
   orgID: string,
   query: string,
   variables?: VariableAssignment[]
-): WrappedCancelablePromise<ExecuteFluxQueryResult> => {
+): WrappedCancelablePromise<string> => {
   let isCancelled = false
   let cancelExecution
 

ui/src/shared/components/TimeSeries.tsx

@@ -6,10 +6,7 @@ import {withRouter, WithRouterProps} from 'react-router'
 import {fromFlux, FromFluxResult} from '@influxdata/giraffe'
 
 // API
-import {
-  executeQueryWithVars,
-  ExecuteFluxQueryResult,
-} from 'src/shared/apis/query'
+import {executeQueryWithVars} from 'src/shared/apis/query'
 
 // Utils
 import {checkQueryResult} from 'src/shared/utils/checkQueryResult'
@@ -81,9 +78,7 @@ class TimeSeries extends Component<Props & WithRouterProps, State> {
 
   public state: State = defaultState()
 
-  private pendingResults: Array<
-    WrappedCancelablePromise<ExecuteFluxQueryResult>
-  > = []
+  private pendingResults: Array<WrappedCancelablePromise<string>> = []
 
   public async componentDidMount() {
     this.reload()
@@ -144,10 +139,8 @@ class TimeSeries extends Component<Props & WithRouterProps, State> {
       )
 
       // Wait for new queries to complete
-      const results = await Promise.all(this.pendingResults.map(r => r.promise))
-
+      const files = await Promise.all(this.pendingResults.map(r => r.promise))
       const duration = Date.now() - startTime
-      const files = results.map(r => r.csv)
       const giraffeResult = fromFlux(files.join('\n\n'))
 
       files.forEach(checkQueryResult)

ui/src/timeMachine/actions/queries.ts

@@ -1,10 +1,7 @@
 import {get} from 'lodash'
 
 // API
-import {
-  executeQueryWithVars,
-  ExecuteFluxQueryResult,
-} from 'src/shared/apis/query'
+import {executeQueryWithVars} from 'src/shared/apis/query'
 
 // Actions
 import {refreshVariableValues, selectValue} from 'src/variables/actions'
@@ -85,7 +82,7 @@ export const refreshTimeMachineVariableValues = () => async (
   await dispatch(refreshVariableValues(contextID, variablesToRefresh))
 }
 
-let pendingResults: Array<WrappedCancelablePromise<ExecuteFluxQueryResult>> = []
+let pendingResults: Array<WrappedCancelablePromise<string>> = []
 
 export const executeQueries = () => async (dispatch, getState: GetState) => {
   const {view, timeRange} = getActiveTimeMachine(getState())
@@ -115,10 +112,9 @@ export const executeQueries = () => async (dispatch, getState: GetState) => {
       executeQueryWithVars(orgID, text, variableAssignments)
     )
 
-    const results = await Promise.all(pendingResults.map(r => r.promise))
+    const files = await Promise.all(pendingResults.map(r => r.promise))
 
     const duration = Date.now() - startTime
-    const files = results.map(r => r.csv)
 
     files.forEach(checkQueryResult)
 

ui/src/timeMachine/apis/queryBuilder.ts

@@ -2,7 +2,7 @@
 import {get} from 'lodash'
 
 // APIs
-import {runQuery, ExecuteFluxQueryResult} from 'src/shared/apis/query'
+import {runQuery} from 'src/shared/apis/query'
 import {parseResponse} from 'src/shared/parsing/flux/response'
 
 // Utils
@@ -122,11 +122,8 @@ export function findValues({
   }
 }
 
-export function extractCol(
-  resp: ExecuteFluxQueryResult,
-  colName: string
-): string[] {
-  const tables = parseResponse(resp.csv)
+export function extractCol(resp: string, colName: string): string[] {
+  const tables = parseResponse(resp)
   const data = get(tables, '0.data', [])
 
   if (!data.length) {

ui/src/variables/utils/ValueFetcher.ts

@@ -87,7 +87,7 @@ export class DefaultValueFetcher implements ValueFetcher {
 
     const request = executeQueryWithVars(orgID, query, variables)
 
-    const promise = request.promise.then(({csv}) => {
+    const promise = request.promise.then(csv => {
       const values = extractValues(csv, prevSelection, defaultSelection)
 
       this.cache[key] = values