Fix reducer issues

public/app/core/utils/explore.ts

@@ -17,7 +17,7 @@ import {
   QueryIntervals,
   QueryOptions,
 } from 'app/types/explore';
-import { DataQuery, DataSourceApi } from 'app/types/series';
+import { DataQuery } from 'app/types/series';
 
 export const DEFAULT_RANGE = {
   from: 'now-6h',
@@ -243,8 +243,8 @@ export function calculateResultsFromQueryTransactions(
   };
 }
 
-export function getIntervals(range: RawTimeRange, datasource: DataSourceApi, resolution: number): IntervalValues {
-  if (!datasource || !resolution) {
+export function getIntervals(range: RawTimeRange, lowLimit: string, resolution: number): IntervalValues {
+  if (!resolution) {
     return { interval: '1s', intervalMs: 1000 };
   }
 
@@ -253,7 +253,7 @@ export function getIntervals(range: RawTimeRange, datasource: DataSourceApi, res
     to: parseDate(range.to, true),
   };
 
-  return kbn.calculateInterval(absoluteRange, resolution, datasource.interval);
+  return kbn.calculateInterval(absoluteRange, resolution, lowLimit);
 }
 
 export function makeTimeSeriesList(dataList) {

public/app/features/explore/QueryEditor.tsx

@@ -48,7 +48,7 @@ export default class QueryEditor extends PureComponent<QueryEditorProps, any> {
           getNextQueryLetter: x => '',
         },
         hideEditorRowActions: true,
-        ...getIntervals(range, datasource, null), // Possible to get resolution?
+        ...getIntervals(range, (datasource || {}).interval, null), // Possible to get resolution?
       },
     };
 

public/app/features/explore/state/reducers.ts

@@ -122,11 +122,12 @@ const itemReducer = (state, action: Action): ExploreItemState => {
 
     case ActionTypes.ChangeSize: {
       const { range, datasourceInstance } = state;
-      if (!datasourceInstance) {
-        return state;
+      let interval = '1s';
+      if (datasourceInstance && datasourceInstance.interval) {
+        interval = datasourceInstance.interval;
       }
       const containerWidth = action.width;
-      const queryIntervals = getIntervals(range, datasourceInstance.interval, containerWidth);
+      const queryIntervals = getIntervals(range, interval, containerWidth);
       return { ...state, containerWidth, queryIntervals };
     }
 
@@ -189,6 +190,11 @@ const itemReducer = (state, action: Action): ExploreItemState => {
       return { ...state, ...results, queryTransactions: nextQueryTransactions, showingTable };
     }
 
+    case ActionTypes.HighlightLogsExpression: {
+      const { expressions } = action;
+      return { ...state, logsHighlighterExpressions: expressions };
+    }
+
     case ActionTypes.InitializeExplore: {
       const { containerWidth, eventBridge, exploreDatasources, range } = action;
       return {