FEATURE: Show the number of results after running a query (limit 250)

assets/javascripts/discourse/components/query-result.js.es6

@@ -1,6 +1,7 @@
 import { ajax } from 'discourse/lib/ajax';
 import Badge from 'discourse/models/badge';
 import { getOwner } from 'discourse-common/lib/get-owner';
+import { default as computed } from 'ember-addons/ember-computed-decorators';
 
 function randomIdShort() {
   return 'xxxxxxxx'.replace(/[xy]/g, function() {
@@ -29,8 +30,17 @@ const QueryResultComponent = Ember.Component.extend({
   columns: Em.computed.alias('content.columns'),
   params: Em.computed.alias('content.params'),
   explainText: Em.computed.alias('content.explain'),
-
   hasExplain: Em.computed.notEmpty('content.explain'),
+
+  @computed('content.result_count')
+  resultCount: function(count) {
+    if (count === 250) {
+      return I18n.t('explorer.max_result_count', { count });
+    } else {
+      return I18n.t('explorer.result_count', { count });
+    }
+  },
+
   colCount: function() {
     return this.get('content.columns').length;
   }.property('content.columns.length'),

assets/javascripts/discourse/templates/explorer-query-result.hbs

@@ -4,6 +4,7 @@
 </div>
 
 <div class="result-about">
+  {{resultCount}}
   {{duration}}
 </div>
 

config/locales/client.en.yml

@@ -52,6 +52,12 @@ en:
       download_csv: "CSV"
       others_dirty: "A query has unsaved changes that will be lost if you navigate away."
       run_time: "Query completed in {{value}} ms."
+      result_count:
+        one: "%{count} result."
+        other: "%{count} results."
+      max_result_count:
+        one: "Showing top %{count} results."
+        other: "Showing top %{count} results."
       query_name: "Query"
       query_description: "Description"
       query_time: "Last run"

plugin.rb

@@ -1050,6 +1050,7 @@ SQL
               success: true,
               errors: [],
               duration: (result[:duration_secs].to_f * 1000).round(1),
+              result_count: pg_result.values.length || 0,
               params: query_params,
               columns: cols,
             }