Close #572: allow setting the HighCharts turbo threshold value

rd_ui/app/scripts/ng_highchart.js

@@ -272,6 +272,9 @@
             };
 
             var chartOptions = $.extend(true, {}, defaultOptions, chartsDefaults);
+            chartOptions.plotOptions.series = {
+              turboThreshold: featureFlags.highChartsTurboThreshold
+            }
 
             // $timeout makes sure that this function invoked after the DOM ready. When draw/init
             // invoked after the DOM is ready, we see first an empty HighCharts objects and later

redash/handlers/static.py

@@ -38,7 +38,8 @@ def index(**kwargs):
 
     features = {
         'clientSideMetrics': settings.CLIENT_SIDE_METRICS,
-        'allowScriptsInUserInput': settings.ALLOW_SCRIPTS_IN_USER_INPUT
+        'allowScriptsInUserInput': settings.ALLOW_SCRIPTS_IN_USER_INPUT,
+        'highChartsTurboThreshold': settings.HIGHCHARTS_TURBO_THRESHOLD
     }
 
     return render_template("index.html", user=json.dumps(user), name=settings.NAME,

redash/settings.py

@@ -142,6 +142,8 @@ SENTRY_DSN = os.environ.get("REDASH_SENTRY_DSN", "")
 # Client side toggles:
 ALLOW_SCRIPTS_IN_USER_INPUT = parse_boolean(os.environ.get("REDASH_ALLOW_SCRIPTS_IN_USER_INPUT", "false"))
 CLIENT_SIDE_METRICS = parse_boolean(os.environ.get("REDASH_CLIENT_SIDE_METRICS", "false"))
+# http://api.highcharts.com/highcharts#plotOptions.series.turboThreshold
+HIGHCHARTS_TURBO_THRESHOLD = int(os.environ.get("REDASH_HIGHCHARTS_TURBO_THRESHOLD", "1000"))
 
 # Features:
 FEATURE_ALLOW_ALL_TO_EDIT_QUERIES = parse_boolean(os.environ.get("REDASH_FEATURE_ALLOW_ALL_TO_EDIT", "true"))