Merge branch 'master' into postgres-query-builder

public/app/plugins/datasource/postgres/datasource.ts

@@ -123,25 +123,7 @@ export class PostgresDatasource {
   }
 
   testDatasource() {
-    return this.backendSrv
-      .datasourceRequest({
-        url: '/api/tsdb/query',
-        method: 'POST',
-        data: {
-          from: '5m',
-          to: 'now',
-          queries: [
-            {
-              refId: 'A',
-              intervalMs: 1,
-              maxDataPoints: 1,
-              datasourceId: this.id,
-              rawSql: 'SELECT 1',
-              format: 'table',
-            },
-          ],
-        },
-      })
+    return this.metricFindQuery('SELECT 1', {})
       .then(res => {
         return { status: 'success', message: 'Database Connection OK' };
       })

public/app/plugins/datasource/postgres/partials/config.html

@@ -38,6 +38,14 @@
 	</div>
 </div>
 
+<h3 class="page-heading">PostgreSQL details</h3>
+
+<div class="gf-form-group">
+	<div class="gf-form">
+		<gf-form-switch class="gf-form" label="TimescaleDB" tooltip="Use TimescaleDB features (e.g., time_bucket) in Grafana" label-class="width-9" checked="ctrl.current.jsonData.timescaledb" switch-class="max-width-6"></gf-form-switch>
+	</div>
+</div>
+
 <div class="gf-form-group">
 	<div class="grafana-info-box">
 		<h5>User Permission</h5>