From 78520ac3d187ef05628c57c5d88de52540889379 Mon Sep 17 00:00:00 2001
From: Ivana Huckova <30407135+ivanahuckova@users.noreply.github.com>
Date: Mon, 11 Nov 2019 16:34:37 +0100
Subject: [PATCH] Explore: Fix always disabled QueryField for InfluxDB (#20299)

---
 .../datasource/influxdb/components/InfluxLogsQueryField.tsx    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/public/app/plugins/datasource/influxdb/components/InfluxLogsQueryField.tsx b/public/app/plugins/datasource/influxdb/components/InfluxLogsQueryField.tsx
index dde33828bbb..49052f8ce78 100644
--- a/public/app/plugins/datasource/influxdb/components/InfluxLogsQueryField.tsx
+++ b/public/app/plugins/datasource/influxdb/components/InfluxLogsQueryField.tsx
@@ -133,6 +133,7 @@ export class InfluxLogsQueryField extends React.PureComponent<Props, State> {
     const { datasource } = this.props;
     const { measurements, measurement, field, error } = this.state;
     const cascadeText = getChooserText({ measurement, field, error });
+    const hasMeasurement = measurements && measurements.length > 0;
 
     return (
       <div className="gf-form-inline gf-form-inline--nowrap">
@@ -143,7 +144,7 @@ export class InfluxLogsQueryField extends React.PureComponent<Props, State> {
             onChange={this.onMeasurementsChange}
             expandIcon={null}
           >
-            <button className="gf-form-label gf-form-label--btn" disabled={!measurement}>
+            <button className="gf-form-label gf-form-label--btn" disabled={!hasMeasurement}>
               {cascadeText} <i className="fa fa-caret-down" />
             </button>
           </Cascader>