influxdb: use paranthesis for influxdb queries in frontend query builder, #9131

public/app/plugins/datasource/influxdb/influx_query.ts

@@ -229,8 +229,11 @@ export default class InfluxQuery {
       return this.renderTagCondition(tag, index, interpolate);
     });
 
-    query += conditions.join(' ');
-    query += (conditions.length > 0 ? ' AND ' : '') + '$timeFilter';
+    if (conditions.length > 0) {
+      query += '(' + conditions.join(' ') + ') AND ';
+    }
+
+    query += '$timeFilter';
 
     var groupBySection = "";
     for (i = 0; i < this.groupByParts.length; i++) {

public/app/plugins/datasource/influxdb/specs/influx_query_specs.ts

@@ -57,7 +57,7 @@ describe('InfluxQuery', function() {
 
       var queryText = query.render();
 
-      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE "hostname" = \'server\\\\1\' AND $timeFilter'
+      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE ("hostname" = \'server\\\\1\') AND $timeFilter'
                           + ' GROUP BY time($__interval)');
     });
 
@@ -69,7 +69,7 @@ describe('InfluxQuery', function() {
       }, templateSrv, {});
 
       var queryText = query.render();
-      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE "app" =~ /e.*/ AND $timeFilter GROUP BY time($__interval)');
+      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE ("app" =~ /e.*/) AND $timeFilter GROUP BY time($__interval)');
     });
   });
 
@@ -82,7 +82,7 @@ describe('InfluxQuery', function() {
       }, templateSrv, {});
 
       var queryText = query.render();
-      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE "hostname" = \'server1\' AND "app" = \'email\' AND ' +
+      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE ("hostname" = \'server1\' AND "app" = \'email\') AND ' +
                           '$timeFilter GROUP BY time($__interval)');
     });
   });
@@ -96,7 +96,7 @@ describe('InfluxQuery', function() {
       }, templateSrv, {});
 
       var queryText = query.render();
-      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE "hostname" = \'server1\' OR "hostname" = \'server2\' AND ' +
+      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE ("hostname" = \'server1\' OR "hostname" = \'server2\') AND ' +
                           '$timeFilter GROUP BY time($__interval)');
     });
   });
@@ -110,7 +110,7 @@ describe('InfluxQuery', function() {
       }, templateSrv, {});
 
       var queryText = query.render();
-      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE "value" > 5 AND $timeFilter');
+      expect(queryText).to.be('SELECT mean("value") FROM "cpu" WHERE ("value" > 5) AND $timeFilter');
     });
   });