mysql: added default query template

pkg/services/sqlstore/sql_test_data.go

@@ -61,11 +61,6 @@ func InsertSqlTestData(cmd *m.InsertSqlTestDataCommand) error {
 		sqlRandomWalk("server2", "frontend", 100, 1.123, sess)
 		sqlRandomWalk("server3", "frontend", 100, 1.123, sess)
 
-		sqlRandomWalk("server1", "backend", 100, 1.123, sess)
-		sqlRandomWalk("server2", "backend", 100, 1.123, sess)
-		sqlRandomWalk("server3", "backend", 100, 1.123, sess)
-		sqlRandomWalk("db-server1", "backend", 100, 1.123, sess)
-
 		return err
 	})
 }

public/app/plugins/datasource/mysql/module.ts

@@ -9,12 +9,23 @@ export interface MysqlQuery {
   refId: string;
   format: string;
   alias: string;
+  rawSql: string;
 }
 
 export interface QueryMeta {
   sql: string;
 }
 
+
+var defaulQuery = `SELECT
+  UNIX_TIMESTAMP(<time_column>) as time_sec,
+  <value column> as value,
+  <series name column> as metric
+FROM <table name>
+WHERE $__timeFilter(time_column)
+ORDER BY <time_column> ASC
+`;
+
 class MysqlQueryCtrl extends QueryCtrl {
   static templateUrl = 'partials/query.editor.html';
 
@@ -35,6 +46,10 @@ class MysqlQueryCtrl extends QueryCtrl {
       {text: 'Table', value: 'table'},
     ];
 
+    if (!this.target.rawSql) {
+      this.target.rawSql = defaulQuery;
+    }
+
     this.panelCtrl.events.on('data-received', this.onDataReceived.bind(this), $scope);
     this.panelCtrl.events.on('data-error', this.onDataError.bind(this), $scope);
   }