From d8327b60b03ef25bfa9696c9be6ca7eb078b14f0 Mon Sep 17 00:00:00 2001
From: David Monllao <davidm@moodle.com>
Date: Fri, 9 Jun 2017 17:59:31 +0200
Subject: [PATCH] MDL-57791 analytics: Delete should be an instance method

---
 analytics/classes/model.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/analytics/classes/model.php b/analytics/classes/model.php
index 56b1d57acdb..27631977c20 100644
--- a/analytics/classes/model.php
+++ b/analytics/classes/model.php
@@ -343,10 +343,10 @@ class model {
      *
      * @return void
      */
-    public static function delete() {
+    public function delete() {
         global $DB;
         $this->clear_model();
-        $DB->delete_record('analytics_models', array('id' => $this->model->id));
+        $DB->delete_records('analytics_models', array('id' => $this->model->id));
     }
 
     /**