From 902776973c88b9a6ef769fb938580c199ebafe6a Mon Sep 17 00:00:00 2001
From: "benscott.co.uk" <ben@benscott.co.uk>
Date: Mon, 22 Oct 2018 22:47:29 +0100
Subject: [PATCH] Fix db update

---
 .../scratchpads_messages.install                     | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/sites/all/modules/custom/scratchpads/scratchpads_messages/scratchpads_messages.install b/sites/all/modules/custom/scratchpads/scratchpads_messages/scratchpads_messages.install
index 99cc6b2d31..a759683efb 100644
--- a/sites/all/modules/custom/scratchpads/scratchpads_messages/scratchpads_messages.install
+++ b/sites/all/modules/custom/scratchpads/scratchpads_messages/scratchpads_messages.install
@@ -136,11 +136,13 @@ function scratchpads_messages_update_7003() {
     $query->isNull('m.mid');
     $result = $query->execute()->fetchAll();
 
-    $mids = array();
-    foreach($result as $row) {
-      $mids[] = $row->mid;
+    if(count($result)){
+        $mids = array();
+        foreach($result as $row) {
+          $mids[] = $row->mid;
+        }
+        db_delete($table_name)->condition('mid', $mids)->execute();
     }
-
-    db_delete($table_name)->condition('mid', $mids)->execute();
   }
 }
+