Check for existance before creation

diff --git a/update.php b/update.php
index bb733ebc20118d9e4bb19f008f0ecc609fafa726..3d8721a342f12173b75e66fab71c197b5bf11019 100644 (file)
--- a/update.php
+++ b/update.php
@@ -434,10 +434,12 @@ function update_1347()
 
 function pre_update_1348()
 {
-       DBA::insert('contact', ['nurl' => '']);
-       $lastid = DBA::lastInsertId();
-       if ($lastid != 0) {
-               DBA::update('contact', ['id' => 0], ['id' => $lastid]);
+       if (!DBA::exists('contact', ['id' => 0])) {
+               DBA::insert('contact', ['nurl' => '']);
+               $lastid = DBA::lastInsertId();
+               if ($lastid != 0) {
+                       DBA::update('contact', ['id' => 0], ['id' => $lastid]);
+               }
        }
 
        // The tables "permissionset" and "tag" could or could not exist during the update.
@@ -453,17 +455,20 @@ function update_1348()
 {
        // Insert a permissionset with id=0
        // Setting it to -1 and then changing the value to 0 tricks the auto increment
-       DBA::insert('permissionset', ['allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '']);       
-       $lastid = DBA::lastInsertId();
-       if ($lastid != 0) {
-               DBA::update('permissionset', ['id' => 0], ['id' => $lastid]);
+       if (!DBA::exists('permissionset', ['id' => 0])) {
+               DBA::insert('permissionset', ['allow_cid' => '', 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '']);       
+               $lastid = DBA::lastInsertId();
+               if ($lastid != 0) {
+                       DBA::update('permissionset', ['id' => 0], ['id' => $lastid]);
+               }
        }
 
-
-       DBA::insert('tag', ['name' => '']);
-       $lastid = DBA::lastInsertId();
-       if ($lastid != 0) {
-               DBA::update('tag', ['id' => 0], ['id' => $lastid]);
+       if (!DBA::exists('tag', ['id' => 0])) {
+               DBA::insert('tag', ['name' => '']);
+               $lastid = DBA::lastInsertId();
+               if ($lastid != 0) {
+                       DBA::update('tag', ['id' => 0], ['id' => $lastid]);
+               }
        }
 
        return Update::SUCCESS;