2 files changed, 12 insertions, 4 deletions
diff --git a/vendor/sabre/dav/lib/CardDAV/Backend/BackendInterface.php b/vendor/sabre/dav/lib/CardDAV/Backend/BackendInterface.php
index b9691b906..54e42b899 100644
--- a/vendor/sabre/dav/lib/CardDAV/Backend/BackendInterface.php
+++ b/vendor/sabre/dav/lib/CardDAV/Backend/BackendInterface.php
@@ -55,12 +55,15 @@ interface BackendInterface {
     function updateAddressBook($addressBookId, \Sabre\DAV\PropPatch $propPatch);
 
     /**
-     * Creates a new address book
+     * Creates a new address book.
+     *
+     * This method should return the id of the new address book. The id can be
+     * in any format, including ints, strings, arrays or objects.
      *
      * @param string $principalUri
      * @param string $url Just the 'basename' of the url.
      * @param array $properties
-     * @return void
+     * @return mixed
      */
     function createAddressBook($principalUri, $url, array $properties);
 
diff --git a/vendor/sabre/dav/lib/CardDAV/Backend/PDO.php b/vendor/sabre/dav/lib/CardDAV/Backend/PDO.php
index 5509ddc02..7c3feff93 100644
--- a/vendor/sabre/dav/lib/CardDAV/Backend/PDO.php
+++ b/vendor/sabre/dav/lib/CardDAV/Backend/PDO.php
@@ -128,7 +128,7 @@ class PDO extends AbstractBackend implements SyncSupport {
                 } else {
                     $query .= ', ';
                 }
-                $query .= ' `' . $key . '` = :' . $key . ' ';
+                $query .= ' ' . $key . ' = :' . $key . ' ';
             }
             $query .= ' WHERE id = :addressbookid';
 
@@ -180,7 +180,9 @@ class PDO extends AbstractBackend implements SyncSupport {
         $query = 'INSERT INTO ' . $this->addressBooksTableName . ' (uri, displayname, description, principaluri, synctoken) VALUES (:uri, :displayname, :description, :principaluri, 1)';
         $stmt = $this->pdo->prepare($query);
         $stmt->execute($values);
-        return $this->pdo->lastInsertId();
+        return $this->pdo->lastInsertId(
+            $this->addressBooksTableName . '_id_seq'
+        );
 
     }
 
@@ -230,6 +232,7 @@ class PDO extends AbstractBackend implements SyncSupport {
         $result = [];
         while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
             $row['etag'] = '"' . $row['etag'] . '"';
+            $row['lastmodified'] = (int)$row['lastmodified'];
             $result[] = $row;
         }
         return $result;
@@ -258,6 +261,7 @@ class PDO extends AbstractBackend implements SyncSupport {
         if (!$result) return false;
 
         $result['etag'] = '"' . $result['etag'] . '"';
+        $result['lastmodified'] = (int)$result['lastmodified'];
         return $result;
 
     }
@@ -286,6 +290,7 @@ class PDO extends AbstractBackend implements SyncSupport {
         $result = [];
         while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
             $row['etag'] = '"' . $row['etag'] . '"';
+            $row['lastmodified'] = (int)$row['lastmodified'];
             $result[] = $row;
         }
         return $result;