Fixed bug with adding metadata where it would try to run an UPDATE against the...

Fixed bug with adding metadata where it would try to run an UPDATE against the SQL DB if an entry did not already exist.

lib/SimpleSAML/Metadata/MetaDataStorageHandlerPdo.php

@@ -194,7 +194,7 @@ class SimpleSAML_Metadata_MetaDataStorageHandlerPdo extends SimpleSAML_Metadata_
 		$metadata->execute();
 		$retrivedEntityIDs = $metadata->fetch();
 
-		if(count($retrivedEntityIDs) > 0){
+		if($retrivedEntityIDs !== FALSE && count($retrivedEntityIDs) > 0){
 			$stmt = $this->pdo->prepare("UPDATE $tableName SET entity_data = :entity_data WHERE entity_id = :entity_id");
 		}
 		else{