feature:65 add pwg_db_errno and pwg_db_error

git-svn-id: http://piwigo.org/svn/trunk@21088 68402e56-0260-453c-a942-63ccdbb3a9ee

include/dblayer/functions_mysql.inc.php

@@ -179,6 +179,16 @@ function pwg_db_insert_id()
   return mysql_insert_id();
 }
 
+function pwg_db_errno()
+{
+  return mysql_errno();
+}
+
+function pwg_db_error()
+{
+  return mysql_error();
+}
+
 function pwg_db_close()
 {
   return mysql_close();

include/dblayer/functions_mysqli.inc.php

@@ -189,6 +189,20 @@ function pwg_db_insert_id()
   return $mysqli->insert_id;
 }
 
+function pwg_db_errno()
+{
+  global $mysqli;
+  
+  return $mysqli->errno;
+}
+
+function pwg_db_error()
+{
+  global $mysqli;
+  
+  return $mysqli->error;
+}
+
 function pwg_db_close()
 {
   global $mysqli;