Empty value drops DEFAULT

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@340 7c3ca157-0c34-0410-bff1-cbf682f78f5c

diff --git a/edit.inc.php b/edit.inc.php
index b184299a35078d1f4286f9eb256b1ce7c89a90ac..21945d261206a34348ad378b021d60c25179b52a 100644 (file)
--- a/edit.inc.php
+++ b/edit.inc.php
@@ -21,7 +21,7 @@ if ($_POST && !$error) {
                                } elseif ($field["type"] == "timestamp") {
                                        $set[] = " MODIFY " . idf_escape($name) . " timestamp" . ($field["null"] ? " NULL" : "") . " DEFAULT $val" . ($_POST["on_update"][bracket_escape($name)] ? " ON UPDATE CURRENT_TIMESTAMP" : "");
                                } else {
-                                       $set[] = " ALTER " . idf_escape($name) . ($val == "NULL" ? " DROP DEFAULT" : " SET DEFAULT $val");
+                                       $set[] = " ALTER " . idf_escape($name) . ($val == ($field["null"] ? "NULL" : "''") ? " DROP DEFAULT" : " SET DEFAULT $val");
                                }
                        }
                }