Make timestamp columns nullable
@@ -64,8 +64,8 @@ public interface FunctionNamespaceDao
" description text,\n" +
" deleted boolean NOT NULL DEFAULT false,\n" +
" delete_time TIMESTAMP NULL DEFAULT NULL,\n" +
- " create_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,\n" +
- " update_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,\n" +
+ " create_time TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP,\n" +
+ " update_time TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,\n" +
" PRIMARY KEY (id),\n" +
" KEY function_id_hash_version (function_id_hash, version),\n" +
" KEY qualified_function_name (catalog_name, schema_name, function_name))")
