diff -up php-5.2.17/ext/mysqli/mysqli_api.c.bug-39847 php-5.2.17/ext/mysqli/mysqli_api.c
--- php-5.2.17/ext/mysqli/mysqli_api.c.bug-39847	2010-04-21 19:52:24.000000000 +0700
+++ php-5.2.17/ext/mysqli/mysqli_api.c	2011-08-28 11:33:15.000000000 +0700
@@ -795,6 +795,8 @@ PHP_FUNCTION(mysqli_fetch_field) 
 	add_property_string(return_value, "orgname",(field->org_name ? field->org_name : ""), 1);
 	add_property_string(return_value, "table",(field->table ? field->table : ""), 1);
 	add_property_string(return_value, "orgtable",(field->org_table ? field->org_table : ""), 1);
+	add_property_string(return_value, "db",(field->db ? field->db : ""), 1);
+	add_property_string(return_value, "catalog",(field->catalog ? field->catalog : ""), 1);
 	add_property_string(return_value, "def",(field->def ? field->def : ""), 1);
 	add_property_long(return_value, "max_length", field->max_length);
 	add_property_long(return_value, "length", field->length);
@@ -878,6 +880,8 @@ PHP_FUNCTION(mysqli_fetch_field_direct) 
 	add_property_string(return_value, "orgname",(field->org_name ? field->org_name : ""), 1);
 	add_property_string(return_value, "table",(field->table ? field->table : ""), 1);
 	add_property_string(return_value, "orgtable",(field->org_table ? field->org_table : ""), 1);
+	add_property_string(return_value, "db",(field->db ? field->db : ""), 1);
+	add_property_string(return_value, "catalog",(field->catalog ? field->catalog : ""), 1);
 	add_property_string(return_value, "def",(field->def ? field->def : ""), 1);
 	add_property_long(return_value, "max_length", field->max_length);
 	add_property_long(return_value, "length", field->length);