diff --git a/sql-schema/057.sql b/sql-schema/057.sql
new file mode 100644
index 000000000..d9b22511f
--- /dev/null
+++ b/sql-schema/057.sql
@@ -0,0 +1,3 @@
+ALTER TABLE  `ipv4_mac` CHANGE  `mac_address`  `mac_address` CHAR( 32 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL , CHANGE  `ipv4_address`  `ipv4_address` CHAR( 32 ) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL
+ALTER TABLE  `ipv4_mac` ADD INDEX (  `port_id`), ADD INDEX (`mac_address` )
+ALTER TABLE `ipv4_mac` DROP INDEX `interface_id`, DROP INDEX `interface_id_2`