eventlog saves IP addresses in plaintext

qa-include/db/install.php

@@ -1472,8 +1472,7 @@
 					// convert IP addresses to new binary format
 					$eventlog_exists = (bool)qa_db_read_one_value(qa_db_query_sub("SELECT 1 FROM ^eventlog LIMIT 1"));
 					if($eventlog_exists){
-						qa_db_upgrade_query('ALTER TABLE ^eventlog MODIFY ipaddress VARBINARY(16) NULL DEFAULT NULL');
-						qa_db_upgrade_query('UPDATE ^eventlog SET ipaddress = UNHEX(HEX(CAST(ipaddress AS UNSIGNED)))');
+						qa_db_upgrade_query('ALTER TABLE ^eventlog MODIFY ipaddress VARCHAR(45) CHARACTER SET ascii');
 					}
 					
 					qa_db_upgrade_query('ALTER TABLE ^cookies MODIFY writeip VARBINARY(16) NULL DEFAULT NULL, MODIFY createip VARBINARY(16) NULL DEFAULT NULL');