PostgreSQL support

sql/mysql.sql

@@ -8,7 +8,7 @@ CREATE TABLE IF NOT EXISTS `defense` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `epoch` int(11) NOT NULL,
   `type` tinyint(4) NOT NULL,
-  `ipaddr` varchar(40) NOT NULL,
+  `ipaddr` varchar(256) NOT NULL,
   `data` text NOT NULL,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=30 ;

sql/postgresql.sql

@@ -0,0 +1,12 @@
+CREATE SEQUENCE defense_seq;
+
+CREATE TABLE IF NOT EXISTS defense (
+  id int NOT NULL DEFAULT NEXTVAL ('defense_seq'),
+  epoch int NOT NULL,
+  type smallint NOT NULL,
+  ipaddr varchar(256) NOT NULL,
+  data text NOT NULL,
+  PRIMARY KEY (id)
+)    ;
+ 
+ALTER SEQUENCE defense_seq RESTART WITH 30;