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<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class Migration_Add_users extends CI_Migration {
public function up()
{
if ($this->db->dbdriver == 'postgre') {
$this->db->query('
CREATE TABLE IF NOT EXISTS "users" (
"id" serial PRIMARY KEY,
"username" character varying(32) NOT NULL,
"password" character varying(60) NOT NULL,
"email" character varying(255) NOT NULL
)
');
$this->db->query('
CREATE TABLE IF NOT EXISTS "ci_sessions" (
"session_id" character varying(40) NOT NULL DEFAULT 0,
"ip_address" character varying(16) NOT NULL DEFAULT 0,
"user_agent" character varying(120) NOT NULL,
"last_activity" integer NOT NULL DEFAULT 0,
"user_data" text NOT NULL,
PRIMARY KEY ("session_id")
);
CREATE INDEX "ci_sessions_last_activity_idx" ON "ci_sessions" ("last_activity");
');
$this->db->query('
ALTER TABLE "files" ADD "user" integer NOT NULL DEFAULT 0;
CREATE INDEX "user_idx" ON "files" ("user");
');
} else {
$this->db->query("
CREATE TABLE IF NOT EXISTS `users` (
`id` int(8) UNSIGNED NOT NULL AUTO_INCREMENT,
`username` varchar(32) COLLATE ascii_general_ci NOT NULL,
`password` varchar(60) COLLATE ascii_general_ci NOT NULL,
`email` varchar(255) COLLATE ascii_general_ci NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
");
$this->db->query("
CREATE TABLE IF NOT EXISTS `ci_sessions` (
`session_id` varchar(40) NOT NULL DEFAULT '0',
`ip_address` varchar(16) NOT NULL DEFAULT '0',
`user_agent` varchar(120) NOT NULL,
`last_activity` int(10) unsigned NOT NULL DEFAULT '0',
`user_data` text NOT NULL,
PRIMARY KEY (`session_id`),
KEY `last_activity_idx` (`last_activity`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
");
$this->db->query("
ALTER TABLE `files`
ADD `user` INT(8) UNSIGNED NOT NULL DEFAULT '0',
ADD INDEX (`user`)
");
}
}
public function down()
{
$this->dbforge->drop_table('users');
$this->dbforge->drop_table('ci_sessions');
if ($this->db->dbdriver == 'postgre') {
$this->db->query('ALTER TABLE "files" DROP "user"');
} else {
$this->db->query('ALTER TABLE `files` DROP `user`');
}
}
}
|
