All migrations should implement this, forces up() and down() and gives
access to the CI super-global.
public function __construct($config = array())
{
parent::__construct();
// Loading the configuration fo migration
$this->config->load('migration');
foreach ($this->config->config as $key => $val) {
$this->{'_' . $key} = $val;
}
log_message('debug', 'Migrations class initialized');
// Are they trying to use migrations while it is disabled?
if ($this->_migration_enabled !== TRUE) {
show_error('Migrations has been loaded but is disabled or set up incorrectly.');
}
// If not set, set it
$this->_migration_path == '' and $this->_migration_path = APPPATH . 'migrations/';
// Add trailing slash if not set
$this->_migration_path = rtrim($this->_migration_path, '/') . '/';
// Load migration language
$this->lang->load('migration');
// They'll probably be using dbforge
$this->load->dbforge();
// If the migrations table is missing, make it
if (!$this->db->table_exists('migrations')) {
$this->dbforge->add_field(array('version' => array('type' => 'INT', 'constraint' => 3)));
$this->dbforge->create_table('migrations', TRUE);
$this->db->insert('migrations', array('version' => 0));
}
}
public function __construct($config = array())
{
parent::__construct($config);
// If the migrations type column is missing, add it
if (!$this->db->field_exists('type', $this->_migration_table)) {
$this->dbforge->add_column($this->_migration_table, array('type' => array('type' => 'VARCHAR', 'constraint' => 40, 'first' => TRUE)));
$this->db->update($this->_migration_table, array('type' => 'core'));
}
}
/**
* Class constructor method
*
* @param array $config Array of parameters to initialize class
*/
public function __construct($config = [])
{
parent::__construct($config);
$this->_set_table();
$this->_check_table();
$this->_set_directory_migrations();
$this->_set_database_migrations();
log_message('info', __CLASS__ . ' Class Initialized');
}
/**
* Class Constructor
*
* @param array $config Migration library config arguments.
*/
public function __construct($config = array())
{
parent::__construct($config);
if (!$this->db->field_exists('module', $this->_migration_table)) {
$fields = array('module' => array('type' => 'VARCHAR', 'first' => TRUE, 'constraint' => '100', 'null' => FALSE));
$this->dbforge->add_column($this->_migration_table, $fields);
$this->db->query("ALTER TABLE {$this->_migration_table} ADD PRIMARY KEY(module);");
$this->db->query("UPDATE {$this->_migration_table} SET module = '{$this->_module_name}' LIMIT 1;");
}
$this->_set_migration_path();
log_message('info', 'Craftsman Migration Class Init');
}
public function __construct()
{
parent::__construct();
}
public function __construct()
{
parent::__construct();
$this->db->data_cache = array();
}
public function __construct()
{
parent::__construct();
$this->load->dbforge();
}
public function __construct($config = array())
{
parent::__construct($config);
$this->load->model('settings_model');
}
/**
* Retrieves current schema version
*
* @return int Current Migration
*/
function get_version()
{
return parent::_get_version();
}
public function __construct($config = array())
{
parent::__construct($config);
$this->db->data_cache = array();
// reset data cache to get fresh info
}
/**
* Extends migration mechanism to create backup before running migrations and remove it on success, but keep on failure
* (non-PHPdoc)
* @see CI_Migration::version()
*/
public function version($target_version)
{
// Make DB backup
$backupFile = $this->_make_backup();
if ($backupFile === FALSE) {
log_message('DEBUG', 'Making backup before migrating failed.');
}
// Run migrationgs
$migrationsResult = parent::version($target_version);
// If everything went well - remove backup
if ($migrationsResult !== FALSE && $migrationsResult == $target_version) {
if ($backupFile !== FALSE && !$this->_delete_backup($backupFile)) {
log_message('debug', 'There was an error when removing backup file.');
}
} else {
if ($backupFile !== FALSE) {
log_message('error', 'Migrating to version ' . $target_version . ' failed. Backup from before migration stored in ' . $backupFile);
} else {
log_message('error', 'Migrating to version ' . $target_version . ' failed, but no valid backup saved.');
}
}
return $migrationsResult;
}
public function __construct($config = array())
{
parent::__construct($config);
$this->load->model('ranking_model');
$this->load->model('country_model');
}
