/**
* Update database with Schema object
* Should be called via the run method
*
* @param CakeSchema $Schema
* @param string $table
* @return void
*/
protected function _update(&$Schema, $table = null)
{
$db = ConnectionManager::getDataSource($this->Schema->connection);
$this->out(__d('cake_console', 'Comparing Database to Schema...'));
$options = array();
if (isset($this->params['force'])) {
$options['models'] = false;
}
$Old = $this->Schema->read($options);
$compare = $this->Schema->compare($Old, $Schema);
$contents = array();
if (empty($table)) {
foreach ($compare as $table => $changes) {
$contents[$table] = $db->alterSchema(array($table => $changes), $table);
}
} elseif (isset($compare[$table])) {
$contents[$table] = $db->alterSchema(array($table => $compare[$table]), $table);
}
if (empty($contents)) {
$this->out(__d('cake_console', 'Schema is up to date.'));
$this->_stop();
}
$this->out("\n" . __d('cake_console', 'The following statements will run.'));
$this->out(array_map('trim', $contents));
if ('y' == $this->in(__d('cake_console', 'Are you sure you want to alter the tables?'), array('y', 'n'), 'n')) {
$this->out();
$this->out(__d('cake_console', 'Updating Database...'));
$this->_run($contents, 'update', $Schema);
}
$this->out(__d('cake_console', 'End update.'));
}
/**
* test alterSchema on two tables.
*
* @return void
*/
public function testAlteringTwoTables()
{
$schema1 = new CakeSchema(array('name' => 'AlterTest1', 'connection' => 'test', 'altertest' => array('id' => array('type' => 'integer', 'null' => false, 'default' => 0), 'name' => array('type' => 'string', 'null' => false, 'length' => 50)), 'other_table' => array('id' => array('type' => 'integer', 'null' => false, 'default' => 0), 'name' => array('type' => 'string', 'null' => false, 'length' => 50))));
$schema2 = new CakeSchema(array('name' => 'AlterTest1', 'connection' => 'test', 'altertest' => array('id' => array('type' => 'integer', 'null' => false, 'default' => 0), 'field_two' => array('type' => 'string', 'null' => false, 'length' => 50)), 'other_table' => array('id' => array('type' => 'integer', 'null' => false, 'default' => 0), 'field_two' => array('type' => 'string', 'null' => false, 'length' => 50))));
$result = $this->db->alterSchema($schema2->compare($schema1));
$this->assertEquals(2, substr_count($result, 'field_two'), 'Too many fields');
$this->assertFalse(strpos(';ALTER', $result), 'Too many semi colons');
}
/**
* Test the alter index capabilities of postgres
*
* @access public
* @return void
*/
function testAlterIndexes()
{
$this->db->cacheSources = false;
$schema1 = new CakeSchema(array('name' => 'AlterTest1', 'connection' => 'test_suite', 'altertest' => array('id' => array('type' => 'integer', 'null' => false, 'default' => 0), 'name' => array('type' => 'string', 'null' => false, 'length' => 50), 'group1' => array('type' => 'integer', 'null' => true), 'group2' => array('type' => 'integer', 'null' => true))));
$this->db->query($this->db->createSchema($schema1));
$schema2 = new CakeSchema(array('name' => 'AlterTest2', 'connection' => 'test_suite', 'altertest' => array('id' => array('type' => 'integer', 'null' => false, 'default' => 0), 'name' => array('type' => 'string', 'null' => false, 'length' => 50), 'group1' => array('type' => 'integer', 'null' => true), 'group2' => array('type' => 'integer', 'null' => true), 'indexes' => array('name_idx' => array('column' => 'name', 'unique' => 0), 'group_idx' => array('column' => 'group1', 'unique' => 0), 'compound_idx' => array('column' => array('group1', 'group2'), 'unique' => 0), 'PRIMARY' => array('column' => 'id', 'unique' => 1)))));
$this->db->query($this->db->alterSchema($schema2->compare($schema1)));
$indexes = $this->db->index('altertest');
$this->assertEqual($schema2->tables['altertest']['indexes'], $indexes);
// Change three indexes, delete one and add another one
$schema3 = new CakeSchema(array('name' => 'AlterTest3', 'connection' => 'test_suite', 'altertest' => array('id' => array('type' => 'integer', 'null' => false, 'default' => 0), 'name' => array('type' => 'string', 'null' => false, 'length' => 50), 'group1' => array('type' => 'integer', 'null' => true), 'group2' => array('type' => 'integer', 'null' => true), 'indexes' => array('name_idx' => array('column' => 'name', 'unique' => 1), 'group_idx' => array('column' => 'group2', 'unique' => 0), 'compound_idx' => array('column' => array('group2', 'group1'), 'unique' => 0), 'another_idx' => array('column' => array('group1', 'name'), 'unique' => 0)))));
$this->db->query($this->db->alterSchema($schema3->compare($schema2)));
$indexes = $this->db->index('altertest');
$this->assertEqual($schema3->tables['altertest']['indexes'], $indexes);
// Compare us to ourself.
$this->assertEqual($schema3->compare($schema3), array());
// Drop the indexes
$this->db->query($this->db->alterSchema($schema1->compare($schema3)));
$indexes = $this->db->index('altertest');
$this->assertEqual(array(), $indexes);
$this->db->query($this->db->dropSchema($schema1));
}
/**
* test comparing '' and null and making sure they are different.
*
* @return void
*/
public function testCompareEmptyStringAndNull()
{
$One = new CakeSchema(array('posts' => array('id' => array('type' => 'integer', 'null' => false, 'default' => null, 'key' => 'primary'), 'name' => array('type' => 'string', 'null' => false, 'default' => ''))));
$Two = new CakeSchema(array('posts' => array('id' => array('type' => 'integer', 'null' => false, 'default' => null, 'key' => 'primary'), 'name' => array('type' => 'string', 'null' => false, 'default' => null))));
$compare = $One->compare($Two);
$expected = array('posts' => array('change' => array('name' => array('type' => 'string', 'null' => false, 'default' => null))));
$this->assertEquals($expected, $compare);
}
/**
* afterSave method
*
* If a default has just been saved check the db and update the table if the db default is different.
*
* @return void
* @access public
*/
function afterSave()
{
if (isset($this->data['Enum']['default']) && $this->data['Enum']['default']) {
$conditions['type'] = isset($this->data['Enum']['type']) ? $this->data['Enum']['type'] : $this->field('type');
$conditions['NOT']['Enum.id'] = $this->id;
$this->updateAll(array('default' => 'false'), $conditions);
$default = isset($this->data['Enum']['value']) ? $this->data['Enum']['value'] : $this->field('value');
if ($default) {
$db =& ConnectionManager::getDataSource($this->useDbConfig);
App::import('Model', 'CakeSchema');
$Schema = new CakeSchema(array('connection' => $this->useDbConfig));
$update = $current = $Schema->read(array('models' => false));
list($model, $field) = explode('.', $conditions['type']);
$table = Inflector::tableize($model);
if (isset($update['tables'][$table][$field])) {
$update['tables'][$table][$field]['default'] = $default;
$update['tables'][$table][$field]['null'] = true;
$compare = $Schema->compare($current, $update);
foreach ($compare as $table => $changes) {
$db->execute($db->alterSchema(array($table => $changes), $table));
}
Cache::delete($this->useDbConfig . '_' . $table, '_cake_model_');
}
}
}
}
