Get the underlying connection object.
| public getConnection ( ) : PDO | ||
| return | PDO | |
/**
* testAlterSchemaIndexes method
*
* @group indices
* @return void
*/
function testAlterSchemaIndexes()
{
App::import('Model', 'CakeSchema');
$this->Dbo->cacheSources = $this->Dbo->testing = false;
$table = $this->Dbo->fullTableName('altertest');
$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), 'group1' => array('type' => 'integer', 'null' => true), 'group2' => array('type' => 'integer', 'null' => true))));
$result = $this->Dbo->createSchema($schema1);
$this->assertContains('`id` int(11) DEFAULT 0 NOT NULL,', $result);
$this->assertContains('`name` varchar(50) NOT NULL,', $result);
$this->assertContains('`group1` int(11) DEFAULT NULL', $result);
$this->assertContains('`group2` int(11) DEFAULT NULL', $result);
//Test that the string is syntactically correct
$query = $this->Dbo->getConnection()->prepare($result);
$this->assertEquals($result, $query->queryString);
$schema2 = new CakeSchema(array('name' => 'AlterTest2', 'connection' => 'test', '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)))));
$result = $this->Dbo->alterSchema($schema2->compare($schema1));
$this->assertContains("ALTER TABLE {$table}", $result);
$this->assertContains('ADD KEY name_idx (`name`),', $result);
$this->assertContains('ADD KEY group_idx (`group1`),', $result);
$this->assertContains('ADD KEY compound_idx (`group1`, `group2`),', $result);
$this->assertContains('ADD PRIMARY KEY (`id`);', $result);
//Test that the string is syntactically correct
$query = $this->Dbo->getConnection()->prepare($result);
$this->assertEquals($result, $query->queryString);
// Change three indexes, delete one and add another one
$schema3 = new CakeSchema(array('name' => 'AlterTest3', 'connection' => 'test', '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), 'id_name_idx' => array('column' => array('id', 'name'), 'unique' => 0)))));
$result = $this->Dbo->alterSchema($schema3->compare($schema2));
$this->assertContains("ALTER TABLE {$table}", $result);
$this->assertContains('DROP PRIMARY KEY,', $result);
$this->assertContains('DROP KEY name_idx,', $result);
$this->assertContains('DROP KEY group_idx,', $result);
$this->assertContains('DROP KEY compound_idx,', $result);
$this->assertContains('ADD KEY id_name_idx (`id`, `name`),', $result);
$this->assertContains('ADD UNIQUE KEY name_idx (`name`),', $result);
$this->assertContains('ADD KEY group_idx (`group2`),', $result);
$this->assertContains('ADD KEY compound_idx (`group2`, `group1`);', $result);
$query = $this->Dbo->getConnection()->prepare($result);
$this->assertEquals($result, $query->queryString);
// Compare us to ourself.
$this->assertEqual($schema3->compare($schema3), array());
// Drop the indexes
$result = $this->Dbo->alterSchema($schema1->compare($schema3));
$this->assertContains("ALTER TABLE {$table}", $result);
$this->assertContains('DROP KEY name_idx,', $result);
$this->assertContains('DROP KEY group_idx,', $result);
$this->assertContains('DROP KEY compound_idx,', $result);
$this->assertContains('DROP KEY id_name_idx;', $result);
$query = $this->Dbo->getConnection()->prepare($result);
$this->assertEquals($result, $query->queryString);
}
/**
* testAlterSchemaIndexes method
*
* @group indices
* @return void
*/
public function testAlterSchemaIndexes()
{
$this->Dbo->cacheSources = $this->Dbo->testing = FALSE;
$table = $this->Dbo->fullTableName('altertest');
$schemaA = 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), 'group1' => array('type' => 'integer', 'null' => TRUE), 'group2' => array('type' => 'integer', 'null' => TRUE))));
$result = $this->Dbo->createSchema($schemaA);
$this->assertContains('`id` int(11) DEFAULT 0 NOT NULL,', $result);
$this->assertContains('`name` varchar(50) NOT NULL,', $result);
$this->assertContains('`group1` int(11) DEFAULT NULL', $result);
$this->assertContains('`group2` int(11) DEFAULT NULL', $result);
//Test that the string is syntactically correct
$query = $this->Dbo->getConnection()->prepare($result);
$this->assertEquals($query->queryString, $result);
$schemaB = new CakeSchema(array('name' => 'AlterTest2', 'connection' => 'test', '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)))));
$result = $this->Dbo->alterSchema($schemaB->compare($schemaA));
$this->assertContains("ALTER TABLE {$table}", $result);
$this->assertContains('ADD KEY `name_idx` (`name`),', $result);
$this->assertContains('ADD KEY `group_idx` (`group1`),', $result);
$this->assertContains('ADD KEY `compound_idx` (`group1`, `group2`),', $result);
$this->assertContains('ADD PRIMARY KEY (`id`);', $result);
//Test that the string is syntactically correct
$query = $this->Dbo->getConnection()->prepare($result);
$this->assertEquals($query->queryString, $result);
// Change three indexes, delete one and add another one
$schemaC = new CakeSchema(array('name' => 'AlterTest3', 'connection' => 'test', '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), 'id_name_idx' => array('column' => array('id', 'name'), 'unique' => 0)))));
$result = $this->Dbo->alterSchema($schemaC->compare($schemaB));
$this->assertContains("ALTER TABLE {$table}", $result);
$this->assertContains('DROP PRIMARY KEY,', $result);
$this->assertContains('DROP KEY `name_idx`,', $result);
$this->assertContains('DROP KEY `group_idx`,', $result);
$this->assertContains('DROP KEY `compound_idx`,', $result);
$this->assertContains('ADD KEY `id_name_idx` (`id`, `name`),', $result);
$this->assertContains('ADD UNIQUE KEY `name_idx` (`name`),', $result);
$this->assertContains('ADD KEY `group_idx` (`group2`),', $result);
$this->assertContains('ADD KEY `compound_idx` (`group2`, `group1`);', $result);
$query = $this->Dbo->getConnection()->prepare($result);
$this->assertEquals($query->queryString, $result);
// Compare us to ourself.
$this->assertEquals(array(), $schemaC->compare($schemaC));
// Drop the indexes
$result = $this->Dbo->alterSchema($schemaA->compare($schemaC));
$this->assertContains("ALTER TABLE {$table}", $result);
$this->assertContains('DROP KEY `name_idx`,', $result);
$this->assertContains('DROP KEY `group_idx`,', $result);
$this->assertContains('DROP KEY `compound_idx`,', $result);
$this->assertContains('DROP KEY `id_name_idx`;', $result);
$query = $this->Dbo->getConnection()->prepare($result);
$this->assertEquals($query->queryString, $result);
}
/**
* Get the table hash from MySQL for a specific table
*
* @param DboSource $db
* @return string
*/
protected function _hash($db)
{
$db_conn = $db->getConnection();
$sth = $db_conn->prepare("CHECKSUM TABLE " . $this->table);
$sth->execute();
$result = $sth->fetch(PDO::FETCH_ASSOC);
$sth->closeCursor();
$checksum = $result['Checksum'];
return $checksum;
}
