CMssqlPdoAdapter
| 包 | system.db.schema.mssql |
|---|---|
| 继承 | class CMssqlPdoAdapter » PDO |
| 源码 | framework/db/schema/mssql/CMssqlPdoAdapter.php |
This is an extension of default PDO class for mssql driver only
It provides some missing functionalities of pdo driver
公共方法
| 方法 | 描述 | 被定义在 |
|---|---|---|
| __construct() | PDO | |
| __sleep() | PDO | |
| __wakeup() | PDO | |
| beginTransaction() | Begin a transaction | CMssqlPdoAdapter |
| commit() | Commit a transaction | CMssqlPdoAdapter |
| errorCode() | PDO | |
| errorInfo() | PDO | |
| exec() | PDO | |
| getAttribute() | PDO | |
| getAvailableDrivers() | PDO | |
| inTransaction() | PDO | |
| lastInsertId() | Get the last inserted id value | CMssqlPdoAdapter |
| prepare() | PDO | |
| query() | PDO | |
| quote() | PDO | |
| rollBack() | Rollback a transaction | CMssqlPdoAdapter |
| setAttribute() | PDO |
方法详情
beginTransaction()
方法
|
public boolean beginTransaction()
| ||
| {return} | boolean | |
源码： framework/db/schema/mssql/CMssqlPdoAdapter.php#39 (显示)
public function beginTransaction ()
{
$this->exec('BEGIN TRANSACTION');
return true;
}
Begin a transaction
Is is necessary to override pdo's method, as mssql pdo drivers
does not support transaction
commit()
方法
|
public boolean commit()
| ||
| {return} | boolean | |
源码： framework/db/schema/mssql/CMssqlPdoAdapter.php#53 (显示)
public function commit ()
{
$this->exec('COMMIT TRANSACTION');
return true;
}
Commit a transaction
Is is necessary to override pdo's method, as mssql pdo drivers
does not support transaction
lastInsertId()
方法
|
public integer lastInsertId(string|null $sequence=NULL)
| ||
| $sequence | string|null | sequence name. Defaults to null |
| {return} | integer | last inserted id |
源码： framework/db/schema/mssql/CMssqlPdoAdapter.php#26 (显示)
public function lastInsertId ($sequence=NULL)
{
return $this->query('SELECT CAST(COALESCE(SCOPE_IDENTITY(), @@IDENTITY) AS bigint)')->fetchColumn();
}
Get the last inserted id value MSSQL doesn't support sequence, so, argument is ignored
rollBack()
方法
|
public boolean rollBack()
| ||
| {return} | boolean | |
源码： framework/db/schema/mssql/CMssqlPdoAdapter.php#67 (显示)
public function rollBack ()
{
$this->exec('ROLLBACK TRANSACTION');
return true;
}
Rollback a transaction
Is is necessary to override pdo's method, ac mssql pdo drivers
does not support transaction