文字
maxdb_options
maxdb::options
(PECL maxdb >= 1.0)
maxdb_options -- maxdb::options — Set options
说明
过程化风格
bool maxdb_options
( resource
$link
, int $option
, mixed $value
)面向对象风格
bool maxdb::options
( int
$option
, mixed $value
)maxdb_options() can be used to set extra connect options and affect behavior for a connection.
This function may be called multiple times to set several options.
maxdb_options() should be called after maxdb_init() and before maxdb_real_connect() .
The parameter option is the option that you want to set,
the value is the value for the option. For detailed
description of the options see » http://maxdb.sap.com/documentation/
The parameter option can be one of the following values:
| Name | Description |
|---|---|
MAXDB_COMPNAME | The component name used to initialise the SQLDBC runtime environment. |
MAXDB_APPLICATION | The application to be connected to the database. |
MAXDB_APPVERSION | The version of the application. |
MAXDB_SQLMODE | The SQL mode. |
MAXDB_UNICODE | TRUE, if the connection is an unicode (UCS2) client or FALSE, if not. |
MAXDB_TIMEOUT | The maximum allowed time of inactivity after which the connection to the database is closed by the system. |
MAXDB_ISOLATIONLEVEL | Specifies whether and how shared locks and exclusive locks are implicitly requested or released. |
MAXDB_PACKETCOUNT | The number of different request packets used for the connection. |
MAXDB_STATEMENTCACHESIZE | The number of prepared statements to be cached for the connection for re-use. |
MAXDB_CURSORPREFIX | The prefix to use for result tables that are automatically named. |
返回值
成功时返回 TRUE ， 或者在失败时返回 FALSE 。
范例
See maxdb_real_connect() .
参见
- maxdb_init() - Initializes MaxDB and returns an resource for use with maxdb_real_connect
- maxdb_real_connect() - Opens a connection to a MaxDB server