MaxDB
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预定义常量

以下常量由本扩展模块定义,因此只有在本扩展模块被编译到 PHP 中,或者在运行时被动态加载后才有效。

The following constants to use with maxdb_options() are defined. For further description of these constants see » http://maxdb.sap.com/documentation/.

MaxDB PHP client constants
Constant 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.

The function maxdb_fetch_array() uses a constant for the different types of result arrays. The following constants are defined:

MaxDB fetch constants
Constant Description
MAXDB_ASSOC Columns are returned into the array having the fieldname as the array index.
MAXDB_ASSOC_UPPER Columns are returned into the array having the upper case fieldname as the array index.
MAXDB_ASSOC_LOWER Columns are returned into the array having the lower case fieldname as the array index.
MAXDB_BOTH Columns are returned into the array having both a numerical index and the fieldname as the array index.
MAXDB_NUM Columns are returned into the array having a numerical index to the fields. This index starts with 0, the first field in the result.


MaxDB
php 手册 | 脚本学堂 | 脚本编程 | 网站编程 | 系统管理 | 服务器配置 | 数据库管理 | Php教程 | python教程 | 正则表达式 | 批处理脚本 | Centos教程 | Linux基础教程