Constants for PDO_4D
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Constants for PDO_4D — Constants for PDO_4D
预定义常量
下列常量由此驱动定义,且仅在扩展编译入 PHP
或在运行时动态载入时可用。另外,使用此驱动时,仅会使用这些驱动特定的常量。使用其他驱动的驱动特定的常量可能会导致不可预见的情况。如果代码可运行于多个驱动, PDO::getAttribute()
可被用于获取
PDO_ATTR_DRIVER_NAME
属性以检查驱动。
-
PDO::FOURD_ATTR_CHARSET
(integer)
-
Change the charset in which 4D returns data.
(Default is UTF-8).
-
PDO::FOURD_ATTR_PREFERRED_IMAGE_TYPES
(integer)
-
The requested format of the image, when selecting a row
with a column type PICTURE. It may be any type that 4D supports.