|
PHP5中文手册
ingres_field_nullable(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres:1.0-1.4.3) ingres_field_nullable — Test if a field is nullable 说明
bool ingres_field_nullable
( int $index
[, resource $link
] )
Test if a field is nullable. 参数
返回值ingres_field_nullable() returns TRUE if the field can be set to the NULL value and FALSE if it can't. |