(PHP 4 >= 4.0.2)

ingres_field_nullable -- Test if a field is nullable


bool ingres_field_nullable (int index [, resource link])


This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change in a future release of PHP without notice. Be warned and use this function at your own risk.

ingres_field_nullable() returns TRUE if the field can be set to the NULL value and FALSE if it can't.

index is the number of the field and must be between 1 and the value given by ingres_num_fields().

See also ingres_query(), ingres_fetch_array(), ingres_fetch_object(), and ingres_fetch_row().