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ingres_field_nullable

Test if a field is nullable (PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres:1.0-1.4.3)
bool ingres_field_nullable ( int index [, resource link] )

Test if a field is nullable.

Parameters

index

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

link

The connection link identifier. If not specified, the last opened link is used.

Return Values

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