tibasFieldDef_IsNullable()

Indicates whether a specified field is nullable.

If the field is nullable, returns TIBAS_TRUE. If the field is not nullable, returns TIBAS_FALSE.

Declaration

tibas_boolean tibasFieldDef_IsNullable
(tibasFieldDef fieldDef)

Parameters

Parameter Description
fieldDef Specifies the FieldDef for the field whose nullable attribute is to be queried.

Remarks

Use the tibasFieldDef_IsNullable() function to determine whether a specified field is nullable. Fields marked as nullable do not need to be assigned values, but if a value is assigned, the data type must match or be able to be upcasted.

See Also

tibasFieldDef_SetNullable()