Data.DB.TFieldAttribute

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Delphi

TFieldAttribute = (faHiddenCol, faReadonly, faRequired, faLink, faUnNamed, faFixed);

C++

enum DECLSPEC_DENUM TFieldAttribute : unsigned char { faHiddenCol, faReadonly, faRequired, faLink, faUnNamed, faFixed };

Properties

Type	Visibility	Source	Unit	Parent
enum	public	Data.DB.pas Data.DB.hpp	Data.DB	Data.DB

Description

TFieldAttribute and TFieldAttributes indicate various attributes of a field.

TFieldAttributes is a set that describes the attributes of a physical field in an underlying database table. It can contain zero or more of the following TFieldAttribute values:

Value	Meaning
faHiddenCol	Internal flag for hidden columns
faReadonly	Indicates whether the physical field in the underlying table is read-only.
faRequired	Indicates whether a value for the physical field in the underlying table is required.
faLink	Internal flag for nested datasets.
faUnNamed	Internal use only. Indicates a TObjectField in a nested table that has no name associated with it.
faFixed	Indicates that the field has a fixed size.