| [Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | 
Set of TIndexOption values
Source position: db.pas line 999
type TIndexOptions = set of (  | 
||
ixPrimary,  | 
  | 
The index is the primary index for the data  | 
ixUnique,  | 
  | 
The index is a unique index, i.e. each index value can occur only once  | 
ixDescending,  | 
  | 
The values in the index are sorted descending.  | 
ixCaseInsensitive,  | 
  | 
The values in the index are sorted case-insensitively  | 
ixExpression,  | 
  | 
The values in the index are based on a calculated expression.  | 
ixNonMaintained  | 
  | 
The index is non-maintained, i.e. changing the data will not update the index.  | 
);  | 
TIndexOptions contains the set of properties that an index can have. It is used in the TIndexDef.Options property to describe all properties of an index definition as in TIndexDef.
  | 
Index options  | 
|
  | 
Index definition  | 
|
  | 
Index description flags  |