| [Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | 
Index description flags
Source position: db.pas line 1034
| type TIndexOption = ( | ||
| 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. | 
| ); | 
TIndexOption describes the various properties that an index can have. It is used in the TIndexOptions set type to describe all properties of an index definition as in TIndexDef.
| 
 | Set of TIndexOption values |