TIndexOption enumeration
Index description flags.
Declaration
TIndexOption = (ixPrimary,ixUnique,ixDescending,ixCaseInsensitive,
ixExpression,ixNonMaintained)Description
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.See also
Values
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. |
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.
