[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'DB' (#fcl)

TIndexOption

Index description flags

Declaration

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.

);

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

TIndexOptions

  

Set of TIndexOption values


Documentation generated on: Jun 22 2020