AdsIsIndexNullable

Advantage Client Engine

Determines if the given index order is nullable.

Syntax

UNSIGNED32

AdsIsIndexNullable ( ADSHANDLE hIndex,

UNSIGNED16 *pbNullable );

Parameters

hIndex (I)

Handle of index order of interest.

pbNullable (O)

Return True if it is a nullable index.

Remarks

AdsIsNullable determines whether or not an index order was created on a nullable key. A nullable key is one that can evaluate to NULL.

Note AdsIsIndexNullable can only be called on indexes of ADS_VFP tables.

Example

ulRetCode = AdsIsIndexNullable( hIndex, &usNullable );

See Also

AdsOpenIndex

AdsCreateIndex