X# Runtime and VO SDK Reference
X# Runtime and SDK Reference
VO Namespace
SQLSelect Class
SQLSelect Methods
SQLSelect.AddDateVal Method
SQLSelect.AddTimeString Method
SQLSelect.Append Method
SQLSelect.AppendRow Method
SQLSelect.BindColumn Method
SQLSelect.Close Method
SQLSelect.Column Method
SQLSelect.ColumnAttributes Method
SQLSelect.Commit Method
SQLSelect.DataField Method
SQLSelect.Delete Method
SQLSelect.DirectSkip Method
SQLSelect.Error Method
SQLSelect.Execute Method
SQLSelect.ExtendedFetch Method
SQLSelect.Fetch Method
SQLSelect.FIELDGET Method
SQLSelect.FieldGetFormatted Method
SQLSelect.FieldHyperLabel Method
SQLSelect.FieldInfo Method
SQLSelect.FieldName Method
SQLSelect.FieldPos Method
SQLSelect.FIELDPUT Method
SQLSelect.FieldSpec Method
SQLSelect.FieldStatus Method
SQLSelect.FieldSym Method
SQLSelect.FieldValidate Method
SQLSelect.FLOCK Method
SQLSelect.FreeStmt Method
SQLSelect.GetData Method
SQLSelect.GetdateVal Method
SQLSelect.GetLookupTable Method
SQLSelect.GetStatementOption Method
SQLSelect.GetTimeStamp Method
SQLSelect.GetTimeString Method
SQLSelect.GoBottom Method
SQLSelect.GoTo Method
SQLSelect.GoTop Method
SQLSelect.NoIVarGet Method
SQLSelect.NoIVarPut Method
SQLSelect.Notify Method
SQLSelect.NumResultCols Method
SQLSelect.PreExecute Method
SQLSelect.Prepare Method
SQLSelect.Refresh Method
SQLSelect.ReReadRow Method
SQLSelect.ResetCursor Method
SQLSelect.ResetNotification Method
SQLSelect.RLOCK Method
SQLSelect.RLockVerify Method
SQLSelect.Rollback Method
SQLSelect.SetColumnAttributes Method
SQLSelect.SetDataField Method
SQLSelect.SetPos Method
SQLSelect.SetPrimaryKey Method
SQLSelect.SetStatementOption Method
SQLSelect.SetTimeStamp Method
SQLSelect.Skip Method
SQLSelect.SuspendNotification Method
SQLSelect.Unlock Method
SQLSelect.Update Method
SQLSelect.UpdateCursor Method
SQLSelect.UpdateKey Method
SQLSelect.UpdateVal Method
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SQLSelect.SetPrimaryKey Method

X#
Specify a column to be used as a unique index in searched updates or deletes that require a key (i.e., SQLSelect:ScrollUpdateType = SQL_SC_UPD_KEY).

Namespace:  VO
Assembly:  VOSQLClasses (in VOSQLClasses.dll) Version: 2.21
Syntax
Copy
 VIRTUAL METHOD SetPrimaryKey(
	uFieldPos
) AS USUAL CLIPPER
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Parameters

uFieldPos (Optional)
Type: Usual
The name, number, or symbol representing the desired column.

Return Value

Type: Usual
TRUE if successful; otherwise, FALSE.
Remarks
If SQLSelect:SetPrimaryKey() is passed a zero as an argument, all assigned columns are cleared. You can also find the unique index columns by using the SQLListSpecialColumns class.
See Also