ISQLComponents.Select_

Syntax

Select_: String;

Description

The Select_ property determines a part of query where the main part of query, determining extracted data, is specified.

Comments

If the property value was obtained in a separate variable and the expression is modified in the variable, then it is required to rewrite property value to apply changes:

Public Class SQLCallback: Object, ISQLCallback
    Sub BeforeConstruction(Components: ISQLComponents);
    Var
        Select_: String;
    Begin
        Select_ := Components.Select_;
        //...
        //Modification of Select_
        //...
        Components.Select_ := Select_;
    End Sub BeforeConstruction;

    Sub AfterConstruction(Var SQL: String);
    Begin
    End Sub AfterConstruction;
End Class SQLCallback;

Example

The example of use is given in description of the ISQLCallback.BeforeConstruction method.