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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Sql.Table.Expression;
interface
uses
Boolean,
Condition.Projecting,
Sql.Expression,
Sql.Statement.ResultSet,
Text;
type
TSqlTableExpression = class(TSqlExpression)
public
function Copy(): TSqlExpression; override;
function CopyTableExpression(): TSqlTableExpression; virtual; abstract;
function GetIdentifier(): TText; virtual; abstract;
function CreateColumns(): TSqlResultSetColumnList; virtual; abstract;
public
type
THasIdentifier = class(TProjectingCondition<TSqlTableExpression, TText>)
public
function Matches(const Expression: TSqlTableExpression): TBoolean; override;
end;
end;
implementation
{ TSqlTableExpression }
function TSqlTableExpression.Copy(): TSqlExpression;
begin
Result := CopyTableExpression();
end;
{ TSqlTableExpression.THasIdentifier }
function TSqlTableExpression.THasIdentifier.Matches(const Expression: TSqlTableExpression): TBoolean;
begin
Result := Expression.GetIdentifier() = ComparisonValue;
end;
end.
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