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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.Statement;
interface
uses
Boolean,
Sql.Expression,
Text;
type
TSqlStatement = class(TSqlExpression)
public
function Copy(): TSqlExpression; override;
function CopyStatement(): TSqlStatement; virtual; abstract;
function ProducesResultSet(): TBoolean; virtual;
end;
TSqlLiteralStatement = class(TSqlStatement)
public
Sql: TText;
constructor Create(Sql: TText); reintroduce; virtual;
function CopyStatement(): TSqlStatement; override;
function CopyLiteralStatement(): TSqlLiteralStatement;
end deprecated;
implementation
{ TSqlLiteralStatement }
function TSqlLiteralStatement.CopyLiteralStatement(): TSqlLiteralStatement;
begin
Result := TSqlLiteralStatement.Create(Sql);
end;
function TSqlLiteralStatement.CopyStatement(): TSqlStatement;
begin
Result := CopyLiteralStatement();
end;
constructor TSqlLiteralStatement.Create(Sql: TText);
begin
inherited Create();
Self.Sql := Sql;
end;
{ TSqlStatement }
function TSqlStatement.Copy(): TSqlExpression;
begin
Result := CopyStatement();
end;
function TSqlStatement.ProducesResultSet(): TBoolean;
begin
Result := False;
end;
end.
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