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firebird-mirror/src/jrd/execute_statement.h
dimitr f5659c0b70 1) Major cleanup of the old-style blk and allocator-based blk_type.
2) Added synchronization for the JRD locks.
2008-03-19 16:19:56 +00:00

65 lines
1.8 KiB
C++

/*
* PROGRAM: JRD Access Method
* MODULE: execute_statement.h
* DESCRIPTION: Dynamic SQL statements execution
*
* The contents of this file are subject to the Initial
* Developer's Public License Version 1.0 (the "License");
* you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
*
* Software distributed under the License is distributed AS IS,
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights
* and limitations under the License.
*
* The Original Code was created by Alexander Peshkoff
* for the Firebird Open Source RDBMS project.
*
* Copyright (c) 2003 Alexander Peshkoff <peshkoff@mail.ru>
* and all contributors signed below.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
* Adriano dos Santos Fernandes
*/
#ifndef JRD_EXECUTE_STATEMENT_H
#define JRD_EXECUTE_STATEMENT_H
#include "../include/fb_blk.h"
#include "../jrd/PreparedStatement.h"
#include "../jrd/ResultSet.h"
#include "../jrd/exe.h"
#include "../jrd/ibase.h"
const int MAX_CALLBACKS = 50;
namespace Jrd {
class ExecuteStatement
{
public:
static void execute(Jrd::thread_db* tdbb, Jrd::jrd_req* request, DSC* desc);
void open(Jrd::thread_db* tdbb, Jrd::jrd_nod* sql, SSHORT nVars, bool singleton);
bool fetch(Jrd::thread_db* tdbb, Jrd::jrd_nod** jrdVar);
void close(Jrd::thread_db* tdbb);
static void getString(Jrd::thread_db* tdbb, Firebird::string& sql, const dsc* desc,
const Jrd::jrd_req* request);
private:
PreparedStatement* stmt;
ResultSet* resultSet;
int varCount;
bool singleMode;
TEXT startOfSqlOperator[32];
};
} // namespace
#endif // JRD_EXECUTE_STATEMENT_H