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60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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* PROGRAM: JRD Access Method
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* MODULE: execute_statement.h
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* DESCRIPTION: Dynamic SQL statements execution
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*
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* The contents of this file are subject to the Initial
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* Developer's Public License Version 1.0 (the "License");
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* you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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*
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* Software distributed under the License is distributed AS IS,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied.
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* See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Original Code was created by Alexander Peshkoff
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2003 Alexander Peshkoff <peshkoff@mail.ru>
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* and all contributors signed below.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#ifndef JRD_EXECUTE_STATEMENT_H
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#define JRD_EXECUTE_STATEMENT_H
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#include "../jrd/jrd_blks.h"
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#include "../include/fb_blk.h"
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#include "../include/fb_vector.h"
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#include "../jrd/exe.h"
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#include "../jrd/ibase.h"
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const int MAX_CALLBACKS = 50;
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class ExecuteStatement {
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private:
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FB_API_HANDLE Attachment;
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FB_API_HANDLE Transaction;
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FB_API_HANDLE Statement;
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XSQLDA * Sqlda;
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SCHAR * Buffer;
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bool SingleMode;
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TEXT StartOfSqlOperator[32];
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private:
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XSQLDA* MakeSqlda(Jrd::thread_db* tdbb, SSHORT n);
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ISC_STATUS ReMakeSqlda(ISC_STATUS *vector, Jrd::thread_db* tdbb);
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ULONG ParseSqlda(void);
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public:
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void Open(Jrd::thread_db* tdbb, Jrd::jrd_nod* sql, SSHORT nVars, bool SingleTon);
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bool Fetch(Jrd::thread_db* tdbb, Jrd::jrd_nod** FirstVar);
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void Close(Jrd::thread_db* tdbb);
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static void getString(Firebird::string&, const dsc* d, const Jrd::jrd_req* r);
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};
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#endif // JRD_EXECUTE_STATEMENT_H
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