mirror of
https://github.com/FirebirdSQL/firebird.git
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126 lines
2.6 KiB
C++
126 lines
2.6 KiB
C++
/*
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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 Adriano dos Santos Fernandes
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2008 Adriano dos Santos Fernandes <adrianosf@uol.com.br>
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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_RESULT_SET_H
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#define JRD_RESULT_SET_H
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#include "firebird.h"
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#include "../common/gdsassert.h"
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#include "../common/dsc.h"
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#include "../common/classes/auto.h"
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#include "../common/classes/fb_string.h"
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#include "../common/classes/MetaName.h"
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struct dsc;
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namespace Jrd {
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class thread_db;
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class jrd_tra;
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class Attachment;
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class PreparedStatement;
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class ResultSet
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{
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friend class PreparedStatement;
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public:
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ResultSet(thread_db* tdbb, PreparedStatement* aStmt, jrd_tra* aTransaction);
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~ResultSet();
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public:
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bool fetch(thread_db* tdbb);
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bool isNull(unsigned param) const;
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dsc& getDesc(unsigned param);
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SSHORT getSmallInt(thread_db* tdbb, unsigned param, SCHAR scale = 0)
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{
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fb_assert(param > 0);
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SSHORT value;
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dsc desc;
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desc.makeShort(scale, &value);
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moveDesc(tdbb, param, desc);
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return value;
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}
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SLONG getInt(thread_db* tdbb, unsigned param, SCHAR scale = 0)
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{
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fb_assert(param > 0);
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SLONG value;
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dsc desc;
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desc.makeLong(scale, &value);
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moveDesc(tdbb, param, desc);
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return value;
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}
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SINT64 getBigInt(thread_db* tdbb, unsigned param, SCHAR scale = 0)
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{
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fb_assert(param > 0);
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SINT64 value;
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dsc desc;
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desc.makeInt64(scale, &value);
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moveDesc(tdbb, param, desc);
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return value;
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}
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double getDouble(thread_db* tdbb, unsigned param)
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{
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fb_assert(param > 0);
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double value;
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dsc desc;
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desc.makeDouble(&value);
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moveDesc(tdbb, param, desc);
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return value;
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}
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Firebird::string getString(thread_db* tdbb, unsigned param);
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Firebird::MetaName getMetaName(thread_db* tdbb, unsigned param);
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private:
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void moveDesc(thread_db* tdbb, unsigned param, dsc& desc);
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private:
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PreparedStatement* stmt;
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jrd_tra* transaction;
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bool firstFetchDone;
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};
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typedef Firebird::AutoPtr<ResultSet> AutoResultSet;
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} // namespace
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#endif // JRD_RESULT_SET_H
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