mirror of
https://github.com/FirebirdSQL/firebird.git
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139331c7e3
plain new to FB_NEW, making allocated with it blocks tagged with file/line. Make related code slightly better readable.
94 lines
2.6 KiB
C++
94 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) 2011 Adriano dos Santos Fernandes <adrianosf at gmail.com>
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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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* Alex Peshkov
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*
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*/
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#ifndef COMMON_STATEMENT_METADATA_H
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#define COMMON_STATEMENT_METADATA_H
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#include "firebird/Interface.h"
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#include "iberror.h"
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#include "../common/classes/Nullable.h"
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#include "../common/classes/array.h"
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#include "../common/classes/fb_string.h"
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#include "../common/classes/objects_array.h"
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#include "../common/MsgMetadata.h"
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namespace Firebird {
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// Make new metadata support work together with old info-based buffers.
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class StatementMetadata : public PermanentStorage
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{
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public:
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class Parameters : public AttMetadata
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{
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public:
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explicit Parameters(RefCounted* att)
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: AttMetadata(att),
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fetched(false)
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{
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}
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bool fetched;
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};
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StatementMetadata(MemoryPool& pool, IStatement* aStatement, RefCounted* att)
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: PermanentStorage(pool),
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statement(aStatement),
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legacyPlan(pool),
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detailedPlan(pool),
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inputParameters(FB_NEW Parameters(att)),
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outputParameters(FB_NEW Parameters(att))
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{
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}
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static unsigned buildInfoItems(Array<UCHAR>& items, unsigned flags);
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static unsigned buildInfoFlags(unsigned itemsLength, const UCHAR* items);
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unsigned getType();
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unsigned getFlags();
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const char* getPlan(bool detailed);
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IMessageMetadata* getInputMetadata();
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IMessageMetadata* getOutputMetadata();
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ISC_UINT64 getAffectedRecords();
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void clear();
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void parse(unsigned bufferLength, const UCHAR* buffer);
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void getAndParse(unsigned itemsLength, const UCHAR* items, unsigned bufferLength, UCHAR* buffer);
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bool fillFromCache(unsigned itemsLength, const UCHAR* items, unsigned bufferLength, UCHAR* buffer);
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private:
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void fetchParameters(UCHAR code, Parameters* parameters);
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private:
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IStatement* statement;
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Nullable<unsigned> type, flags;
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string legacyPlan, detailedPlan;
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RefPtr<Parameters> inputParameters, outputParameters;
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};
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} // namespace Firebird
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#endif // COMMON_STATEMENT_METADATA_H
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