KeywordsTable.h

/*
 * 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 Adriano dos Santos Fernandes
 * for the Firebird Open Source RDBMS project.
 *
 * Copyright (c) 2021 Adriano dos Santos Fernandes <adrianosf@gmail.com>
 * and all contributors signed below.
 *
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
*/

#ifndef JRD_KEYWORDS_TABLE_H
#defineJRD_KEYWORDS_TABLE_H

#include"firebird.h"
#include"../common/classes/fb_string.h"
#include"../jrd/Monitoring.h"
#include"../jrd/recsrc/RecordSource.h"


namespaceJrd
{

classKeywordsTable : publicSnapshotData
{
public:
KeywordsTable(MemoryPool& pool)
 : SnapshotData(pool)
 {
 }

public:
 RecordBuffer* getRecords(thread_db* tdbb, jrd_rel* relation);
};


classKeywordsTableScanfinal : public VirtualTableScan
{
public:
KeywordsTableScan(CompilerScratch* csb, const Firebird::string& alias,
 StreamType stream, jrd_rel* relation)
 : VirtualTableScan(csb, alias, stream, relation)
 {
 impureOffset = csb->allocImpure<Impure>();
 }

voidclose(thread_db* tdbb) constoverride;

protected:
const Format* getFormat(thread_db* tdbb, jrd_rel* relation) constoverride;

boolretrieveRecord(thread_db* tdbb, jrd_rel* relation, FB_UINT64 position,
 Record* record) constoverride;

private:
structImpure
 {
 KeywordsTable* table;
 };

 RecordBuffer* getRecords(thread_db* tdbb, jrd_rel* relation) const;

 ULONG impureOffset;
};

} // namespace Jrd

#endif// JRD_KEYWORDS_TABLE_H