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/* Copyright (c) 2009 PrimeBase Technologies GmbH, Germany
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* PrimeBase Media Stream for MySQL
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* System variables table.
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#ifndef __SYSTAB_VARIABLES_H__
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#define __SYSTAB_VARIABLES_H__
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#include "cslib/CSMutex.h"
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#include "system_table_ms.h"
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#include "discover_ms.h"
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#define RESTORE_DUMP_VAR "Restoring-Dump"
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#define BACKUP_NUMBER_VAR "Backup-Number"
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#define VARIABLES_TABLE_NAME "pbms_variable"
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class MSVariableTable : public MSOpenSystemTable {
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MSVariableTable(MSSystemTableShare *share, TABLE *table);
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bool seqScanNext(char *buf);
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int getRefLen() { return sizeof(iVariableIndex);}
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void seqScanPos(uint8_t *pos);
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void seqScanRead(uint8_t *pos, char *buf);
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void updateRow(char *old_data, char *new_data);
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static void saveTable(MSDatabase *db);
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static void loadTable(MSDatabase *db);
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static void transferTable(MSDatabase *from_db, MSDatabase *to_db);
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static void setVariable(MSDatabase *db, const char *name, const char *value);
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static CSStringBuffer *dumpTable(MSDatabase *db);
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static void restoreTable(MSDatabase *db, const char *data, size_t size, bool reload = true);
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static void removeTable(CSString *db_path);
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static const uint8_t tableID = 0X04; // A unique id for the MSVariableTable dump data
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static const uint16_t tableVersion = 0X0001; // The current version of the table
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uint32_t iVariableIndex;
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static CSLock gVarLock;
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extern DT_FIELD_INFO pbms_variable_info[];
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extern DT_KEY_INFO pbms_variable_keys[];
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#endif // __SYSTAB_VARIABLES_H__