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			99 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* Copyright (C) 2014 InfiniDB, Inc.
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| 
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|    This program is free software; you can redistribute it and/or
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|    modify it under the terms of the GNU General Public License
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|    as published by the Free Software Foundation; version 2 of
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|    the License.
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| 
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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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| 
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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., 51 Franklin Street, Fifth Floor, Boston,
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|    MA 02110-1301, USA. */
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| 
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| #include <unistd.h>
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| 
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| #include "bytestream.h"
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| using namespace messageqcpp;
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| 
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| #include "we_messages.h"
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| #include "we_clients.h"
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| #include "resourcemanager.h"
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| #include "ddlpkg.h"
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| #include "ddlpackageprocessor.h"
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| #include "dataconvert.h"
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| using namespace dataconvert;
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| using namespace ddlpackage;
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| using namespace ddlpackageprocessor;
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| 
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| #include "we_ddlcommandclient.h"
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| 
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| namespace WriteEngine
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| {
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| WE_DDLCommandClient::WE_DDLCommandClient()
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| {
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|     fWEClient = new WEClients(WEClients::DDLPROC);
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| }
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| 
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| WE_DDLCommandClient::~WE_DDLCommandClient()
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| {
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|     delete fWEClient;
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|     fWEClient = NULL;
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| }
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| 
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| uint8_t WE_DDLCommandClient::UpdateSyscolumnNextval(uint32_t columnOid, uint64_t nextVal, uint32_t sessionID)
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| {
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|     ByteStream command, response;
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|     uint8_t err = 0;
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|     uint64_t uniqueId = fDbrm.getUnique64();
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|     fWEClient->addQueue(uniqueId);
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|     command << (ByteStream::byte)WE_UPDATE_NEXTVAL;
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|     command << uniqueId;
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|     command << columnOid;
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|     command << nextVal;
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|     command << sessionID;
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|     uint16_t dbRoot;
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|     BRM::OID_t oid = 1021;
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|     fDbrm.getSysCatDBRoot(oid, dbRoot);
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|     int pmNum = 1;
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|     boost::shared_ptr<messageqcpp::ByteStream> bsIn;
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| 
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|     try
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|     {
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|         fOam.getDbrootPmConfig (dbRoot, pmNum);
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|         fWEClient->write(command, pmNum);
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| 
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|         while (1)
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|         {
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|             bsIn.reset(new ByteStream());
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|             fWEClient->read(uniqueId, bsIn);
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| 
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|             if ( bsIn->length() == 0 ) //read error
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|             {
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|                 err = 1;
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| 
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|                 break;
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|             }
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|             else
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|             {
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|                 *bsIn >> err;
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|                 break;
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|             }
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|         }
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|     }
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|     catch (...)
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|     {
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|         err = 1;
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|     }
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| 
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|     fWEClient->removeQueue(uniqueId);
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|     return err;
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| }
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| 
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| }
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| 
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