hugoLockRecords.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:3k
源码类别:
MySQL数据库
开发平台:
Visual C++
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include <ndb_global.h>
- #include <NdbOut.hpp>
- #include <NdbApi.hpp>
- #include <NdbMain.h>
- #include <NDBT.hpp>
- #include <NdbSleep.h>
- #include <getarg.h>
- #include <HugoTransactions.hpp>
- int main(int argc, const char** argv){
- ndb_init();
- int _records = 0;
- int _loops = 1;
- int _percentVal = 1;
- int _lockTime = 1000;
- const char* _tabname = NULL;
- int _help = 0;
- struct getargs args[] = {
- { "loops", 'l', arg_integer, &_loops, "number of times to run this program(0=infinite loop)", "loops" },
- { "records", 'r', arg_integer, &_records, "Number of records", "recs" },
- { "locktime", 't', arg_integer, &_lockTime, "Time in ms to hold lock(default=1000)", "ms" },
- { "percent", 'p', arg_integer, &_percentVal, "Percent of records to lock(default=1%)", "%" },
- { "usage", '?', arg_flag, &_help, "Print help", "" }
- };
- int num_args = sizeof(args) / sizeof(args[0]);
- int optind = 0;
- char desc[] =
- "tabnamen"
- "This program will lock p% of the records in the table for x millisecondsn"
- "then it will lock the next 1% and continue to do so until it has locked n"
- "all records in the tablen";
- if(getarg(args, num_args, argc, argv, &optind) ||
- argv[optind] == NULL || _records == 0 || _help) {
- arg_printusage(args, num_args, argv[0], desc);
- return NDBT_ProgramExit(NDBT_WRONGARGS);
- }
- _tabname = argv[optind];
- // Connect to Ndb
- Ndb MyNdb( "TEST_DB" );
- if(MyNdb.init() != 0){
- ERR(MyNdb.getNdbError());
- return NDBT_ProgramExit(NDBT_FAILED);
- }
- while(MyNdb.waitUntilReady() != 0)
- ndbout << "Waiting for ndb to become ready..." << endl;
- // Check if table exists in db
- const NdbDictionary::Table * pTab = NDBT_Table::discoverTableFromDb(&MyNdb, _tabname);
- if(pTab == NULL){
- ndbout << " Table " << _tabname << " does not exist!" << endl;
- return NDBT_ProgramExit(NDBT_WRONGARGS);
- }
- HugoTransactions hugoTrans(*pTab);
- int i = 0;
- while (i<_loops || _loops==0) {
- ndbout << i << ": ";
- if (hugoTrans.lockRecords(&MyNdb, _records, _percentVal, _lockTime) != 0){
- return NDBT_ProgramExit(NDBT_FAILED);
- }
- i++;
- }
- return NDBT_ProgramExit(NDBT_OK);
- }