copy_tab.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:3k
- /* 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 <NDBT.hpp>
- #include "UtilTransactions.hpp"
- #include <getarg.h>
- int main(int argc, const char** argv){
- ndb_init();
- const char* _tabname = NULL;
- const char* _to_tabname = NULL;
- const char* _dbname = "TEST_DB";
- const char* _connectstr = NULL;
- int _copy_data = true;
- int _help = 0;
-
- struct getargs args[] = {
- { "database", 'd', arg_string, &_dbname, "dbname",
- "Name of database table is in"},
- { "connstr", 'c', arg_string, &_connectstr, "connect string",
- "How to connect to NDB"},
- { "copy-data", ' ', arg_negative_flag, &_copy_data, "Don't copy data to new table",
- "How to connect to NDB"},
- { "usage", '?', arg_flag, &_help, "Print help", "" }
- };
- int num_args = sizeof(args) / sizeof(args[0]);
- int optind = 0;
- char desc[] =
- "srctab desttabn"
- "This program will copy one table in Ndbn";
- if(getarg(args, num_args, argc, argv, &optind) ||
- argv[optind] == NULL || argv[optind + 1] == NULL || _help){
- arg_printusage(args, num_args, argv[0], desc);
- return NDBT_ProgramExit(NDBT_WRONGARGS);
- }
- _tabname = argv[optind];
- _to_tabname = argv[optind+1];
-
- if (_connectstr)
- Ndb::setConnectString(_connectstr);
- Ndb MyNdb(_dbname);
- if(MyNdb.init() != 0){
- ERR(MyNdb.getNdbError());
- return NDBT_ProgramExit(NDBT_FAILED);
- }
-
- while(MyNdb.waitUntilReady() != 0)
- ndbout << "Waiting for ndb to become ready..." << endl;
-
- ndbout << "Copying table " << _tabname << " to " << _to_tabname << "...";
- const NdbDictionary::Table* ptab = MyNdb.getDictionary()->getTable(_tabname);
- if (ptab){
- NdbDictionary::Table tab2(*ptab);
- tab2.setName(_to_tabname);
- if (MyNdb.getDictionary()->createTable(tab2) != 0){
- ndbout << endl << MyNdb.getDictionary()->getNdbError() << endl;
- return NDBT_ProgramExit(NDBT_FAILED);
- }
- } else {
- ndbout << endl << MyNdb.getDictionary()->getNdbError() << endl;
- return NDBT_ProgramExit(NDBT_FAILED);
- }
- ndbout << "OK" << endl;
- if (_copy_data){
- ndbout << "Copying data..."<<endl;
- const NdbDictionary::Table * tab3 =
- NDBT_Table::discoverTableFromDb(&MyNdb,
- _tabname);
- // if (!tab3)
- UtilTransactions util(*tab3);
- if(util.copyTableData(&MyNdb,
- _to_tabname) != NDBT_OK){
- return NDBT_ProgramExit(NDBT_FAILED);
- }
- ndbout << "OK" << endl;
- }
- return NDBT_ProgramExit(NDBT_OK);
- }