示例#1
0
int main(int argc, const char** argv){
  ndb_init();

  int _temp = false;
  int _help = 0;
  int _all = 0;
  int _print = 0;
  const char* _connectstr = NULL;
  int _diskbased = 0;
  const char* _tsname = NULL;
  int _trans = false;

  struct getargs args[] = {
    { "all", 'a', arg_flag, &_all, "Create/print all tables", 0 },
    { "print", 'p', arg_flag, &_print, "Print table(s) instead of creating it", 0},
    { "temp", 't', arg_flag, &_temp, "Temporary table", 0 },
    { "trans", 'x', arg_flag, &_trans, "Use single schema trans", 0 },
    { "connstr", 'c', arg_string, &_connectstr, "Connect string", "cs" }, 
    { "diskbased", 0, arg_flag, &_diskbased, "Store attrs on disk if possible", 0 },
    { "tsname", 0, arg_string, &_tsname, "Tablespace name", "ts" },
    { "usage", '?', arg_flag, &_help, "Print help", "" }
  };
  int num_args = sizeof(args) / sizeof(args[0]);
  int optind = 0;
  char desc[] = 
    "tabname\n"\
    "This program will create one table in Ndb.\n"\
    "The tables may be selected from a fixed list of tables\n"\
    "defined in NDBT_Tables class\n";

  if(getarg(args, num_args, argc, argv, &optind) || _help){
    arg_printusage(args, num_args, argv[0], desc);
    return NDBT_ProgramExit(NDBT_WRONGARGS);
  }

  if(argv[optind] == NULL && !_all){
    arg_printusage(args, num_args, argv[0], desc);
    return NDBT_ProgramExit(NDBT_WRONGARGS);
  }

  g_diskbased = _diskbased;
  g_tsname = _tsname;

  int res = 0;
  if(_print){
    /**
     * Print instead of creating
     */
    if(optind < argc){
      for(int i = optind; i<argc; i++){
	NDBT_Tables::print(argv[i]);
      }
    } else {
      NDBT_Tables::printAll();
    }
  } else {
    /**
     * Creating
     */
    
    // Connect to Ndb
    Ndb_cluster_connection con(_connectstr);
    if(con.connect(12, 5, 1) != 0)
    {
      return NDBT_ProgramExit(NDBT_FAILED);
    }
    Ndb MyNdb(&con, "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;

    NdbDictionary::Dictionary* MyDic = MyNdb.getDictionary();
    
    if (_trans) {
      if (MyDic->beginSchemaTrans() == -1) {
        ERR(MyDic->getNdbError());
        return NDBT_ProgramExit(NDBT_FAILED);
      }
    }

    if(_all){
      res = NDBT_Tables::createAllTables(&MyNdb, _temp);
    } else {
      int tmp;
      for(int i = optind; i<argc; i++){
	ndbout << "Trying to create " <<  argv[i] << endl;
	if((tmp = NDBT_Tables::createTable(&MyNdb, argv[i], _temp, false,
                                           g_create_hook)) != 0)
	  res = tmp;
      }
    } 
    
    if (_trans) {
      if (MyDic->endSchemaTrans() == -1) {
        ERR(MyDic->getNdbError());
        return NDBT_ProgramExit(NDBT_FAILED);
      }
    }
  }
  
  if(res != 0)
    return NDBT_ProgramExit(NDBT_FAILED);
  else
    return NDBT_ProgramExit(NDBT_OK);
}
示例#2
0
int main(int argc, const char** argv){
  ndb_init();

  int _help = 0;
  int _p = 0;
  const char * db = "TEST_DB";
  const char* _connectstr = NULL;

  struct getargs args[] = {
    { "database", 'd', arg_string, &db, "database", 0 },
    { "connstr", 'c', arg_string, &_connectstr, "Connect string", "cs" },
    { "partitions", 'p', arg_integer, &_p, "New no of partitions", 0},
    { "usage", '?', arg_flag, &_help, "Print help", "" }
  };
  int num_args = sizeof(args) / sizeof(args[0]);
  int optind = 0;
  char desc[] =
    "tabname\n"                                                         \
    "This program will alter no of partitions of table in Ndb.\n";

  if(getarg(args, num_args, argc, argv, &optind) || _help){
    arg_printusage(args, num_args, argv[0], desc);
    return NDBT_ProgramExit(NDBT_WRONGARGS);
  }

  if(argv[optind] == NULL)
  {
    arg_printusage(args, num_args, argv[0], desc);
    return NDBT_ProgramExit(NDBT_WRONGARGS);
  }


  // Connect to Ndb
  Ndb_cluster_connection con(_connectstr);
  if(con.connect(12, 5, 1) != 0)
  {
    return NDBT_ProgramExit(NDBT_FAILED);
  }
  Ndb MyNdb(&con, 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;

  NdbDictionary::Dictionary* MyDic = MyNdb.getDictionary();
  for (int i = optind; i<argc; i++)
  {
    printf("altering %s/%s...", db, argv[i]);
    const NdbDictionary::Table* oldTable = MyDic->getTable(argv[i]);

    if (oldTable == 0)
    {
      ndbout << "Failed to retrieve table " << argv[i]
             << ": " << MyDic->getNdbError() << endl;
      return NDBT_ProgramExit(NDBT_FAILED);
    }

    NdbDictionary::Table newTable = *oldTable;
    newTable.setFragmentCount(_p);

    if (MyDic->beginSchemaTrans() != 0)
      goto err;

    if (MyDic->prepareHashMap(*oldTable, newTable) != 0)
      goto err;

    if (MyDic->alterTable(*oldTable, newTable) != 0)
      goto err;

    if (MyDic->endSchemaTrans())
      goto err;

    ndbout_c("done");
  }

  return NDBT_ProgramExit(NDBT_OK);

err:
  NdbError err = MyDic->getNdbError();
  if (MyDic->hasSchemaTrans())
    MyDic->endSchemaTrans(NdbDictionary::Dictionary::SchemaTransAbort);

  ndbout << "Failed! "
         << err << endl;
  return NDBT_ProgramExit(NDBT_FAILED);

}