C++ Dictionary::createTable方法代码示例

int
runDDL(NDBT_Context* ctx, NDBT_Step* step){
  Ndb* pNdb= GETNDB(step);
  NdbDictionary::Dictionary* pDict = pNdb->getDictionary();
  
  const int tables = NDBT_Tables::getNumTables();
  while(!ctx->isTestStopped())
  {
    const int tab_no = rand() % (tables);
    NdbDictionary::Table tab = *NDBT_Tables::getTable(tab_no);
    BaseString name= tab.getName();
    name.appfmt("-%d", step->getStepNo());
    tab.setName(name.c_str());
    if(pDict->createTable(tab) == 0)
    {
      HugoTransactions hugoTrans(* pDict->getTable(name.c_str()));
      if (hugoTrans.loadTable(pNdb, 10000) != 0){
	return NDBT_FAILED;
      }
      
      while(pDict->dropTable(tab.getName()) != 0 &&
	    pDict->getNdbError().code != 4009)
	g_err << pDict->getNdbError() << endl;
      
      sleep(1);

    }
  }
  return NDBT_OK;
}

int
create_table(){
  NdbDictionary::Dictionary* dict = g_ndb->getDictionary();
  assert(dict);
  if(g_paramters[P_CREATE].value){
    g_ndb->getDictionary()->dropTable(g_tablename);
    const NdbDictionary::Table * pTab = NDBT_Tables::getTable(g_tablename);
    assert(pTab);
    NdbDictionary::Table copy = * pTab;
    copy.setLogging(false);
    if(dict->createTable(copy) != 0){
      g_err << "Failed to create table: " << g_tablename << endl;
      return -1;
    }

    NdbDictionary::Index x(g_indexname);
    x.setTable(g_tablename);
    x.setType(NdbDictionary::Index::OrderedIndex);
    x.setLogging(false);
    for (unsigned k = 0; k < copy.getNoOfColumns(); k++){
      if(copy.getColumn(k)->getPrimaryKey()){
	x.addColumnName(copy.getColumn(k)->getName());
      }
    }

    if(dict->createIndex(x) != 0){
      g_err << "Failed to create index: " << endl;
      return -1;
    }
  }
  g_table = dict->getTable(g_tablename);
  g_index = dict->getIndex(g_indexname, g_tablename);
  assert(g_table);
  assert(g_index);

  if(g_paramters[P_CREATE].value)
  {
    int rows = g_paramters[P_ROWS].value;
    HugoTransactions hugoTrans(* g_table);
    if (hugoTrans.loadTable(g_ndb, rows)){
      g_err.println("Failed to load %s with %d rows", 
		    g_table->getName(), rows);
      return -1;
    }
  }
  
  return 0;
}

bool
BackupRestore::table(const TableS & table){
  if (!m_restore_meta) 
  {
    return true;
  }
  NdbDictionary::Dictionary* dict = m_ndb->getDictionary();
  if (dict->createTable(*table.m_dictTable) == -1) 
  {
    err << "Create table " << table.getTableName() << " failed: "
	<< dict->getNdbError() << endl;
    return false;
  }
  info << "Successfully restored table " << table.getTableName()<< endl ;
  return true;
}

int
create_table() {
    NdbDictionary::Dictionary* dict = g_ndb->getDictionary();
    assert(dict);
    if(g_paramters[P_CREATE].value) {
        const NdbDictionary::Table * pTab = NDBT_Tables::getTable(g_table);
        assert(pTab);
        NdbDictionary::Table copy = * pTab;
        copy.setLogging(false);
        if(dict->createTable(copy) != 0) {
            g_err << "Failed to create table: " << g_table << endl;
            return -1;
        }

        NdbDictionary::Index x(g_ordered);
        x.setTable(g_table);
        x.setType(NdbDictionary::Index::OrderedIndex);
        x.setLogging(false);
        for (unsigned k = 0; k < copy.getNoOfColumns(); k++) {
            if(copy.getColumn(k)->getPrimaryKey()) {
                x.addColumn(copy.getColumn(k)->getName());
            }
        }

        if(dict->createIndex(x) != 0) {
            g_err << "Failed to create index: " << endl;
            return -1;
        }

        x.setName(g_unique);
        x.setType(NdbDictionary::Index::UniqueHashIndex);
        if(dict->createIndex(x) != 0) {
            g_err << "Failed to create index: " << endl;
            return -1;
        }
    }
    g_tab = dict->getTable(g_table);
    g_i_unique = dict->getIndex(g_unique, g_table);
    g_i_ordered = dict->getIndex(g_ordered, g_table);
    assert(g_tab);
    assert(g_i_unique);
    assert(g_i_ordered);
    return 0;
}

int
main(int argc, char** argv)
{
  NDB_INIT(argv[0]);
  const char *load_default_groups[]= { "mysql_cluster",0 };
  load_defaults("my",load_default_groups,&argc,&argv);

  int ho_error;
#ifndef DBUG_OFF
  opt_debug= "d:t:F:L";
#endif
  if ((ho_error=handle_options(&argc, &argv, my_long_options, 
			       ndb_std_get_one_option)))
    return NDBT_ProgramExit(NDBT_WRONGARGS);

  DBUG_ENTER("main");
  Ndb_cluster_connection con(opt_connect_str);
  if(con.connect(12, 5, 1))
  {
    DBUG_RETURN(NDBT_ProgramExit(NDBT_FAILED));
  }
  

  Ndb ndb(&con,_dbname);
  ndb.init();
  while (ndb.waitUntilReady() != 0);

  NdbDictionary::Dictionary * dict = ndb.getDictionary();
  int no_error= 1;
  int i;

  // create all tables
  Vector<const NdbDictionary::Table*> pTabs;
  if (argc == 0)
  {
    NDBT_Tables::dropAllTables(&ndb);
    NDBT_Tables::createAllTables(&ndb);
    for (i= 0; no_error && i < NDBT_Tables::getNumTables(); i++)
    {
      const NdbDictionary::Table *pTab= dict->getTable(NDBT_Tables::getTable(i)->getName());
      if (pTab == 0)
      {
	ndbout << "Failed to create table" << endl;
	ndbout << dict->getNdbError() << endl;
	no_error= 0;
	break;
      }
      pTabs.push_back(pTab);
    }
  }
  else
  {
    for (i= 0; no_error && argc; argc--, i++)
    {
      dict->dropTable(argv[i]);
      NDBT_Tables::createTable(&ndb, argv[i]);
      const NdbDictionary::Table *pTab= dict->getTable(argv[i]);
      if (pTab == 0)
      {
	ndbout << "Failed to create table" << endl;
	ndbout << dict->getNdbError() << endl;
	no_error= 0;
	break;
      }
      pTabs.push_back(pTab);
    }
  }
  pTabs.push_back(NULL);

  // create an event for each table
  for (i= 0; no_error && pTabs[i]; i++)
  {
    HugoTransactions ht(*pTabs[i]);
    if (ht.createEvent(&ndb)){
      no_error= 0;
      break;
    }
  }

  // create an event operation for each event
  Vector<NdbEventOperation *> pOps;
  for (i= 0; no_error && pTabs[i]; i++)
  {
    char buf[1024];
    sprintf(buf, "%s_EVENT", pTabs[i]->getName());
    NdbEventOperation *pOp= ndb.createEventOperation(buf, 1000);
    if ( pOp == NULL )
    {
      no_error= 0;
      break;
    }
    pOps.push_back(pOp);
  }

  // get storage for each event operation
  for (i= 0; no_error && pTabs[i]; i++)
  {
    int n_columns= pTabs[i]->getNoOfColumns();
    for (int j = 0; j < n_columns; j++) {
      pOps[i]->getValue(pTabs[i]->getColumn(j)->getName());
//.........这里部分代码省略.........

//.........这里部分代码省略.........

    if (table.getBackupVersion() < MAKE_VERSION(5,1,18))
      copy.setForceVarPart(true);
    else if (getMajor(table.getBackupVersion()) == 6 &&
             (table.getBackupVersion() < MAKE_VERSION(6,1,7) ||
              table.getBackupVersion() == MAKE_VERSION(6,2,0)))
      copy.setForceVarPart(true);

    /*
      update min and max rows to reflect the table, this to
      ensure that memory is allocated properly in the ndb kernel
    */
    copy.setMinRows(table.getNoOfRecords());
    if (table.getNoOfRecords() > copy.getMaxRows())
    {
      copy.setMaxRows(table.getNoOfRecords());
    }
    
    NdbTableImpl &tableImpl = NdbTableImpl::getImpl(copy);
    if (table.getBackupVersion() < MAKE_VERSION(5,1,0) && !m_no_upgrade){
      for(int i= 0; i < copy.getNoOfColumns(); i++)
      {
        NdbDictionary::Column::Type t = copy.getColumn(i)->getType();

        if (t == NdbDictionary::Column::Varchar ||
          t == NdbDictionary::Column::Varbinary)
          tableImpl.getColumn(i)->setArrayType(NdbDictionary::Column::ArrayTypeShortVar);
        if (t == NdbDictionary::Column::Longvarchar ||
          t == NdbDictionary::Column::Longvarbinary)
          tableImpl.getColumn(i)->setArrayType(NdbDictionary::Column::ArrayTypeMediumVar);
      }
    }

    if (dict->createTable(copy) == -1) 
    {
      err << "Create table `" << table.getTableName() << "` failed: "
          << dict->getNdbError() << endl;
      if (dict->getNdbError().code == 771)
      {
        /*
          The user on the cluster where the backup was created had specified
          specific node groups for partitions. Some of these node groups
          didn't exist on this cluster. We will warn the user of this and
          inform him of his option.
        */
        err << "The node groups defined in the table didn't exist in this";
        err << " cluster." << endl << "There is an option to use the";
        err << " the parameter ndb-nodegroup-map to define a mapping from";
        err << endl << "the old nodegroups to new nodegroups" << endl; 
      }
      return false;
    }
    info << "Successfully restored table `"
         << table.getTableName() << "`" << endl;
  }  
  
  const NdbDictionary::Table* tab = dict->getTable(split[2].c_str());
  if(tab == 0){
    err << "Unable to find table: `" << split[2].c_str() << "`" << endl;
    return false;
  }
  if(m_restore_meta)
  {
    if (tab->getFrmData())
    {
      // a MySQL Server table is restored, thus an event should be created

int
create_table(){
  NdbDictionary::Dictionary* dict = g_ndb->getDictionary();
  assert(dict);
  if(g_paramters[P_CREATE].value){
    g_ndb->getDictionary()->dropTable(g_tablename);
    const NdbDictionary::Table * pTab = NDBT_Tables::getTable(g_tablename);
    assert(pTab);
    NdbDictionary::Table copy = * pTab;
    copy.setLogging(false);
    if(dict->createTable(copy) != 0){
      g_err << "Failed to create table: " << g_tablename << endl;
      return -1;
    }

    NdbDictionary::Index x(g_indexname);
    x.setTable(g_tablename);
    x.setType(NdbDictionary::Index::OrderedIndex);
    x.setLogging(false);
    for (unsigned k = 0; k < (unsigned) copy.getNoOfColumns(); k++){
      if(copy.getColumn(k)->getPrimaryKey()){
	x.addColumnName(copy.getColumn(k)->getName());
      }
    }

    if(dict->createIndex(x) != 0){
      g_err << "Failed to create index: " << endl;
      return -1;
    }
  }
  g_table = dict->getTable(g_tablename);
  g_index = dict->getIndex(g_indexname, g_tablename);
  assert(g_table);
  assert(g_index);

  /* Obtain NdbRecord instances for the table and index */
  {
    NdbDictionary::RecordSpecification spec[ NDB_MAX_ATTRIBUTES_IN_TABLE ];
    
    Uint32 offset=0;
    Uint32 cols= g_table->getNoOfColumns();
    for (Uint32 colNum=0; colNum<cols; colNum++)
    {
      const NdbDictionary::Column* col= g_table->getColumn(colNum);
      Uint32 colLength= col->getLength();
      
      spec[colNum].column= col;
      spec[colNum].offset= offset;

      offset+= colLength;

      spec[colNum].nullbit_byte_offset= offset++;
      spec[colNum].nullbit_bit_in_byte= 0;
    }
  
    g_table_record= dict->createRecord(g_table,
                                       &spec[0],
                                       cols,
                                       sizeof(NdbDictionary::RecordSpecification));

    assert(g_table_record);
  }
  {
    NdbDictionary::RecordSpecification spec[ NDB_MAX_ATTRIBUTES_IN_TABLE ];
    
    Uint32 offset=0;
    Uint32 cols= g_index->getNoOfColumns();
    for (Uint32 colNum=0; colNum<cols; colNum++)
    {
      /* Get column from the underlying table */
      // TODO : Add this mechanism to dict->createRecord
      // TODO : Add NdbRecord queryability methods so that an NdbRecord can
      // be easily built and later used to read out data.
      const NdbDictionary::Column* col= 
        g_table->getColumn(g_index->getColumn(colNum)->getName());
      Uint32 colLength= col->getLength();
      
      spec[colNum].column= col;
      spec[colNum].offset= offset;

      offset+= colLength;

      spec[colNum].nullbit_byte_offset= offset++;
      spec[colNum].nullbit_bit_in_byte= 0;
    }
  
    g_index_record= dict->createRecord(g_index,
                                       &spec[0],
                                       cols,
                                       sizeof(NdbDictionary::RecordSpecification));

    assert(g_index_record);
  }


  if(g_paramters[P_CREATE].value)
  {
    int rows = g_paramters[P_ROWS].value;
    HugoTransactions hugoTrans(* g_table);
    if (hugoTrans.loadTable(g_ndb, rows)){
//.........这里部分代码省略.........

static void createTable(Ndb &myNdb, bool storeInACC, bool twoKey, bool longKey)
{
  NdbDictionary::Dictionary* dict = myNdb.getDictionary();
  NdbDictionary::Table table("PERSON");
  //NdbDictionary::Column column(); // Bug
  NdbDictionary::Column column;
  int res;

  column.setName("NAME");
  column.setType(NdbDictionary::Column::Char);
  column.setLength((longKey)?
		   1024       // 1KB => long key
		   :12);
  column.setPrimaryKey(true);
  column.setNullable(false);
  table.addColumn(column);

  if (twoKey) {
    column.setName("KEY2");
    column.setType(NdbDictionary::Column::Unsigned);
    column.setLength(1);
    column.setPrimaryKey(true);
    column.setNullable(false);
    table.addColumn(column);
  }

  column.setName("PNUM1");
  column.setType(NdbDictionary::Column::Unsigned);
  column.setLength(1);
  column.setPrimaryKey(false);
  column.setNullable(false);
  table.addColumn(column);

  column.setName("PNUM2");
  column.setType(NdbDictionary::Column::Unsigned);
  column.setLength(1);
  column.setPrimaryKey(false);
  column.setNullable(false);
  table.addColumn(column);

  column.setName("PNUM3");
  column.setType(NdbDictionary::Column::Unsigned);
  column.setLength(1);
  column.setPrimaryKey(false);
  column.setNullable(false);
  table.addColumn(column);

  column.setName("PNUM4");
  column.setType(NdbDictionary::Column::Unsigned);
  column.setLength(1);
  column.setPrimaryKey(false);
  column.setNullable(false);
  table.addColumn(column);

  column.setName("AGE");
  column.setType(NdbDictionary::Column::Unsigned);
  column.setLength(1);
  column.setPrimaryKey(false);
  column.setNullable(false);
  table.addColumn(column);

  column.setName("STRING_AGE");
  column.setType(NdbDictionary::Column::Char);
  column.setLength(1);
  column.setLength(256);
  column.setPrimaryKey(false);
  column.setNullable(false);
  table.addColumn(column);

  if ((res = dict->createTable(table)) == -1) {
    error_handler(dict->getNdbError());
  }
  else
      ndbout << "Created table" << ((longKey)?" with long key":"") <<endl;
}

bool
BackupRestore::table(const TableS & table){
  if (!m_restore && !m_restore_meta)
    return true;

  const char * name = table.getTableName();
  
  /**
   * Ignore blob tables
   */
  if(match_blob(name) >= 0)
    return true;
  
  const NdbTableImpl & tmptab = NdbTableImpl::getImpl(* table.m_dictTable);
  if(tmptab.m_indexType != NdbDictionary::Index::Undefined){
    m_indexes.push_back(table.m_dictTable);
    return true;
  }
  
  BaseString tmp(name);
  Vector<BaseString> split;
  if(tmp.split(split, "/") != 3){
    err << "Invalid table name format `" << name << "`" << endl;
    return false;
  }

  m_ndb->setDatabaseName(split[0].c_str());
  m_ndb->setSchemaName(split[1].c_str());
  
  NdbDictionary::Dictionary* dict = m_ndb->getDictionary();
  if(m_restore_meta){
    NdbDictionary::Table copy(*table.m_dictTable);

    copy.setName(split[2].c_str());

    /*
      update min and max rows to reflect the table, this to
      ensure that memory is allocated properly in the ndb kernel
    */
    copy.setMinRows(table.getNoOfRecords());
    if (table.getNoOfRecords() > copy.getMaxRows())
    {
      copy.setMaxRows(table.getNoOfRecords());
    }

    if (dict->createTable(copy) == -1) 
    {
      err << "Create table `" << table.getTableName() << "` failed: "
	  << dict->getNdbError() << endl;
      return false;
    }
    info << "Successfully restored table `"
         << table.getTableName() << "`" << endl;
  }  
  
  const NdbDictionary::Table* tab = dict->getTable(split[2].c_str());
  if(tab == 0){
    err << "Unable to find table: `" << split[2].c_str() << "`" << endl;
    return false;
  }
  const NdbDictionary::Table* null = 0;
  m_new_tables.fill(table.m_dictTable->getTableId(), null);
  m_new_tables[table.m_dictTable->getTableId()] = tab;
  return true;
}