C++ Dictionary::createIndex方法代码示例

本文整理汇总了C++中ndbdictionary::Dictionary::createIndex方法的典型用法代码示例。如果您正苦于以下问题：C++ Dictionary::createIndex方法的具体用法？C++ Dictionary::createIndex怎么用？C++ Dictionary::createIndex使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ndbdictionary::Dictionary的用法示例。

在下文中一共展示了Dictionary::createIndex方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: createIndex

static void createIndex(Ndb &myNdb, bool includePrimary, unsigned int noOfIndexes)
{
  Uint64 before, after;
  NdbDictionary::Dictionary* dict = myNdb.getDictionary();
  char indexName[] = "PNUMINDEX0000";
  int res;

  for(unsigned int indexNum = 0; indexNum < noOfIndexes; indexNum++) {
    sprintf(indexName, "PNUMINDEX%.4u", indexNum);
    NdbDictionary::Index index(indexName);
    index.setTable("PERSON");
    index.setType(NdbDictionary::Index::UniqueHashIndex);
    if (includePrimary) {
      const char* attr_arr[] = {"NAME", "PNUM1", "PNUM3"};
      index.addIndexColumns(3, attr_arr);
    }
    else {
      const char* attr_arr[] = {"PNUM1", "PNUM3"};
      index.addIndexColumns(2, attr_arr);
    }
    before = NdbTick_CurrentMillisecond();
    if ((res = dict->createIndex(index)) == -1) {
      error_handler(dict->getNdbError());
    }    
    after = NdbTick_CurrentMillisecond();
    ndbout << "Created index " << indexName << ", " << after - before << " msec" << endl;
  }
}

开发者ID:4T-Shirt，项目名称:mysql，代码行数:28，代码来源:index.cpp

示例2: GETNDB

int
runCreateIndexT1(NDBT_Context* ctx, NDBT_Step* step)
{
    Ndb* pNdb = GETNDB(step);
    NdbDictionary::Dictionary* pDict = pNdb->getDictionary();
    const NdbDictionary::Table* pTab = pDict->getTable("T1");
    if (pTab == 0)
    {
        g_err << "getTable(T1) error: " << pDict->getNdbError() << endl;
        return NDBT_FAILED;
    }
    NdbDictionary::Index ind;
    ind.setName("T1X1");
    ind.setTable("T1");
    ind.setType(NdbDictionary::Index::OrderedIndex);
    ind.setLogging(false);
    ind.addColumn("KOL2");
    ind.addColumn("KOL3");
    ind.addColumn("KOL4");
    if (pDict->createIndex(ind, *pTab) != 0)
    {
        g_err << "createIndex(T1X1) error: " << pDict->getNdbError() << endl;
        return NDBT_FAILED;
    }
    return NDBT_OK;
}

开发者ID:，项目名称:，代码行数:26，代码来源:

示例3: x

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;
}

开发者ID:liuqian1990，项目名称:mariadb-10.0，代码行数:44，代码来源:testReadPerf.cpp

示例4: x

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;
}

开发者ID:4T-Shirt，项目名称:mysql，代码行数:48，代码来源:testScanPerf.cpp

示例5: tmp

bool
BackupRestore::endOfTables(){
  if(!m_restore_meta)
    return true;

  NdbDictionary::Dictionary* dict = m_ndb->getDictionary();
  for(size_t i = 0; i<m_indexes.size(); i++){
    NdbTableImpl & indtab = NdbTableImpl::getImpl(* m_indexes[i]);

    Vector<BaseString> split;
    {
      BaseString tmp(indtab.m_primaryTable.c_str());
      if (tmp.split(split, "/") != 3)
      {
        err << "Invalid table name format `" << indtab.m_primaryTable.c_str()
            << "`" << endl;
        return false;
      }
    }
    
    m_ndb->setDatabaseName(split[0].c_str());
    m_ndb->setSchemaName(split[1].c_str());
    
    const NdbDictionary::Table * prim = dict->getTable(split[2].c_str());
    if(prim == 0){
      err << "Unable to find base table `" << split[2].c_str() 
	  << "` for index `"
	  << indtab.getName() << "`" << endl;
      return false;
    }
    NdbTableImpl& base = NdbTableImpl::getImpl(*prim);
    NdbIndexImpl* idx;
    Vector<BaseString> split_idx;
    {
      BaseString tmp(indtab.getName());
      if (tmp.split(split_idx, "/") != 4)
      {
        err << "Invalid index name format `" << indtab.getName() << "`" << endl;
        return false;
      }
    }
    if(NdbDictInterface::create_index_obj_from_table(&idx, &indtab, &base))
    {
      err << "Failed to create index `" << split_idx[3]
	  << "` on " << split[2].c_str() << endl;
	return false;
    }
    idx->setName(split_idx[3].c_str());
    if(dict->createIndex(* idx) != 0)
    {
      delete idx;
      err << "Failed to create index `" << split_idx[3].c_str()
	  << "` on `" << split[2].c_str() << "`" << endl
	  << dict->getNdbError() << endl;

      return false;
    }
    delete idx;
    info << "Successfully created index `" << split_idx[3].c_str()
	 << "` on `" << split[2].c_str() << "`" << endl;
  }
  return true;
}

开发者ID:A-eolus，项目名称:mysql，代码行数:63，代码来源:consumer_restore.cpp

示例6: x

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.........

开发者ID:，项目名称:，代码行数:101，代码来源:

注：本文中的ndbdictionary::Dictionary::createIndex方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。