C++ ndbdictionary::Table类代码示例

/* 
DBIndex = {
  name             : ""    ,  // Index name; undefined for PK 
  isPrimaryKey     : true  ,  // true for PK; otherwise undefined
  isUnique         : true  ,  // true or false
  isOrdered        : true  ,  // true or false; can scan if true
  columnNumbers    : []    ,  // an ordered array of column numbers
};
*/
Handle<Object> GetTableCall::buildDBIndex_PK() {
  HandleScope scope;
  
  Local<Object> obj = Object::New();

  obj->Set(String::NewSymbol("isPrimaryKey"), Boolean::New(true), ReadOnly);
  obj->Set(String::NewSymbol("isUnique"),     Boolean::New(true), ReadOnly);
  obj->Set(String::NewSymbol("isOrdered"),    Boolean::New(false), ReadOnly);

  /* Loop over the columns of the key. 
     Build the "columnNumbers" array and the "record" object, then set both.
  */  
  int ncol = ndb_table->getNoOfPrimaryKeys();
  DEBUG_PRINT("Creating Primary Key Record");
  Record * pk_record = new Record(arg0->dict, ncol);
  Local<Array> idx_columns = Array::New(ncol);
  for(int i = 0 ; i < ncol ; i++) {
    const char * col_name = ndb_table->getPrimaryKey(i);
    const NdbDictionary::Column * col = ndb_table->getColumn(col_name);
    pk_record->addColumn(col);
    idx_columns->Set(i, v8::Int32::New(col->getColumnNo()));
  }
  pk_record->completeTableRecord(ndb_table);

  obj->Set(String::NewSymbol("columnNumbers"), idx_columns);
  obj->Set(String::NewSymbol("record"), Record_Wrapper(pk_record), ReadOnly);
 
  return scope.Close(obj);
}

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
NDBT_TestSuite::createHook(Ndb* ndb, NdbDictionary::Table& tab, int when)
{
  if (when == 0) {
    if (diskbased) 
    {
      for (int i = 0; i < tab.getNoOfColumns(); i++) 
      {
        NdbDictionary::Column* col = tab.getColumn(i);
        if (! col->getPrimaryKey()) 
	{
          col->setStorageType(NdbDictionary::Column::StorageTypeDisk);
        }
      }
    }
    else if (temporaryTables)
    {
      tab.setTemporary(true);
      tab.setLogging(false);
    }
    
    if (tsname != NULL) {
      tab.setTablespaceName(tsname);
    }
  }
  return 0;
}

/* 
DBIndex = {
  name             : ""    ,  // Index name
  isPrimaryKey     : true  ,  // true for PK; otherwise undefined
  isUnique         : true  ,  // true or false
  isOrdered        : true  ,  // true or false; can scan if true
  columnNumbers    : []    ,  // an ordered array of column numbers
};
*/
Handle<Object> GetTableCall::buildDBIndex_PK() {
  EscapableHandleScope scope(isolate);
  
  Local<Object> obj = Object::New(isolate);

  SET_RO_PROPERTY(obj, SYMBOL(isolate, "name"), String::NewFromUtf8(isolate, "PRIMARY_KEY"));
  SET_RO_PROPERTY(obj, SYMBOL(isolate, "isPrimaryKey"), Boolean::New(isolate, true));
  SET_RO_PROPERTY(obj, SYMBOL(isolate, "isUnique"),     Boolean::New(isolate, true));
  SET_RO_PROPERTY(obj, SYMBOL(isolate, "isOrdered"),    Boolean::New(isolate, false));

  /* Loop over the columns of the key. 
     Build the "columnNumbers" array and the "record" object, then set both.
  */  
  int ncol = ndb_table->getNoOfPrimaryKeys();
  DEBUG_PRINT("Creating Primary Key Record");
  Record * pk_record = new Record(dict, ncol);
  Local<Array> idx_columns = Array::New(isolate, ncol);
  for(int i = 0 ; i < ncol ; i++) {
    const char * col_name = ndb_table->getPrimaryKey(i);
    const NdbDictionary::Column * col = ndb_table->getColumn(col_name);
    pk_record->addColumn(col);
    idx_columns->Set(i, v8::Int32::New(isolate, col->getColumnNo()));
  }
  pk_record->completeTableRecord(ndb_table);

  obj->Set(SYMBOL(isolate, "columnNumbers"), idx_columns);
  SET_RO_PROPERTY(obj, SYMBOL(isolate, "record"), Record_Wrapper(pk_record));

  return scope.Escape(obj);
}

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;
}

void GetTableCall::run() {
  DEBUG_PRINT("GetTableCall::run() [%s.%s]", arg1, arg2);
  NdbDictionary::Dictionary * dict;
  return_val = -1;
  
  if(strlen(arg1)) {
    arg0->ndb->setDatabaseName(arg1);
  }
  dict = arg0->ndb->getDictionary();
  ndb_table = dict->getTable(arg2);
  if(ndb_table) {
    return_val = dict->listIndexes(idx_list, arg2);
  }
  if(return_val == 0) {
    /* Fetch the indexes now.  These calls may perform network IO, populating 
       the (connection) global and (Ndb) local dictionary caches.  Later,
       in the JavaScript main thread, we will call getIndex() again knowing
       that the caches are populated.
    */
    for(unsigned int i = 0 ; i < idx_list.count ; i++) { 
      const NdbDictionary::Index * idx = dict->getIndex(idx_list.elements[i].name, arg2);
      /* It is possible to get an index for a recently dropped table rather 
         than the desired table.  This is a known bug likely to be fixed later.
      */
      if(ndb_table->getObjectVersion() != 
         dict->getTable(idx->getTable())->getObjectVersion()) 
      {
        dict->invalidateIndex(idx);
        idx = dict->getIndex(idx_list.elements[i].name, arg2);
      }
    }
  }
}

Handle<Object> GetTableCall::buildDBIndex(const NdbDictionary::Index *idx) {
  HandleScope scope;
  
  Local<Object> obj = NdbDictIndexEnv.newWrapper();
  wrapPointerInObject(idx, NdbDictIndexEnv, obj);

  obj->Set(String::NewSymbol("name"), String::New(idx->getName()));
  obj->Set(String::NewSymbol("isUnique"),     
           Boolean::New(idx->getType() == NdbDictionary::Index::UniqueHashIndex),
           ReadOnly);
  obj->Set(String::NewSymbol("isOrdered"),
           Boolean::New(idx->getType() == NdbDictionary::Index::OrderedIndex),
           ReadOnly);
  
  /* Loop over the columns of the key. 
     Build the "columns" array and the "record" object, then set both.
  */  
  int ncol = idx->getNoOfColumns();
  Local<Array> idx_columns = Array::New(ncol);
  DEBUG_PRINT("Creating Index Record (%s)", idx->getName());
  Record * idx_record = new Record(arg0->dict, ncol);
  for(int i = 0 ; i < ncol ; i++) {
    const char *colName = idx->getColumn(i)->getName();
    const NdbDictionary::Column *col = ndb_table->getColumn(colName);
    idx_columns->Set(i, v8::Int32::New(col->getColumnNo()));
    idx_record->addColumn(col);
  }
  idx_record->completeIndexRecord(idx);
  obj->Set(String::NewSymbol("record"), Record_Wrapper(idx_record), ReadOnly);
  obj->Set(String::NewSymbol("columnNumbers"), idx_columns);
  
  return scope.Close(obj);
}

static int
g_create_hook(Ndb* ndb, NdbDictionary::Table& tab, int when, void* arg)
{
  if (when == 0) {
    if (g_diskbased) {
      for (int i = 0; i < tab.getNoOfColumns(); i++) {
        NdbDictionary::Column* col = tab.getColumn(i);
        if (! col->getPrimaryKey()) {
          col->setStorageType(NdbDictionary::Column::StorageTypeDisk);
        }
      }
    }
    if (g_tsname != NULL) {
      tab.setTablespaceName(g_tsname);
    }
  }
  return 0;
}

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;
}

NDBT_ResultRow::NDBT_ResultRow(const NdbDictionary::Table& tab,
			       char attrib_delimiter)
  : cols(0), names(NULL), data(NULL), m_ownData(false), m_table(tab)
{
  ad[0] = attrib_delimiter;
  ad[1] = 0;

  if (tab.getObjectStatus() == NdbDictionary::Object::Retrieved)
  {
    cols  = tab.getNoOfColumns();
    names = new char *       [cols];
    data  = new NdbRecAttr * [cols];
  
    for(int i = 0; i<cols; i++){
      names[i] = new char[255];
      strcpy(names[i], tab.getColumn(i)->getName());
    }  
  }
}

const NdbDictionary::Table*
NDBT_Tables::tableWithPkSize(const char* _nam, Uint32 pkSize){
  NdbDictionary::Table* tab = new NdbDictionary::Table(_nam);

  // Add one PK of the desired length
  tab->addColumn(NDBT_Attribute("PK1",
				NdbDictionary::Column::Char,
				pkSize,
				true));
  
  // Add 4 attributes
  tab->addColumn(NDBT_Attribute("ATTR1",
				NdbDictionary::Column::Char,
				21));
  
  tab->addColumn(NDBT_Attribute("ATTR2",
				NdbDictionary::Column::Char,
				124));
  
  tab->addColumn(NDBT_Attribute("ATTR3",
				NdbDictionary::Column::Unsigned));
  
  tab->addColumn(NDBT_Attribute("ATTR4",
				NdbDictionary::Column::Unsigned));
  
  return tab;
}

/*
 * ForeignKeyMetadata = {
  name             : ""    ,  // Constraint name
  columnNames      : null  ,  // an ordered array of column numbers
  targetTable      : ""    ,  // referenced table name
  targetDatabase   : ""    ,  // referenced database name
  targetColumnNames: null  ,  // an ordered array of target column names
};
*/
Handle<Object> GetTableCall::buildDBForeignKey(const NdbDictionary::ForeignKey *fk) {
  HandleScope scope;
  DictionaryNameSplitter localSplitter;
  Local<Object> js_fk = Object::New();

  localSplitter.splitName(fk->getName());  // e.g. "12/20/fkname"
  js_fk->Set(String::NewSymbol("name"), String::New(localSplitter.part3));

  // get child column names
  unsigned int childColumnCount = fk->getChildColumnCount();
  Local<Array> fk_child_column_names = Array::New(childColumnCount);
  for (unsigned i = 0; i < childColumnCount; ++i) {
    int columnNumber = fk->getChildColumnNo(i);
    const NdbDictionary::Column * column = ndb_table->getColumn(columnNumber);
    fk_child_column_names->Set(i, String::New(column->getName()));
  }
  js_fk->Set(String::NewSymbol("columnNames"), fk_child_column_names);

  // get parent table (which might be in a different database)
  const char * fk_parent_name = fk->getParentTable();
  localSplitter.splitName(fk_parent_name);
  const char * parent_db_name = localSplitter.part1;
  const char * parent_table_name = localSplitter.part3;
  js_fk->Set(String::NewSymbol("targetTable"), String::New(parent_table_name));
  js_fk->Set(String::NewSymbol("targetDatabase"), String::New(parent_db_name));
  ndb->setDatabaseName(parent_db_name);
  const NdbDictionary::Table * parent_table = dict->getTable(parent_table_name);
  ndb->setDatabaseName(dbName);

  // get parent column names
  unsigned int parentColumnCount = fk->getParentColumnCount();
  Local<Array> fk_parent_column_names = Array::New(parentColumnCount);
  for (unsigned i = 0; i < parentColumnCount; ++i) {
    int columnNumber = fk->getParentColumnNo(i);
    const NdbDictionary::Column * column = parent_table->getColumn(columnNumber);
    fk_parent_column_names->Set(i, String::New( column->getName()));
  }
  js_fk->Set(String::NewSymbol("targetColumnNames"), fk_parent_column_names);

  return scope.Close(js_fk);
}

/* doAsyncCallback() runs in the main thread.  We don't want it to block.
   TODO: verify whether any IO is done 
         by checking WaitMetaRequestCount at the start and end.
*/    
void GetTableCall::doAsyncCallback(Local<Object> ctx) {
  const char *ndbTableName;
  EscapableHandleScope scope(isolate);
  DEBUG_PRINT("GetTableCall::doAsyncCallback: return_val %d", return_val);

  /* User callback arguments */
  Handle<Value> cb_args[2];
  cb_args[0] = Null(isolate);
  cb_args[1] = Null(isolate);
  
  /* TableMetadata = {
      database         : ""    ,  // Database name
      name             : ""    ,  // Table Name
      columns          : []    ,  // ordered array of DBColumn objects
      indexes          : []    ,  // array of DBIndex objects 
      partitionKey     : []    ,  // ordered array of column numbers in the partition key
      sparseContainer  : null     // default column for sparse fields
    };
  */    
  if(ndb_table && ! return_val) {
    Local<Object> table = NdbDictTableEnv.wrap(ndb_table)->ToObject();

    // database
    table->Set(SYMBOL(isolate, "database"), String::NewFromUtf8(isolate, arg1));
    
    // name
    ndbTableName = ndb_table->getName();
    table->Set(SYMBOL(isolate, "name"), String::NewFromUtf8(isolate, ndbTableName));

    // partitionKey
    int nPartitionKeys = 0;
    Handle<Array> partitionKeys = Array::New(isolate);
    table->Set(SYMBOL(isolate, "partitionKey"), partitionKeys);

    // sparseContainer
    table->Set(SYMBOL(isolate,"sparseContainer"), Null(isolate));

    // columns
    Local<Array> columns = Array::New(isolate, ndb_table->getNoOfColumns());
    for(int i = 0 ; i < ndb_table->getNoOfColumns() ; i++) {
      const NdbDictionary::Column *ndb_col = ndb_table->getColumn(i);
      Handle<Object> col = buildDBColumn(ndb_col);
      columns->Set(i, col);
      if(ndb_col->getPartitionKey()) { /* partition key */
        partitionKeys->Set(nPartitionKeys++, String::NewFromUtf8(isolate, ndb_col->getName()));
      }
      if(     ! strcmp(ndb_col->getName(), "SPARSE_FIELDS")
          && ( (! strncmp(getColumnType(ndb_col), "VARCHAR", 7)
                  && (getEncoderCharsetForColumn(ndb_col)->isUnicode))
              || (   ! strncmp(getColumnType(ndb_col), "VARBINARY", 9)
                  || ! strncmp(getColumnType(ndb_col), "JSON", 4))))
      {
        table->Set(SYMBOL(isolate,"sparseContainer"),
                   String::NewFromUtf8(isolate, ndb_col->getName()));
      }
    }
    table->Set(SYMBOL(isolate, "columns"), columns);

    // indexes (primary key & secondary) 
    Local<Array> js_indexes = Array::New(isolate, idx_list.count + 1);
    js_indexes->Set(0, buildDBIndex_PK());                   // primary key
    for(unsigned int i = 0 ; i < idx_list.count ; i++) {   // secondary indexes
      const NdbDictionary::Index * idx =
        dict->getIndex(idx_list.elements[i].name, arg2);
      js_indexes->Set(i+1, buildDBIndex(idx));
    }    
    SET_RO_PROPERTY(table, SYMBOL(isolate, "indexes"), js_indexes);

    // foreign keys (only foreign keys for which this table is the child)
    // now create the javascript foreign key metadata objects for dictionary objects cached earlier
    Local<Array> js_fks = Array::New(isolate, fk_count);

    int fk_number = 0;
    for(unsigned int i = 0 ; i < fk_list.count ; i++) {
      NdbDictionary::ForeignKey fk;
      if (fk_list.elements[i].type == NdbDictionary::Object::ForeignKey) {
        const char * fk_name = fk_list.elements[i].name;
        int fkGetCode = dict->getForeignKey(fk, fk_name);
        DEBUG_PRINT("getForeignKey for %s returned %i", fk_name, fkGetCode);
        // see if the foreign key child table is this table
        if(splitNameMatchesDbAndTable(fk.getChildTable())) {
          // the foreign key child table is this table; build the fk object
          DEBUG_PRINT("Adding foreign key for %s at %i", fk.getName(), fk_number);
          js_fks->Set(fk_number++, buildDBForeignKey(&fk));
        }
      }
    }
    SET_RO_PROPERTY(table, SYMBOL(isolate, "foreignKeys"), js_fks);

    // Autoincrement Cache Impl (also not part of spec)
    if(per_table_ndb) {
      table->Set(SYMBOL(isolate, "per_table_ndb"), Ndb_Wrapper(per_table_ndb));
    }
    
    // User Callback
    cb_args[1] = table;
//.........这里部分代码省略.........

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);

}

void GetTableCall::run() {
  DEBUG_PRINT("GetTableCall::run() [%s.%s]", arg1, arg2);
  return_val = -1;

  /* dbName is optional; if not present, set it from ndb database name */
  if(strlen(dbName)) {
    ndb->setDatabaseName(dbName);
  } else {
    dbName = ndb->getDatabaseName();
  }
  dict = ndb->getDictionary();
  ndb_table = dict->getTable(tableName);
  if(ndb_table) {
    /* Ndb object used to create NdbRecords and to cache auto-increment values */
    per_table_ndb = new Ndb(& ndb->get_ndb_cluster_connection());
    DEBUG_PRINT("per_table_ndb %s.%s %p\n", dbName, tableName, per_table_ndb);
    per_table_ndb->init();

    /* List the indexes */
    return_val = dict->listIndexes(idx_list, tableName);
  }
  if(return_val == 0) {
    /* Fetch the indexes now.  These calls may perform network IO, populating 
       the (connection) global and (Ndb) local dictionary caches.  Later,
       in the JavaScript main thread, we will call getIndex() again knowing
       that the caches are populated.
    */
    for(unsigned int i = 0 ; i < idx_list.count ; i++) { 
      const NdbDictionary::Index * idx = dict->getIndex(idx_list.elements[i].name, tableName);
      /* It is possible to get an index for a recently dropped table rather 
         than the desired table.  This is a known bug likely to be fixed later.
      */
      const char * idx_table_name = idx->getTable();
      const NdbDictionary::Table * idx_table = dict->getTable(idx_table_name);
      if(idx_table == 0 || idx_table->getObjectVersion() != ndb_table->getObjectVersion()) 
      {
        dict->invalidateIndex(idx);
        idx = dict->getIndex(idx_list.elements[i].name, tableName);
      }
    }
  }
  else {
    DEBUG_PRINT("listIndexes() returned %i", return_val);
    ndbError = & dict->getNdbError();
    return;
  }
  /* List the foreign keys and keep the list around for doAsyncCallback to create js objects
   * Currently there is no listForeignKeys so we use the more generic listDependentObjects
   * specifying the table metadata object.
   */
  return_val = dict->listDependentObjects(fk_list, *ndb_table);
  if (return_val == 0) {
    /* Fetch the foreign keys and associated parent tables now.
     * These calls may perform network IO, populating
     * the (connection) global and (Ndb) local dictionary caches.  Later,
     * in the JavaScript main thread, we will call getForeignKey() again knowing
     * that the caches are populated.
     * We only care about foreign keys where this table is the child table, not the parent table.
     */
    for(unsigned int i = 0 ; i < fk_list.count ; i++) {
      NdbDictionary::ForeignKey fk;
      if (fk_list.elements[i].type == NdbDictionary::Object::ForeignKey) {
        const char * fk_name = fk_list.elements[i].name;
        int fkGetCode = dict->getForeignKey(fk, fk_name);
        DEBUG_PRINT("getForeignKey for %s returned %i", fk_name, fkGetCode);
        // see if the foreign key child table is this table
        if(splitNameMatchesDbAndTable(fk.getChildTable())) {
          // the foreign key child table is this table; get the parent table
          ++fk_count;
          DEBUG_PRINT("Getting ParentTable");
          splitter.splitName(fk.getParentTable());
          ndb->setDatabaseName(splitter.part1);  // temp for next call
          const NdbDictionary::Table * parent_table = dict->getTable(splitter.part3);
          ndb->setDatabaseName(dbName);  // back to expected value
          DEBUG_PRINT("Parent table getTable returned %s", parent_table->getName());
        }
      }
    }
  }
  else {
    DEBUG_PRINT("listDependentObjects() returned %i", return_val);
    ndbError = & dict->getNdbError();
  }
}