コード例 #1
0
/* 
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);
}
コード例 #2
0
ファイル: DBDictionaryImpl.cpp プロジェクト: mysql/mysql-js
/* 
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);
}