How to use

ResultWrapper

in

org.postgresql.jdbc2

public void handleCommandStatus(String status, int updateCount, long insertOID) {
  append(new ResultWrapper(updateCount, insertOID));
}

private void append(ResultWrapper newResult) {
  if (results == null)
    results = newResult;
  else
    results.append(newResult);
}

public long getLastOID() throws SQLException
{
  checkClosed();
  if (result == null)
    return 0;
  return result.getInsertOID();
}

public boolean getMoreResults() throws SQLException
{
  if (result == null)
    return false;
  result = result.getNext();
  // Close preceding resultsets.
  while (firstUnclosedResult != result)
  {
    if (firstUnclosedResult.getResultSet() != null)
      firstUnclosedResult.getResultSet().close();
    firstUnclosedResult = firstUnclosedResult.getNext();
  }
  return (result != null && result.getResultSet() != null);
}

public int getUpdateCount() throws SQLException
{
  checkClosed();
  if (result == null || result.getResultSet() != null)
    return -1;
  return result.getUpdateCount();
}

public java.sql.ResultSet getResultSet() throws SQLException
{
  checkClosed();
  if (result == null)
    return null;
  return (ResultSet) result.getResultSet();
}

result = result.getNext();

if (current == Statement.CLOSE_CURRENT_RESULT && result != null && result.getResultSet() != null)
  result.getResultSet().close();
  result = result.getNext();
    if (firstUnclosedResult.getResultSet() != null)
      firstUnclosedResult.getResultSet().close();
    firstUnclosedResult = firstUnclosedResult.getNext();
return (result != null && result.getResultSet() != null);

/**
 * Retrieves any auto-generated keys created as a result of executing this
 * <code>Statement</code> object. If this <code>Statement</code> object did
 * not generate any keys, an empty <code>ResultSet</code>
 * object is returned.
 *
 * @return a <code>ResultSet</code> object containing the auto-generated key(s)
 *     generated by the execution of this <code>Statement</code> object
 * @exception SQLException if a database access error occurs
 * @since 1.4
 */
public ResultSet getGeneratedKeys() throws SQLException
{
  checkClosed();
  if (generatedKeys == null || generatedKeys.getResultSet() == null)
    return createDriverResultSet(new Field[0], new Vector());
  return generatedKeys.getResultSet();
}

public int getUpdateCount() throws SQLException
{
  checkClosed();
  if (result == null || result.getResultSet() != null)
    return -1;
  return result.getUpdateCount();
}

result = result.getNext();

protected void closeForNextExecution() throws SQLException {
  // Every statement execution clears any previous warnings.
  clearWarnings();
  // Close any existing resultsets associated with this statement.
  while (firstUnclosedResult != null)
  {
    if (firstUnclosedResult.getResultSet() != null)
      firstUnclosedResult.getResultSet().close();
    firstUnclosedResult = firstUnclosedResult.getNext();
  }
  result = null;
  if (lastSimpleQuery != null) {
    lastSimpleQuery.close();
    lastSimpleQuery = null;
  }
  if (generatedKeys != null) {
    if (generatedKeys.getResultSet() != null) {
      generatedKeys.getResultSet().close();
    }
    generatedKeys = null;
  }
}

  if (result == null || result.getResultSet() == null)
    throw new PSQLException(GT.tr("A CallableStatement was executed with nothing returned."), PSQLState.NO_DATA);
  ResultSet rs = result.getResultSet();
  if (!rs.next())
    throw new PSQLException(GT.tr("A CallableStatement was executed with nothing returned."), PSQLState.NO_DATA);
return (result != null && result.getResultSet() != null);

public int getUpdateCount() throws SQLException
{
  checkClosed();
  if (result == null || result.getResultSet() != null)
    return -1;
  return result.getUpdateCount();
}

public void handleResultRows(Query fromQuery, Field[] fields, Vector tuples, ResultCursor cursor) {
  try
  {
    ResultSet rs = AbstractJdbc2Statement.this.createResultSet(fromQuery, fields, tuples, cursor);
    append(new ResultWrapper(rs));
  }
  catch (SQLException e)
  {
    handleError(e);
  }
}

public int getInsertedOID() throws SQLException
{
  checkClosed();
  if (result == null)
    return 0;
  return (int) result.getInsertOID();
}

private void append(ResultWrapper newResult) {
  if (results == null)
    results = newResult;
  else
    results.append(newResult);
}

public java.sql.ResultSet executeQuery() throws SQLException
{
  if (!executeWithFlags(0))
    throw new PSQLException(GT.tr("No results were returned by the query."), PSQLState.NO_DATA);
  if (result.getNext() != null)
    throw new PSQLException(GT.tr("Multiple ResultSets were returned by the query."), PSQLState.TOO_MANY_RESULTS);
  return (ResultSet) result.getResultSet();
}

public boolean executeWithFlags(String p_sql, int flags) throws SQLException
{
  checkClosed();
  p_sql = replaceProcessing(p_sql);
  Query simpleQuery = connection.getQueryExecutor().createSimpleQuery(p_sql);
  execute(simpleQuery, null, QueryExecutor.QUERY_ONESHOT | flags);
  this.lastSimpleQuery = simpleQuery;
  return (result != null && result.getResultSet() != null);
}

generatedKeys = new ResultWrapper(((BatchResultHandler)handler).getGeneratedKeys());