Bug 152443 Support boolean type in data set
Support boolean type in data set. It'll cause some data transform issue with absence of boolean type.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/odaconsumer/PreparedStatement.java
* @return	the ODA <code>java.sql.Types</code> code of the parameter.
	 * @throws DataException	if data source error occurs.
	 */
	public int getParameterType( String paramName ) throws DataException
	{
		String methodName = "getParameterType";
		sm_logger.entering( sm_className, methodName, paramName );
		
		
		int paramIndex = getIndexFromParamHints( paramName );
		if( paramIndex <= 0 )
		{
			sm_logger.logp( Level.SEVERE, sm_className, methodName, 
					"Cannot get parameter type by name." );
	
			throw new DataException( ResourceConstants.CANNOT_GET_PARAMETER_TYPE,
	                         			paramName );
		}
		int ret = getParameterType( paramIndex );
		
		sm_logger.exiting( sm_className, methodName, ret );		
		return ret;
	}
	/**
	 * Returns the specified output parameter value.
	 * @param paramIndex	the 1-based index of the parameter.
	 * @return	the output value for the specified parameter.
	 * @throws DataException	if data source error occurs.
	 */
	public Object getParameterValue( int paramIndex ) throws DataException