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;
		}
		
		 
		
		parameterHintsList.add( newParameterHint );
		
		sm_logger.exiting( sm_className, methodName );
	}
	
	/**
	 * Sets the names of all projected columns. If this method is not called, 
	 * then all columns in the runtime metadata are projected. The specified 
	 * projected names can be either a column name or column alias.
	 * @param projectedNames	the projected column names.
	 * @throws DataException	if data source error occurs.
	 */
	public void setColumnsProjection( String[] projectedNames ) 
		throws DataException
	{
		String methodName = "setColumnsProjection";		
		sm_logger.entering( sm_className, methodName, projectedNames );
		
		resetCurrentMetaData();
		getProjectedColumns().setProjectedNames( projectedNames );
		
		sm_logger.exiting( sm_className, methodName );
	}
	
	/**