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
checkNamedResultsSupport();
		
		 
		
		ResultSet resultset = 
			(ResultSet) getNamedCurrentResultSets().get( resultSetName );
		
		IResultClass ret = null;
		
		if( resultset != null )
			ret = resultset.getMetaData();
		else
			ret = doGetMetaData( resultSetName );
		
		sm_logger.exiting( sm_className, methodName, ret );
		return ret;
	}
	
	private IResultClass doGetMetaData( String resultSetName ) throws DataException
	{
		String methodName = "doGetMetaData";
		sm_logger.entering( sm_className, methodName, resultSetName );
		
		IResultClass resultClass = 
			(IResultClass) getNamedCurrentResultClasses().get( resultSetName );
		if( resultClass == null )
		{
			List projectedColumns = 
				getProjectedColumns( resultSetName ).getColumnsMetadata();