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
m_parameterMetaData = null;
		}
		
		sm_logger.exiting( sm_className, methodName );
	}
	private void validateAndAddParameterHint( ParameterHint newParameterHint )
		throws DataException
	{
		String methodName = "validateAndAddParameterHint";		
		sm_logger.entering( sm_className, methodName, newParameterHint );
		
		ArrayList parameterHintsList = getParameterHints();	
		String newParamHintName = newParameterHint.getName();
		int newParamHintIndex = newParameterHint.getPosition();
		for( int i = 0, n = parameterHintsList.size(); i < n; i++ )
		{
			ParameterHint existingParamHint = 
				(ParameterHint) parameterHintsList.get( i );
			
			String existingParamHintName = existingParamHint.getName();
			if( ! existingParamHintName.equals( newParamHintName ) )
			{
				int existingParamHintPosition = existingParamHint.getPosition();
				
				 
				
				if( newParamHintIndex == 0 ||
					existingParamHintPosition != newParamHintIndex )
					continue;