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 ret;
		}
		catch( OdaException ex )
		{
		    return logAndThrowGetBlobParamException( methodName, 
		            						paramName, ex );
		}
		catch( UnsupportedOperationException ex )
		{
		    return logAndThrowGetBlobParamException( methodName, 
											paramName, ex );
		}
	}
	
	private IBlob logAndThrowGetBlobParamException( String methodName, 
	        Object parameterId, Exception ex ) throws DataException
	{
		sm_logger.logp( Level.SEVERE, sm_className, methodName, 
				"Cannot get BLOB data from parameter.", ex );
		throw new DataException( ResourceConstants.CANNOT_GET_BLOB_FROM_PARAMETER, 
		        				ex, parameterId );
	}
	
	private IClob doGetClob( int paramIndex ) throws DataException
	{
		final String methodName = "doGetClob( int )";
		sm_logger.entering( sm_className, methodName, paramIndex );
		try
		{
		    IClob ret = getAdvancedStatement().getClob( paramIndex );