RegTAPFeatureMissing¶
- exception pyvo.registry.RegTAPFeatureMissing(reason=None, label=None, url=None)[source]¶
- Raised when the current RegTAP server does not support a feature needed for a constraint. - This could be that it is missing some ADQL feature indispensible to write that constraint, or because it is missing a table or column. - To recover, choose another RegTAP service. Search constraining - datamodel="regtap", and then use- pyvo.registry.choose_RegTAP_servicewith a TAP access URL discovered in this way.- Parameters:
- reasonstr
- a message describing the cause of the error. This should be set to the content of the INFO error element. 
- labelstr
- the identifying name of the error. This should be the value of the INFO element’s value attribute within the VOTable response that describes the error. 
- urlstr
- the query URL that produced the error