Hi,

I have a column of type PGObjectXml. (https://github.com/arskom/spyne/blob/ed574564383ff8cc757cd4609eede6d049c9b574/spyne/util/sqlalchemy.py#L184)

What is the best way of replacing the designated column type temporarily just for a select query? E.g. How do I fetch the column as a simple string? Or how do I temprarily replace it with another custom type that parses the xml string as an ElementTree object?

Best Regards,
Burak

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