SQLUpload io_handler API confusion

[johnseq-iterative]

The SQLUpload task takes a parameter io_handler that can be used to run custom code and return a dataframe in the event you need custom processing.

Currently the run method of SQLUpload checks for io_handler but doesn't do anything with it.

The code should probably look like this:

        if self.io_handler is None:
            extension = Path(path).suffix
            read_fn = mapping.get(extension)

            if not read_fn:
                raise ValueError(
                    'Could not infer reading function for '
                    'file with extension: {}'.format(extension),
                    'pass the function directly in the '
                    'io_handler argument')
        else:
            read_fn = self.io_handler

[edublancas]

Thanks for reporting this! It's fixed now, this will be part of the next release (coming up in the next few days)