[plt-scheme] how to find column names through sqli?

Hi all -

can one retrieve the column names through sqlid interface?  It seems that
the returned results only have the data... at first glance through doc or
sqli.scm I cannot find a function that returns column names.  This is useful
when one specify a column alias or using * to dynamically receive a list of
names back from sql.

Thanks,
yinso

-- 
http://www.yinsochen.com
...continuous learning...
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