On Wed, 2007-03-21 at 16:11 -0400, Michael Bayer wrote: > the literal('c') compiles into a bind parameter, which is not able to > "export" itself as a column on its enclosing "selectable", so thats > that error (i might want to look into adding a better error for that > one, had never seen it before). you want to use a newer function > literal_column("c"). the change in 0.3.5 is that saying column > ("something") is going to apply case sensitivity rules to the string > inside...since yours has '' inside of it, it says, "oh i have to > quote that". so literal_column() disables all quoting rules (and its > whats used inside of the polymorphic_union function now).
Thanks Michael! literal_column("'c'").label('kind') seems to be working well. -Toshio
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