On Jun 4, 2014, at 9:37 PM, Ryan Kelly <rpkell...@gmail.com> wrote:
>
>
> On Wednesday, June 4, 2014 5:11:19 PM UTC-4, Michael Bayer wrote:
>
> On Jun 4, 2014, at 4:29 PM, Ryan Kelly <rpke...@gmail.com> wrote:
>
> > Alembic cannot generate a revision for a table with 255 columns, as the
> > resulting python code is not valid. Python cannot handle a function call
> > with more than 255 arguments. At work, we get around this by defining the
> > columns as a list and unpacking the list with *, e.g.:
> >
> > the_columns = [
> > Column("a", Integer),
> > ...
> > ]
> >
> > the_table = Table("tbl", metadata, *the_columns)
>
> I'd accept a pull request which:
>
> 1. checks len(columns) to see if greater than 255
> 2. if so, wraps the output in *[ <the columns> ]
>
> https://github.com/zzzeek/alembic/pull/15
thank you! you've confirmed the patch works as given?
>
> -Ryan Kelly
>
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