Thank you very much. I'll try it. Is there a better way of doing this--
I mean there must be since this is necessary for any application
needing to modify a database where generally tables are accessed
dynamically.
On Jun 10, 9:37 am, Lance Edgar <lance.ed...@gmail.com> wrote:
> On 6/10/2010 10:29 AM, Aref wrote:Thank you for the response. However, that
> is not the problem. If I do update =
> table.update(project.c.ProjectID=='project-name', values =
> {project.c.ProjectID:'program'}) print update update.execute() everything
> works fine. if I do this: test = 'table.c.'+columns[0] #columns is a list
> which contains the columns names update = table.update(test ==
> 'project-name', values={test:'program'}) update.execute() it does not work. I
> get an error that there is no such column. I need to be able to update
> columns dynamically where I do not have a prior knowledge of what tables and
> what are the table columns that may exist. How can I do that if at all?
> Instead try:update = table.update(eval(test)=='project-name',
> values={test:'program'})I can't say for sure that's the best way to do it
> still, but it would solve your immediate problem. The "test" variable is
> referencing a string, not a column. You have to eval() it to get the column
> reference.
> However, you say your error is that "there is no such column" ... I'd expect
> a much different error if my suggestion were to actually fix your problem.
> Anyway good luck. :) Might include your traceback next time if you still
> have problems.
> Lance
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