Re: BUG #6535: LEFT JOIN on large table is altering data

aren@arencambre.com writes:
> (Note that this issue is described fully at
> http://stackoverflow.com/questions/9713537/postgres-left-join-is-creating-new-data.
> A few knowledgeable people have weighed in, and there is no solution
> identified.)

This might be a bug, but you've not provided sufficient information for
someone else to reproduce the problem.  What would be good is a SQL
script that reproduces the error from a standing start (empty database).

            regards, tom lane