On 9/23/2010 9:53 PM, Tom Lane wrote:
> David Schmitt<david@dasz.at> writes:
>> Executing the attached example.sql on a fresh database demonstrates the
>> problem I'm seeing:
>
> Found it. If you need a patch right away, it's a one-liner:
>
> diff --git a/src/backend/optimizer/path/allpaths.c b/src/backend/optimizer/path/allpaths.c
> index 2d86da3..b7cf0b8 100644
> --- a/src/backend/optimizer/path/allpaths.c
> +++ b/src/backend/optimizer/path/allpaths.c
> @@ -425,7 +425,7 @@ set_append_rel_pathlist(PlannerInfo *root, RelOptInfo *rel,
> childpath = childrel->cheapest_total_path;
> if (IsA(childpath, AppendPath))
> subpaths = list_concat(subpaths,
> - ((AppendPath *) childpath)->subpaths);
> + list_copy(((AppendPath *) childpath)->subpaths));
> else
> subpaths = lappend(subpaths, childpath);
>
Thank you very very much, you made my day! *phew*
Best Regards, David
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