Hello Amit,

The extra n->is_from_type = false; seems to be added by mistake?

@@ -11888,6 +11891,8 @@ TableFuncElement:   ColId Typename
opt_collate_clause
                    n->is_local = true;
                    n->is_not_null = false;
                    n->is_from_type = false;
+                   n->is_from_type = false;
+                   n->is_from_parent = false;
                    n->storage = 0;
                    n->raw_default = NULL;
                    n->cooked_default = NULL;



On Fri, Apr 28, 2017 at 6:08 AM, Amit Langote <langote_amit...@lab.ntt.co.jp
> wrote:

> On 2017/04/27 12:36, Amit Langote wrote:
> > Noticed that a crash occurs if a column is specified twice when creating
> a
> > partition:
> >
> > create table p (a int) partition by list (a);
> >
> > -- crashes
> > create table p1 partition of parent (
> >   a not null,
> >   a default 1
> > ) for values in (1);
> >
> > The logic in MergeAttributes() that merged partition column options with
> > those of the parent didn't properly check for column being specified
> twice
> > and instead tried to delete the same ColumnDef from a list twice, causing
> > the crash.
> >
> > Attached fixes that.
>
> Patch rebased, because of a conflict with b9a3ef55b2.
>
> Thanks,
> Amit
>
>
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-- 

Beena Emerson

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