Re: INSERT ... ON CONFLICT doesn't work

On Wed, Dec 1, 2021 at 12:59 PM David G. Johnston <
david(dot)g(dot)johnston(at)gmail(dot)com> wrote:

> On Wed, Dec 1, 2021 at 12:52 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
>> It's also possible to qualify the name in the ON CONFLICT clause,
>> although I think you have to parenthesize it to do so:
>>
>> ... ON CONFLICT (("Lockers"."Uuid"))
>>
>>
> This really needs to be confirmed and, if so, better documented on the
> INSERT page, since adding a schema to the index_column_name does not
> intuitively turn it into an index_expression which is what the syntax
> diagram says requires an extra pair of parentheses.
>
>
That of course should be adding a table qualifier to the column, not a
schema qualifier. I get why INSERT doesn't really care, the source table
is never in question in SQL-land, but as we see here there is a valid need
for it in plpgsql.

David J.