| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Dmitry Dolgov <9erthalion6(at)gmail(dot)com> |
| Cc: | "Poot, Bas (B(dot)J(dot))" <bas(dot)poot(at)politie(dot)nl>, "pgsql-bugs(at)lists(dot)postgresql(dot)org" <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: XX000: unknown type of jsonb container. |
| Date: | 2021-05-31 00:59:28 |
| Message-ID: | 2491424.1622422768@sss.pgh.pa.us |
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| Lists: | pgsql-bugs |
I wrote:
> I'm not sure about creating a test case. The case reported here is
> far too expensive to use in the regression tests.
Ah, we can do it in select_parallel, which reduces all the parallel
costs to zero to favor these sorts of plans.
This test case only fails back to v13, as does the original example.
I suspect we should back-patch the code change further though,
since create_projection_plan will be just as confused by such cases
in earlier branches.
regards, tom lane
| Attachment | Content-Type | Size |
|---|---|---|
| remove-redundant-ProjectionPath-2.patch | text/x-diff | 3.3 KB |
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