| From: | PG Bug reporting form <noreply(at)postgresql(dot)org> |
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| To: | pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Cc: | 857348270(at)qq(dot)com |
| Subject: | BUG #17606: There is still some glitch in 3f7323cbb fixing failure of MULTIEXPR_SUBLINK |
| Date: | 2022-09-05 02:38:41 |
| Message-ID: | 17606-e5c8ad18d31db96a@postgresql.org |
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| Lists: | pgsql-bugs |
The following bug has been logged on the website:
Bug reference: 17606
Logged by: Andre Lin
Email address: 857348270(at)qq(dot)com
PostgreSQL version: 13.8
Operating system: Linux x86_64 GNU/Linux
Description:
3f7323cbb regenerates its Param for each SubPlan by traversing the
targetlist. But ignore one point: initplan is not in targetlist.
This will result in a failed assertion, or an error like "unexpected
PARAM_MULTIEXPR ID: 131074"
reproduce it is simple, change the regress sql in inherit.sql to
explain (verbose, costs off)
update inhpar set (f1, f2[1]) = (select 1, '1' from int4_tbl limit 1)
from onek p2 where inhpar.f1 = p2.unique1;
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