On 2017/04/22 3:40, buschmann@nidsa.net wrote:
> The following bug has been logged on the website:
>
> Bug reference: 14629
> Logged by: Hans Buschmann
> Email address: buschmann@nidsa.net
> PostgreSQL version: 9.6.2
> Operating system: Windows x64
> Description:
>
>
> Given these both tables (orders_archiv inherits orders) on 9.6.2 Windows
> x64
> (cut/paste from psql)
>
> xxxdb=# \d orders_archiv;
> ...
> Check constraints:
> "ck_or_old" CHECK (or_season < 24) NO INHERIT
> Inherits: orders
>
>
> xxxdb=# \d orders
> ...
> Check constraints:
> "ck_or_new" CHECK (or_season >= 24) NO INHERIT NOT VALID
> Triggers:
> tr_orders_insert BEFORE INSERT ON orders FOR EACH ROW WHEN
> (new.or_season < 24) EXECUTE PROCEDURE fn_orders_insert()
> Number of child tables: 1 (Use \d+ to list them.)
>
>
> When applying these commands to the parent table, the following errors are
> returned:
>
> xxxdb=# alter table orders validate constraint ck_or_new;
> ERROR: constraint "ck_or_new" of relation "orders_archiv" does not exist
>
>
> xxxdb=# alter table only orders validate constraint ck_or_new;
> ERROR: constraint must be validated on child tables too
>
> Background:
> From our original partitioning of quite a lot of tables according to
> xx_season columns (a season is a half year period) I dropped and recreated
> the check constraintsin a not valid state.
>
> At the end of the script to move the data from 2 seasons into the archiv
> tables I tried to reenable the check constraints and encountered those two
> errors.
>
> It seems that I can circumvent these errors by recreating the constraints
> without the not valid clause.
>
> Do I miss something here ?
Looks indeed like a bug to me. Performing VALIDATE CONSTRAINT on what is
a non-inheritable constraint shouldn't look for that constraint in the
child tables. Attached patch fixes that. Should be applied in all of the
supported branches.
Thanks,
Amit
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