|From:||Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>|
|To:||Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>|
|Cc:||Pg Hackers <pgsql-hackers(at)postgresql(dot)org>|
|Subject:||Re: partitioned tables referenced by FKs|
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Here's another rebase. The code is structured somewhat differently from
the previous one, mostly because of the backpatched bugfixes, but also
because of the changes in dependency handling.
I think there's also at least one more bugfix to backpatch (included in
0003 here), related to whether foreign tables are allowed as having FKs,
but AFAICS it just cosmetic: you get an error if you have a foreign
partition and add a FK, but it says "you cannot have constraint
triggers" rather than "FKs are not supported", so it's a bit odd.
0003 also includes Amit L's patch to remove the parentConstraint
argument from ATExecAddForeignKey, which I suppose I should commit
Odd bugs fixed: a) handle the case where the default partition is the
only one and it's being detached or dropped. b) when a partition was
dropped/detached from the referenced side, the child constraint was left
I have not yet fixed the "#if 0" section.
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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