| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | amul sul <sulamul(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] Restrict concurrent update/delete with UPDATE of partition key |
| Date: | 2018-04-06 07:49:20 |
| Message-ID: | CAA4eK1JoC1rc5uoirAXpGe-GmoEynUSOTSxBKS8FatBe57m6MA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Apr 6, 2018 at 12:50 PM, amul sul <sulamul(at)gmail(dot)com> wrote:
>
> Updated patch attached.
>
+ if (ItemPointerIndicatesMovedPartitions(&hufd.ctid))
+ ereport(ERROR,
+ (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
+ errmsg("tuple to be locked was already moved to another partition
due to concurrent update")));
As suggested by Andres, I think you should change the error code to
serialization failure i.e ERRCODE_T_R_SERIALIZATION_FAILURE.
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
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