| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Emmanuel Cecchet <manu(at)asterdata(dot)com>, Emmanuel Cecchet <Emmanuel(dot)Cecchet(at)asterdata(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: COPY enhancements |
| Date: | 2009-10-09 13:37:34 |
| Message-ID: | 6859.1255095454@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> On Thu, 2009-10-08 at 12:21 -0400, Tom Lane wrote:
>> So really we have to find some way to only expend one XID per failure,
>> not one per row.
> I discovered a few days back that ~550 subtransactions is sufficient to
> blow max_stack_depth. 1 subtransaction per error doesn't allow many
> errors.
I assume you are talking about 550 nested levels, not 550 sequential
subtransactions, so that doesn't seem particularly relevant.
regards, tom lane
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