| From: | "Hou, Zhijie" <houzj(dot)fnst(at)cn(dot)fujitsu(dot)com> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Greg Nancarrow <gregn4422(at)gmail(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, David Rowley <dgrowleyml(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)fujitsu(dot)com> |
| Subject: | RE: Determine parallel-safety of partition relations for Inserts |
| Date: | 2021-01-29 01:01:01 |
| Message-ID: | f11d023889084d0ba61566fa0ba84ae2@G08CNEXMBPEKD05.g08.fujitsu.local |
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| Lists: | pgsql-hackers |
> > Hi
> >
> > I have an issue about the parameter for DML.
> >
> > If we define the parameter as a tableoption.
> >
> > For a partitioned table, if we set the parent table's parallel_dml=on,
> > and set one of its partition parallel_dml=off, it seems we can not divide
> the plan for the separate table.
> >
> > For this case, should we just check the parent's parameter ?
> >
>
> I think so. IIUC, this means the Inserts where target table is parent table,
> those will just check the option of the parent table and then ignore the
> option value for child tables whereas we will consider childrel's option
> for Inserts where target table is one of the child table, right?
>
Yes, I think we can just check the target table itself.
Best regards,
houzj
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