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Re: Multiple queries in transit

From: Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Mark Hills <Mark(dot)Hills(at)framestore(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Multiple queries in transit
Date: 2011-10-31 21:42:47
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Lists: pgsql-hackers
Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> writes:
> I think a common use for this would be doing multiple inserts or updates on
> one go. Like, insert into a parent table, then more details into child
> tables. You don't care about getting the results back in that case, as long
> as you get an error on failure.

As of 9.1 you can use WITH to achieve that in many cases.
wCTE and INSERT|UPDATE|DELETE … RETURNING are pretty cool combined :)

Dimitri Fontaine     PostgreSQL : Expertise, Formation et Support

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