Re: [HACKERS] pg_dump vs data-only dumps vs --disable-triggers

On Thu, 2008-07-24 at 19:11 -0400, Tom Lane wrote:
> There's some fairly squirrely logic in pg_dump/pg_restore that tries to
> detect whether it's doing a data-only operation, ie, no schema
> information is to be dumped or restored. The reason it wants to
> know this is to decide whether to enable the --disable-triggers
> code. However, since --disable-triggers is off by default and has
> to be manually requested, I'm not sure why we've got all this extra
> complexity in there. (Actually, I'm sure the reason is that that
> code predates the existence of the --disable-triggers switch, but
> anyway...)
>
> Simon's patch to split up --schema-only into two switches has broken
> this logic, but I'm inclined to just rip it out rather than trying
> to fix it. If the user says --disable-triggers, he should get
> trigger disable commands around the data part of the dump, no matter
> what he said or didn't say about schema dumping.

Agreed. Thanks for the clear thinking.

--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support

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