On Wed, 20 Feb 2019 at 18:51, Robert Haas <robertmh...@gmail.com> wrote:

I don't buy Simon's argument that we should treat TABLESPACE
> differently because the tables might be really big and take a long
> time to move.  I agree that this could well be true, but nobody is
> proposing to remove the ability to move tables individually or to use
> ONLY here.  Allowing TABLESPACE to recurse just gives people one
> additional choice that they don't have today: to move everything at
> once. We don't lose any functionality by enabling that.
>

Doing that would add the single largest footgun in Postgres, given that
command's current behavior and the size of partitioned tables.

If it moved partitions concurrently I'd feel differently.

-- 
Simon Riggs                http://www.2ndQuadrant.com/
<http://www.2ndquadrant.com/>
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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