On 06/01/15 08:51, Michael Paquier wrote:
On Tue, Dec 23, 2014 at 5:21 AM, Petr Jelinek <p...@2ndquadrant.com> wrote:
Attached is v3 which besides the fixes mentioned above also includes changes
discussed with Tomas (except the CREATE/DROP TABLESAMPLE METHOD), fixes for
crash with FETCH FIRST and is rebased against current master.
This patch needs a rebase, there is a small conflict in parallel_schedule.
Sigh, I really wish we had automation that checks this automatically for
patches in CF.
Structurally speaking, I think that the tsm methods should be added in
src/backend/utils and not src/backend/access which is more high-level
as tsm_bernoulli.c and tsm_system.c contain only a set of new
I am not sure if I parsed this correctly, do you mean to say that only
low-level access functions belong to src/backend/access? Makes sense.
procedure functions. Having a single header file tsm.h would be also a
good thing.
I was thinking about single header also, didn't find a good precedent so
went with two, but don't have problem doing one :).
Regarding the naming, is "tsm" (table sample method) really appealing?
Wouldn't it be better to use simply tablesample_* for the file names
and the method names?
Doesn't really matter to me, I just really don't want to have
tablesample_method_* there as that's way too long for my taste. I'll
think about the naming when I move it to src/backend/utils.
This is a large patch... Wouldn't sampling.[c|h] extracted from
ANALYZE live better as a refactoring patch? This would limit a bit bug
occurrences on the main patch.
That's a good idea, I'll split it into patch series.
--
Petr Jelinek http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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