On Thu, Nov 3, 2016 at 11:37 PM, Corey Huinker <corey.huin...@gmail.com> wrote:
>> ALTER TABLE my_table
>> DISABLE INDEX ALL;
> This very thing came up in a conversation with PeterG early last year. I was
> in favor then and I was surprised that the only thing standing in the way
> was a lack of ALTER TABLE syntax.
> Creating temporary data structures to mimic existing metadata structures is
> a pain.
As long as the exclusive lock is kept until the end of the transaction
that would make it. I got scared when reading $subject that you were
going to propose a ENABLE ALL. This command should be a no-opt outside
a transaction block though.
>> It'd be even better to also add a REINDEX flag to COPY, where it
>> disables indexes and re-creates them after it finishes. But that could
>> be done separately.
> I'm iffy on the COPY change. If we add index rebuilding, why not disabling
> as well? If the COPY fails, what state do we leave the indexes in?
Yeah, I am -1 on that. Leaving the indexes in an unclean state would
force the users to REINDEX anyway afterwards.
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