On Thu, 2 Nov 2017 23:02:34 +0800
Craig Ringer wrote:
> On 2 November 2017 at 17:41, Ildus Kurbangaliev
> wrote:
>
> > In this patch compression methods is suitable for MAIN and EXTENDED
> > storages like in current implementation in postgres. Just instead
> > only of LZ4 you can specify any ot
Robert Haas writes:
> A basic problem here is that, as proposed, DROP COMPRESSION METHOD may
> break your database irretrievably. If there's no data compressed
> using the compression method you dropped, everything is cool -
> otherwise everything is broken and there's no way to recover. The
> o
> If there's no data compressed
> using the compression method you dropped, everything is cool -
> otherwise everything is broken and there's no way to recover.
> The only obvious alternative is to disallow DROP altogether (or make it
> not really DROP).
Wouldn't whatever was using the compression
On Sun, Nov 5, 2017 at 2:22 PM, Oleg Bartunov wrote:
>> IIRC there were some concerns about what happened with pg_upgrade,
>> with consuming precious toast bits, and a few other things.
>
> yes, pg_upgrade may be a problem.
A basic problem here is that, as proposed, DROP COMPRESSION METHOD may
br
On Thu, Nov 2, 2017 at 6:02 PM, Craig Ringer wrote:
> On 2 November 2017 at 17:41, Ildus Kurbangaliev
> wrote:
>
>> In this patch compression methods is suitable for MAIN and EXTENDED
>> storages like in current implementation in postgres. Just instead only
>> of LZ4 you can specify any other com
On 2 November 2017 at 17:41, Ildus Kurbangaliev
wrote:
> In this patch compression methods is suitable for MAIN and EXTENDED
> storages like in current implementation in postgres. Just instead only
> of LZ4 you can specify any other compression method.
We've had this discussion before.
Please r
On Wed, 1 Nov 2017 17:05:58 -0400
Peter Eisentraut wrote:
> On 9/12/17 10:55, Ildus Kurbangaliev wrote:
> >> The patch also includes custom compression method for tsvector
> >> which is used in tests.
> >>
> >> [1]
> >> https://www.postgresql.org/message-id/CAPpHfdsdTA5uZeq6MNXL5ZRuNx%2BSig4ykWzW
On 9/12/17 10:55, Ildus Kurbangaliev wrote:
>> The patch also includes custom compression method for tsvector which
>> is used in tests.
>>
>> [1]
>> https://www.postgresql.org/message-id/CAPpHfdsdTA5uZeq6MNXL5ZRuNx%2BSig4ykWzWEAfkC6ZKMDy6%3DQ%40mail.gmail.com
> Attached rebased version of the patc
