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Re: [PATCH] Proof of concept of the better-pristines (LZ4 + storing small pristines as BLOBs) (Was: Re: svn commit: r1843076)

From: Branko Čibej <brane_at_apache.org>
Date: Thu, 1 Nov 2018 16:30:02 +0100

On 22.10.2018 22:14, Evgeny Kotkov wrote:
> @@ -104,9 +103,13 @@
> CREATE TABLE PRISTINE (
> ··/*·Alternative·MD5·checksum·used·for·communicating·with·older
> ·····repositories.·Not·strictly·guaranteed·to·be·unique·among·table·rows.·*/
>
> -··md5_checksum··TEXT·NOT·NULL
> +··md5_checksum··TEXT·NOT·NULL,
> +
> +··data··BLOB
> ··);
> +/*·TODO:·While·here,·perhaps·add·`WITHOUT·ROWID`·for·the·new·schema·table?·*/
>
> +

Note that this is no longer how schema changes will work. Instead, we
create the oldest supported schema (currently 1.8) and then roll forward
to the desired format.

We could probably add WITHOUT ROWID anyway, but that will only affect
new working copies, not upgrades of existing ones.

-- Brane
Received on 2018-11-01 16:30:13 CET

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