Hi, Nikita!
On Dec 04, Nikita Malyavin wrote:
>
> Another case:
> suppose you have to rows in table with periods (a (a, c),
> (c, d).
> Let us update (c,d) --> (b,d). I call it "move left".
>
> ha_index_read_map with period_start < d will return (c,d). Again check
> is_update, and call
On Wed, 4 Dec 2019 at 01:00, Nikita Malyavin
wrote:
>
>
> On Tue, 3 Dec 2019 at 23:59, Sergei Golubchik wrote:
>
>> > > > > But it can be done better. You search for the key with the same
>> > > > > value and a period start <= than the period start of new row.
>> > > > > And then you have to
Well, I've pushed that logic. Looks about 2 lines prettier
ср, 4 дек. 2019 г., 19:19 Sergei Golubchik :
> Hi, Nikita!
>
> On Dec 04, Nikita Malyavin wrote:
> >
> > Another case:
> > suppose you have to rows in table with periods (a > (a, c),
> > (c, d).
> > Let us update (c,d) --> (b,d). I call
Heh, unfortunately comparing refs will not work in conjunction with KEYREAD:
for innodb ref can be a primary key, if it has it, so index is not
clustered. The index we're evaluating can be different from a primary key.
In that case some values can be left unfetched with KEYREAD.
All that is
Hi, Nikita!
On Dec 05, Nikita Malyavin wrote:
> Heh, unfortunately comparing refs will not work in conjunction with KEYREAD:
>
> for innodb ref can be a primary key, if it has it, so index is not
> clustered. The index we're evaluating can be different from a primary key.
>
> In that case some
Hi, Julius!
Just a couple of comments, see below:
On Dec 04, Julius Goryavsky wrote:
> revision-id: 387839e44cc (mariadb-10.4.10-179-g387839e44cc)
> parent(s): 8115a02283d
> author: Julius Goryavsky
> committer: Julius Goryavsky
> timestamp: 2019-11-15 13:37:35 +0100
> message:
>
> Plugin for
Hi, Aleksey!
Just a question for now
(and a couple of style comments, I didn't look at the logic yet)
On Dec 04, Aleksey Midenkov wrote:
> revision-id: c91ec05e01b (mariadb-10.4.4-427-gc91ec05e01b)
> parent(s): e6d653b448d
> author: Aleksey Midenkov
> committer: Aleksey Midenkov
> timestamp:
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