That is actually a very good idea. We never considered using a UNION here.
Would H2 be able to use a different index for multiple queries inside a
single UNION? I was under the impression H2 always uses one index for a
query but that may no longer be the case. If that is true this could
Unfortunately we are talking about a production situation and using a
h2-version that is not officially released (for whatever that means) is
something we are not allowed to do. I would be very eager to check what
happens with any new upcoming release.
A join would naturally work but I would
On 4/26/2023 11:03 AM, Silvio wrote:
We have some heavy queries that involve selecting records from a base cached table A (~100K records) that satisfy a
quite a number of conditions expressed as
A.PK [NOT] IN (...)
You could also express those as
A.PK NOT IN ( SubNotCondition1 UNION
Greetings.
As far as I understand it, Evgenji just committed a change regarding
index use in `IN()` clause.
Maybe try the very lastest GIT Master first.
Also I wonder, why you would not use a JOIN instead of a IN() when you
have a list of FK_A from C:
select *
from a
inner join c
on a.pk =
