Emil Iggland writes:
> The query that is giving us issues is the following, channel 752433 has
> NO values, 752431 has values.
> (Channel 752433 only has valueseries 752434)
> select * from datavalue
> where dataview in ( select id from valueseries where channel =
> %channel_idx%)
> ORDER BY VA
Dear mailing list
We are investigating a strange performance issue with our database.
Our use case is a sensor reading database where we have sensor location
(called channels), parameter settings (called valueseries) and reading
(called datavalues). Datavalues is partitioned per month.
Like t