Gary Chambers wrote:
> D'Arcy...
>
>> Have you considered this?
>
> I considered integrating the begin and end times into the table. I'm
> capturing the data via ACPI events, so it's "transactional" by nature.
> I want to be able to keep track of false transitions (hence the
> is_outage field).
>
> I'm looking for a way to simplify the transitions output on my web
> browser, and I want to combine an offline and a corresponding online
> time into a single line.
How about a "paired_with" field that references the power_transitions
table and a trigger. When you insert a new row, it checks what the
previous row was - if it's a down & this is an up, then set the
paired_with field on each.
-- Richard Huxton Archonet Ltd