Previously, a single run of the simplest job queue workflow (1 single
task, no db calls by user code in the task - we're just testing db
system overhead) would result in **22 db roundtrips** on drizzle. This
PR reduces it to **17 db roundtrips** by doing the following:
- Modifies db.updateJobs to use the new optimized upsertRow function if
the update is simple
- Do not unnecessarily pass the job log to the final job update when the
workflow completes => allows using the optimized upsertRow function, as
only the main table is involved
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- To see the specific tasks where the Asana app for GitHub is being
used, see below:
- https://app.asana.com/0/0/1210888186878606
