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Subject: [bug#27876] [PATCH v2 1/3] cuirass: Store new information in database
	to prepare new HTTP API integration.
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> With an autoincremented index, I suppose we might want to make sure that
> ‘db-add-build’ does not add a new entry for a build that’s already in
> the table.  WDYT?

Yes we might, but looking for a build with the same
derivation-evaluation-outputs before each build insertion will be an
expensive operation (now that this tuple is no longer the primary key).

Mathieu