On 2018-Sep-02, Tom Lane wrote:
> This also points up the lack of a suitable unique index on pg_constraint.
> It's sort of difficult to figure out what that should look like given that
> pg_constraint contains two quasi-independent collections of constraints,
> but maybe UNIQUE(conrelid,contypid,conname) would serve given the
> reasonable assumption that exactly one of conrelid and contypid is zero.
Hmm ... c.f. 7eca575d1c28. Maybe we should split them out? Are there
reasons to have them together at all?
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Álvaro Herrera https://www.2ndQuadrant.com/
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