Alvaro Herrera <> writes:
> Tom Lane wrote:
>> What we need is a unique index on pg_constraint.
>> The problem with that is that pg_constraint contains both table-related
>> and type (domain) related constraints; but it strikes me that we could
>> probably create a unique index on (conrelid, contypid, conname).

> Weren't you proposing elsewhere to split pg_constraint in two catalogs,
> one for table constraint and another for domain constraints?  That seems
> a cleaner solution to me.

Yeah, and you'll notice how much progress we've made towards that.

                        regards, tom lane

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