Check DOMAINs. They are derived data types that take a base type and add, option... | Hacker News

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		ahachete on Jan 29, 2023 \| parent \| context \| favorite \| on: Features I'd Like in PostgreSQL Check DOMAINs. They are derived data types that take a base type and add, optionally, one or more CHECK constraints to them. They are not perfect, but probably something close to what you are looking for.

moralestapia on Jan 29, 2023 [–]

Thanks for this (!), I didn't know PG had support for data domains, wow.

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