Iirc AWS explicitly calls out they still use upstream Postgres query engine and ... | Hacker News

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		nijave 11 months ago \| parent \| context \| favorite \| on: A major Postgres upgrade with zero downtime Iirc AWS explicitly calls out they still use upstream Postgres query engine and some other parts. It very much _is_ Postgres but not 100% pure upstream Postgres.

SahAssar 11 months ago [–]

Yep, for example that is how they advertise protocol, feature and language compatibility.

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