Just to flag this behaviour changes in v12: https://www.depesz.com/2019/02/19/wa... | Hacker News

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		timwis on Feb 1, 2023 \| parent \| context \| favorite \| on: Ask HN: How do you test SQL? Just to flag this behaviour changes in v12: https://www.depesz.com/2019/02/19/waiting-for-postgresql-12-...

srcreigh on Feb 1, 2023 [–]

Not really. CTEs are still optimization barriers after v12 if they're referenced more than once. That blog post is confused, but the commit message in the post is clear enough.

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