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A comment on Ten years of improvements in PostgreSQL's optimizer. Parent comment

Re:Ten years of improvements in PostgreSQL's optimizer by ioltas on Wednesday April 17, 2024 @05:13AM (#40062205)
The bar to merge a patch that would break on-disk format is so high that it’s really impossible to reach it ;)

More seriously, we care a lot about the format of the 8k pages to ease upgrade paths as much as possible.

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