On Mon, 2021-09-20 at 22:19 -0400, Jonathan S. Katz wrote: > The [extended systems](https://www.postgresql.org/docs/14/planner-stats.html#PLANNER-STATS-EXTENDED) > includes many improvements in PostgreSQL 14, including the ability to apply > extend statistics on expressions. Additionally, > [window functions](https://www.postgresql.org/docs/14/functions-window.html) can > now benefit from incremental sorts, a feature that was introduced in > [PostgreSQL 13](https://www.postgresql.org/about/news/postgresql-13-released-2077/). "The extended systems" sounds weird to me, and the link points to extended statistics. Did you mean to say "Extended statistics include many ..."? But then the repetition jars. Perhaps: [Extended statistics](https://www.postgresql.org/docs/14/planner-stats.html#PLANNER-STATS-EXTENDED) can be used for expressions in PostgreSQL v14. Additionally, [window functions](https://www.postgresql.org/docs/14/functions-window.html) can now benefit from incremental sorts, a feature that was introduced in [PostgreSQL 13](https://www.postgresql.org/about/news/postgresql-13-released-2077/). Yours, Laurenz Albe
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