Hi Bruce,
Thanks for doing this work again!
> Add date_bin function (John Naylor)
>
> WHAT DOES THIS DO?
Hard to describe in a one-liner, but it lines up timestamps into regular intervals as specified by the user. It is more clear after seeing examples:
https://www.postgresql.org/docs/devel/functions-datetime.html#FUNCTIONS-DATETIME-BIN> Dramatically improve Unicode normalization (John Naylor)
>
> WHAT OPERATIONS USE THIS?
PG13 added the normalize() function to normalize Unicode sequences, as well as the IS NORMALIZED syntax to test for that. The commits* here do not change behavior and only improve performance. As such, this really belongs in the performance section.
*There is one additional commit that belongs to this entry:
Author: Michael Paquier <
michael@paquier.xyz>
2020-10-11 [80f8eb79e] Use perfect hash for NFC and NFKC Unicode Normalization quick check
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