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| author | David Rowley <drowley@postgresql.org> | 2023-04-20 23:52:36 +1200 |
|---|---|---|
| committer | David Rowley <drowley@postgresql.org> | 2023-04-20 23:52:36 +1200 |
| commit | 94d73f9abdf13e6dd93d96d0e4b197479c8756de (patch) | |
| tree | 2a0a70ec6e471daf3c6d57ccd145f87588b246f1 /src | |
| parent | 62b22caa5531da8f6498f09f15ac0f09c95b1459 (diff) | |
| download | postgresql-94d73f9abdf13e6dd93d96d0e4b197479c8756de.tar.gz postgresql-94d73f9abdf13e6dd93d96d0e4b197479c8756de.zip | |
Doc: clarify NULLS NOT DISTINCT use in unique indexes
indexes-unique.html mentioned nothing about the availability of NULLS NOT
DISTINCT to modify the NULLs-are-not-equal behavior of unique indexes.
Add this to the synopsis and clarify what it does regarding NULLs.
Author: David Gilman, David Rowley
Reviewed-by: Corey Huinker
Discussion: https://postgr.es/m/CALBH9DDr3NLqzWop1z5uZE-M5G_GYUuAeHFHQeyzFbNd8W0d=Q@mail.gmail.com
Backpatch-through: 15, where NULLS NOT DISTINCT was added
Diffstat (limited to 'src')
0 files changed, 0 insertions, 0 deletions