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| author | jordanbae <jordan.bae@jordanbaeui-MacBookPro.local> | 2024-01-09 23:04:31 +0900 |
|---|---|---|
| committer | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2024-01-15 14:16:12 +0100 |
| commit | dd2d76803c040a03342db1caa2b77747b4426549 (patch) | |
| tree | 0306c3da72cc81881404be6d63d7585768968c6d /docs | |
| parent | d56b2105b6247d0d7816660d24adaf5b603e2a07 (diff) | |
[5.0.x] Fixed #34949 -- Clarified when UniqueConstraints with include/nulls_distinct are not created.
Backport of 4fec1d2ce37241fb8fa001971c441d360ed2a196 from main
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/ref/models/constraints.txt | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/ref/models/constraints.txt b/docs/ref/models/constraints.txt index efe63a8ac1..cc308cedf2 100644 --- a/docs/ref/models/constraints.txt +++ b/docs/ref/models/constraints.txt @@ -229,7 +229,8 @@ For example:: will allow filtering on ``room`` and ``date``, also selecting ``full_name``, while fetching data only from the index. -``include`` is supported only on PostgreSQL. +Unique constraints with non-key columns are ignored for databases besides +PostgreSQL. Non-key columns have the same database restrictions as :attr:`Index.include`. @@ -272,7 +273,8 @@ For example:: creates a unique constraint that only allows one row to store a ``NULL`` value in the ``ordering`` column. -``nulls_distinct`` is ignored for databases besides PostgreSQL 15+. +Unique constraints with ``nulls_distinct`` are ignored for databases besides +PostgreSQL 15+. ``violation_error_code`` ------------------------ |