diff options
Diffstat (limited to 'docs/ref')
| -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`` ------------------------ |