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| author | Mariusz Felisiak <felisiak.mariusz@gmail.com> | 2025-10-18 15:03:50 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-10-18 15:03:50 +0200 |
| commit | 0c487aa3a7b2417481bf48c1e5355c855873e210 (patch) | |
| tree | 33b92a3bdf11f66d0f67fe4b4338084c7028c709 /django/db/backends/base/operations.py | |
| parent | b1e0262c9f9d11eae6230b51c5aa5d71122d5f05 (diff) | |
Fixed #21961 -- Added support for database-level delete options for ForeignKey.
Thanks Simon Charette for pair programming.
Co-authored-by: Nick Stefan <NickStefan12@gmail.com>
Co-authored-by: Akash Kumar Sen <71623442+Akash-Kumar-Sen@users.noreply.github.com>
Co-authored-by: Simon Charette <charette.s@gmail.com>
Diffstat (limited to 'django/db/backends/base/operations.py')
| -rw-r--r-- | django/db/backends/base/operations.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/django/db/backends/base/operations.py b/django/db/backends/base/operations.py index 9822a7fbb1..e345701438 100644 --- a/django/db/backends/base/operations.py +++ b/django/db/backends/base/operations.py @@ -254,6 +254,16 @@ class BaseDatabaseOperations: if sql ) + def fk_on_delete_sql(self, operation): + """ + Return the SQL to make an ON DELETE statement. + """ + if operation in ["CASCADE", "SET NULL", "SET DEFAULT"]: + return f" ON DELETE {operation}" + if operation == "": + return "" + raise NotImplementedError(f"ON DELETE {operation} is not supported.") + def bulk_insert_sql(self, fields, placeholder_rows): placeholder_rows_sql = (", ".join(row) for row in placeholder_rows) values_sql = ", ".join([f"({sql})" for sql in placeholder_rows_sql]) |