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Diffstat (limited to 'django/db/backends/postgresql/schema.py')
| -rw-r--r-- | django/db/backends/postgresql/schema.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/django/db/backends/postgresql/schema.py b/django/db/backends/postgresql/schema.py index 1afb85d468..bffa8bd45b 100644 --- a/django/db/backends/postgresql/schema.py +++ b/django/db/backends/postgresql/schema.py @@ -15,6 +15,10 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor): sql_create_varchar_index = "CREATE INDEX %(name)s ON %(table)s (%(columns)s varchar_pattern_ops)%(extra)s" sql_create_text_index = "CREATE INDEX %(name)s ON %(table)s (%(columns)s text_pattern_ops)%(extra)s" + # Setting the constraint to IMMEDIATE runs any deferred checks to allow + # dropping it in the same transaction. + sql_delete_fk = "SET CONSTRAINTS %(name)s IMMEDIATE; ALTER TABLE %(table)s DROP CONSTRAINT %(name)s" + def quote_value(self, value): return psycopg2.extensions.adapt(value) |