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authormike bayer <mike_mp@zzzcomputing.com>2021-03-07 16:30:34 +0000
committerGerrit Code Review <gerrit@ci3.zzzcomputing.com>2021-03-07 16:30:34 +0000
commit1edbe841bcb43d761f5084a2e77e8f37ee041c35 (patch)
tree0bf6d20235d6c02197ffac42452177fe376e1570 /lib/sqlalchemy/sql/compiler.py
parentb42f746b027c603a1ac03c30b81badf2bd0a4ab7 (diff)
parent506b88de5e428fd4ad2feff663ba53e2dbb28891 (diff)
downloadsqlalchemy-1edbe841bcb43d761f5084a2e77e8f37ee041c35.tar.gz
Merge "Fix named CHECK constraint name omitted on repeated creates"
Diffstat (limited to 'lib/sqlalchemy/sql/compiler.py')
-rw-r--r--lib/sqlalchemy/sql/compiler.py7
1 files changed, 2 insertions, 5 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py
index f635c1ee4..8f046a802 100644
--- a/lib/sqlalchemy/sql/compiler.py
+++ b/lib/sqlalchemy/sql/compiler.py
@@ -4882,16 +4882,13 @@ class IdentifierPreparer(object):
def format_constraint(self, constraint, _alembic_quote=True):
naming = util.preloaded.sql_naming
- if isinstance(constraint.name, elements._defer_name):
+ if constraint.name is elements._NONE_NAME:
name = naming._constraint_name_for_table(
constraint, constraint.table
)
if name is None:
- if isinstance(constraint.name, elements._defer_none_name):
- return None
- else:
- name = constraint.name
+ return None
else:
name = constraint.name