diff options
Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/base.py')
-rw-r--r-- | lib/sqlalchemy/dialects/postgresql/base.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py index 7a898cb8a..fd258bc5a 100644 --- a/lib/sqlalchemy/dialects/postgresql/base.py +++ b/lib/sqlalchemy/dialects/postgresql/base.py @@ -68,8 +68,7 @@ The CREATE TABLE for the above :class:`_schema.Table` object would be: .. sourcecode:: sql CREATE TABLE data ( - id INTEGER GENERATED BY DEFAULT AS IDENTITY (START WITH 42 CYCLE) - NOT NULL, + id INTEGER GENERATED BY DEFAULT AS IDENTITY (START WITH 42 CYCLE), data VARCHAR, PRIMARY KEY (id) ) @@ -107,7 +106,7 @@ The CREATE TABLE for the above :class:`_schema.Table` object would be: Will generate on the backing database as:: CREATE TABLE t ( - id INT GENERATED BY DEFAULT AS IDENTITY NOT NULL, + id INT GENERATED BY DEFAULT AS IDENTITY, data VARCHAR, PRIMARY KEY (id) ) @@ -2325,8 +2324,10 @@ class PGDDLCompiler(compiler.DDLCompiler): if column.identity is not None: colspec += " " + self.process(column.identity) - if not column.nullable: + if not column.nullable and not column.identity: colspec += " NOT NULL" + elif column.nullable and column.identity: + colspec += " NULL" return colspec def visit_check_constraint(self, constraint): |