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-rw-r--r--lib/sqlalchemy/dialects/postgresql/base.py19
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index 7c712e8aa..a8fb4e51a 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -508,13 +508,15 @@ class PGDDLCompiler(compiler.DDLCompiler):
colspec = self.preparer.format_column(column)
type_affinity = column.type._type_affinity
if column.primary_key and \
- len(column.foreign_keys)==0 and \
- column.autoincrement and \
- issubclass(type_affinity, sqltypes.Integer) and \
+ column is column.table._autoincrement_column and \
not issubclass(type_affinity, sqltypes.SmallInteger) and \
- (column.default is None or
- (isinstance(column.default, schema.Sequence) and
- column.default.optional)):
+ (
+ column.default is None or
+ (
+ isinstance(column.default, schema.Sequence) and
+ column.default.optional
+ )
+ ):
if issubclass(type_affinity, sqltypes.BigInteger):
colspec += " BIGSERIAL"
else:
@@ -689,7 +691,7 @@ class PGExecutionContext(default.DefaultExecutionContext):
return None
def get_insert_default(self, column):
- if column.primary_key:
+ if column.primary_key and column is column.table._autoincrement_column:
if (isinstance(column.server_default, schema.DefaultClause) and
column.server_default.arg is not None):
@@ -697,8 +699,7 @@ class PGExecutionContext(default.DefaultExecutionContext):
return self._execute_scalar("select %s" %
column.server_default.arg, column.type)
- elif column is column.table._autoincrement_column \
- and (column.default is None or
+ elif (column.default is None or
(isinstance(column.default, schema.Sequence) and
column.default.optional)):