diff options
Diffstat (limited to 'lib/sqlalchemy/schema.py')
| -rw-r--r-- | lib/sqlalchemy/schema.py | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/lib/sqlalchemy/schema.py b/lib/sqlalchemy/schema.py index e61f17d8e..fc5dd33df 100644 --- a/lib/sqlalchemy/schema.py +++ b/lib/sqlalchemy/schema.py @@ -478,7 +478,28 @@ class Table(SchemaItem, expression.TableClause): args.append(c.copy(schema=schema)) for c in self.constraints: args.append(c.copy(schema=schema)) - return Table(self.name, metadata, schema=schema, *args, **self.kwargs) + table = Table( + self.name, metadata, schema=schema, + *args, **self.kwargs + ) + copied_already = set() + for i in table.indexes: + entry = [i.name,i.unique] + entry.extend(sorted(i.kwargs.items())) + entry.extend(i.columns.keys()) + copied_already.add(tuple(entry)) + for i in self.indexes: + cols = i.columns.keys() + entry = [i.name,i.unique] + entry.extend(sorted(i.kwargs.items())) + entry.extend(cols) + if tuple(entry) not in copied_already: + kwargs = dict(i.kwargs) + kwargs['unique']=i.unique + Index(i.name, + *[getattr(table.c,col) for col in cols], + **kwargs) + return table class Column(SchemaItem, expression.ColumnClause): """Represents a column in a database table.""" |