Hi. I want to have two Table definitions in one MetaData which are the same except the name of the second one has "SND_" prefix. To avoid duplication of schema definition I looked at Table.tometadata() source and created the following function:
def _cloneToSND(table, metadata): return Table('SND_' + table.name, metadata, *([c.copy() for c in table.columns] + \ [c.copy() for c in table.constraints])) But calling metadata.create_all() ends with error: metadata.create_all(e) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/schema.py", line 1582, in create_all bind.create(self, checkfirst=checkfirst, tables=tables) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/engine/base.py", line 1139, in create self._run_visitor(self.dialect.schemagenerator, entity, connection=connection, **kwargs) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/engine/base.py", line 1168, in _run_visitor visitorcallable(self.dialect, conn, **kwargs).traverse(element) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/sql/visitors.py", line 75, in traverse return self._non_cloned_traversal(obj) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/sql/visitors.py", line 134, in _non_cloned_traversal self.traverse_single(target) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/sql/visitors.py", line 35, in traverse_single return meth(obj, **kwargs) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/sql/compiler.py", line 756, in visit_metadata collection = [t for t in metadata.table_iterator(reverse=False, tables=self.tables) if (not self.checkfirst or not self.dialect.has_table(self.connection, t.name, schema=t.schema))] File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/schema.py", line 1456, in table_iterator return iter(sort_tables(tables, reverse=reverse)) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/sql/util.py", line 21, in sort_tables vis.traverse(table) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/sql/visitors.py", line 75, in traverse return self._non_cloned_traversal(obj) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/sql/visitors.py", line 134, in _non_cloned_traversal self.traverse_single(target) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/sql/visitors.py", line 35, in traverse_single return meth(obj, **kwargs) File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/sql/util.py", line 15, in visit_foreign_key parent_table = fkey.column.table File "/usr/share/python2.5/site-packages/SQLAlchemy-0.4.6dev_r4841- py2.5.egg/sqlalchemy/schema.py", line 788, in column "foreign key" % tname) sqlalchemy.exceptions.NoReferencedTableError: Could not find table 'ObjectType' with which to generate a foreign key The first table (without SND_ prefix) was created successfully. Any ideas how to achieve my goal? Regards, Artur --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---