The statements that are executed as a single statement make no such check (and the database engine correctly translates a string to integer), but cursor.executemany checks type:
lib/sqlalchemy/engine/default.py", line 327, in do_executemany cursor.executemany(statement, parameters) TypeError: expecting numeric data You know that inconsistency? -- 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 sqlalchemy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en.