could not assemble any primary key columns for mapped table sqlalchemy

Solutions on MaxInterview for could not assemble any primary key columns for mapped table sqlalchemy by the best coders in the world

Search
showing results for - "could not assemble any primary key columns for mapped table sqlalchemy"
Francesco
22 May 2017
11. Make sure all your tables have a primary key and you set the __table__ = 'name'
22. execute the following underneath declared table models
3with Session(engine) as session:
4        Base.metadata.create_all(engine)
5        session.commit()
similar questions
how to define a non primary composite key in sqlcannot define primary key constraint on nullable column in table 27student 27 add primary key to tablesql server dynamic pivot unknown number of columnssql change primary key to composite keysqlite3 3a 3asqlexception 3a table 22categories 22 already exists 3a create table 22categories 22 28 22id 22 integer primary key autoincrement not nullcannot insert explicit value for identity column in table 27tbl increment file 27 when identity insert is set to off mysql change primary keyremove primary key from tablequery syntax exception is not mappedcreate table with primary keyreseed sql table primary keysqlstate 5bhy000 5d 3a general error 3a 3780 referencing column 27role id 27 and referenced column 27id 27 in foreign key constraint 27user role id foreign 27 are incompatible
queries leading to this page
could not assemble any primary key columns for mapped table sqlalchemycould not assemble any primary key columns for mapped table 27session 27ould not assemble any primary key columns for mapped table 27session 27could not assemble any primary key columns for mapped tablecould not assemble any primary key columns for mapped table 27ecg annontations 27could not assemble any primary key columns for mapped table sqlalchemy