Re: flask db migrate error

Hi,

On Wed, Jan 22, 2020 at 9:06 PM Radoslaw Garbacz <
radoslaw(dot)garbacz(at)xtremedatainc(dot)com> wrote:

> Hi,
>
> As this is my first post I'd like to thank you for your work on this
> project.
> Originally I posted this following question to pgsql-gui-dev and was
> advised to repost here.
>
> I have a question regarding modifying configuration db model for pgadmin4:
> When trying to create a new migration file I get an error:
> sqlalchemy.exc.NoSuchTableError: user_old
>
> You can get the proper steps for the database migration from the README
file with the "Create Database Migrations" section. (file location:
<pgAdmin Source Directory>/README).

Thanks,
Khushboo

The command used: FLASK_APP=pgAdmin4.py flask db migrate -m "Add data
> groups"
> The db is initialized with: python setup.py, I also tried:
> FLASK_APP=pgAdmin4.py flask db init
>
> When commenting out (just for tests) content of
> "web/migrations/versions/35f29b1701bd_.py" I get a similar error but with
> "server_old".
> So my question is what is the correct procedure to modify configuration db
> or how to solve the mentioned issue?
>
> Thanks in advance,
>
> DETAILS:
>
> * pgadmin4 version: cloned from master with latest commit on Jan 13, 2020
>
> * Changes in "model/__init__.py":
> SCHEMA_VERSION = 25
> ...
> class DataGroup(db.Model):
> """Define a data group for the treeview"""
> __tablename__ = 'datagroup'
> id = db.Column(db.Integer, primary_key=True)
> user_id = db.Column(db.Integer, db.ForeignKey('user.id'),
> nullable=False)
>
> name = db.Column(db.String(128), nullable=False)
> __table_args__ = (db.UniqueConstraint('user_id', 'name'),)
>
>
> * migrate command exception details:
> ...
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/util/compat.py",
> line 173, in load_module_py
> spec.loader.exec_module(module)
> File "<frozen importlib._bootstrap_external>", line 728, in exec_module
> File "<frozen importlib._bootstrap>", line 219, in
> _call_with_frames_removed
> File "migrations/env.py", line 94, in <module>
> run_migrations_online()
> File "migrations/env.py", line 87, in run_migrations_online
> context.run_migrations()
> File "<string>", line 8, in run_migrations
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/runtime/environment.py",
> line 846, in run_migrations
> self.get_context().run_migrations(**kw)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/runtime/migration.py",
> line 507, in run_migrations
> for step in self._migrations_fn(heads, self):
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/command.py",
> line 190, in retrieve_migrations
> revision_context.run_autogenerate(rev, context)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/autogenerate/api.py",
> line 442, in run_autogenerate
> self._run_environment(rev, migration_context, True)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/autogenerate/api.py",
> line 482, in _run_environment
> autogen_context, migration_script
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/autogenerate/compare.py",
> line 25, in _populate_migration_script
> _produce_net_changes(autogen_context, upgrade_ops)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/autogenerate/compare.py",
> line 51, in _produce_net_changes
> autogen_context, upgrade_ops, schemas
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/util/langhelpers.py",
> line 303, in go
> fn(*arg, **kw)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/autogenerate/compare.py",
> line 83, in _autogen_for_tables
> autogen_context,
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/alembic/autogenerate/compare.py",
> line 195, in _compare_tables
> inspector.reflecttable(t, None)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/engine/reflection.py",
> line 669, in reflecttable
> reflection_options,
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/engine/reflection.py",
> line 848, in _reflect_fk
> **reflection_options
> File "<string>", line 2, in __new__
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/util/deprecations.py",
> line 128, in warned
> return fn(*args, **kwargs)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/sql/schema.py",
> line 506, in __new__
> metadata._remove_table(name, schema)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/util/langhelpers.py",
> line 68, in __exit__
> compat.reraise(exc_type, exc_value, exc_tb)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/util/compat.py",
> line 153, in reraise
> raise value
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/sql/schema.py",
> line 501, in __new__
> table._init(name, metadata, *args, **kw)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/sql/schema.py",
> line 595, in _init
> resolve_fks=resolve_fks,
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/sql/schema.py",
> line 619, in _autoload
> _extend_on=_extend_on,
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/engine/base.py",
> line 1615, in run_callable
> return callable_(self, *args, **kwargs)
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/engine/default.py",
> line 460, in reflecttable
> table, include_columns, exclude_columns, resolve_fks, **opts
> File
> "/home/rga/.virtualenvs/pgadmin4/lib/python3.7/site-packages/sqlalchemy/engine/reflection.py",
> line 655, in reflecttable
> raise exc.NoSuchTableError(table.name)
> sqlalchemy.exc.NoSuchTableError: user_old
>
>
> --
> Best Regards,
>
> Radoslaw Garbacz
> XtremeData Incorporated
>