$ superset db upgrade ... Traceback (most recent call last): File "/home/jhadmin/.pyenv/versions/myenv-3.7.2/bin/superset", line 15, in <module> cli() File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/click/[core.py](core.py)", line 722, in __call__ return self.main(*args, **kwargs) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/flask/[cli.py](cli.py)", line 380, in main return AppGroup.main(self, *args, **kwargs) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/click/[core.py](core.py)", line 697, in main rv = self.invoke(ctx) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/click/[core.py](core.py)", line 1066, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/click/[core.py](core.py)", line 1066, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/click/[core.py](core.py)", line 895, in invoke return ctx.invoke(self.callback, **ctx.params) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/click/[core.py](core.py)", line 535, in invoke return callback(*args, **kwargs) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/click/[decorators.py](decorators.py)", line 17, in new_func return f(get_current_context(), *args, **kwargs) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/flask/[cli.py](cli.py)", line 257, in decorator return __ctx.invoke(f, *args, **kwargs) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/click/[core.py](core.py)", line 535, in invoke return callback(*args, **kwargs) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/flask_migrate/[cli.py](cli.py)", line 134, in upgrade _upgrade(directory, revision, sql, tag, x_arg) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/flask_migrate/__[init__.py](init__.py)", line 95, in wrapped f(*args, **kwargs) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/flask_migrate/__[init__.py](init__.py)", line 280, in upgrade command.upgrade(config, revision, sql=sql, tag=tag) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/alembic/[command.py](command.py)", line 276, in upgrade script.run_env() File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/alembic/script/[base.py](base.py)", line 475, in run_env util.load_python_file(self.dir, "[env.py](env.py)") File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/alembic/util/[pyfiles.py](pyfiles.py)", line 90, in load_python_file module = load_module_py(module_id, path) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/alembic/util/[compat.py](compat.py)", line 156, 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 "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/superset/migrations/[env.py](env.py)", line 100, in <module> run_migrations_online() File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/superset/migrations/[env.py](env.py)", line 93, in run_migrations_online context.run_migrations() File "<string>", line 8, in run_migrations File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/alembic/runtime/[environment.py](environment.py)", line 839, in run_migrations self.get_context().run_migrations(**kw) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/alembic/runtime/[migration.py](migration.py)", line 361, in run_migrations step.migration_fn(**kw) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/superset/migrations/versions/[4451805bbaa1_remove_double_percents.py](4451805bbaa1_remove_double_percents.py)", line 82, in upgrade replace('%%', '%') File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/superset/migrations/versions/[4451805bbaa1_remove_double_percents.py](4451805bbaa1_remove_double_percents.py)", line 53, in replace .join(Table) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/sqlalchemy/orm/[query.py](query.py)", line 2235, in join from_joinpoint=from_joinpoint, File "<string>", line 2, in _join File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/sqlalchemy/orm/[base.py](base.py)", line 220, in generate fn(self, *args[1:], **kw) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/sqlalchemy/orm/[query.py](query.py)", line 2414, in _join left, right, onclause, prop, create_aliases, outerjoin, full File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/sqlalchemy/orm/[query.py](query.py)", line 2437, in _join_left_to_right ) = self._join_determine_implicit_left_side(left, right, onclause) File "/home/jhadmin/.pyenv/versions/3.7.2/envs/myenv-3.7.2/lib/python3.7/site-packages/sqlalchemy/orm/[query.py](query.py)", line 2568, in _join_determine_implicit_left_side "Can't determine which FROM clause to join " sqlalchemy.exc.InvalidRequestError: Can't determine which FROM clause to join from, there are multiple FROMS which can join to this entity. Try adding an explicit ON clause to help resolve the ambiguity.
问题原因
这是 SQLAlchemy 库版本太高导致的，需要安装低版本的 SQLAlchemy 库。
解决办法
# 查看当前 SQLAlchemy 版本 $ pip list | grep -i sqlalchemy Flask-SQLAlchemy 2.3.2 SQLAlchemy 1.3.2 SQLAlchemy-Utils 0.33.11 # 安装低版本 SQLAlchemy $ pip install SQLAlchemy==1.2.18