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  • Superset安装出错 sqlalchemy.exc.InvalidRequestError: Can't determine which FROM clause to join from, ...

    $ 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
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  • 原文地址:https://www.cnblogs.com/dancesir/p/10973453.html
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