xiamicpp opened a new issue, #19609:
URL: https://github.com/apache/superset/issues/19609
A clear and concise description of what the bug is.
`2022-04-08 08:00:45,691:ERROR:superset.views.base:Can't generate DDL for
NullType(); did you forget to specify a type on this Column?
Traceback (most recent call last):
File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 1516, in
full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python3.8/site-packages/flask/app.py", line 1502, in
dispatch_request
return
self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
File
"/usr/local/lib/python3.8/site-packages/flask_appbuilder/security/decorators.py",
line 133, in wraps
return f(self, *args, **kwargs)
File "/app/superset/utils/log.py", line 245, in wrapper
value = f(*args, **kwargs)
File "/app/superset/views/core.py", line 2121, in sqllab_viz
db.session.commit()
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/scoping.py",
line 163, in do
return getattr(self.registry(), name)(*args, **kwargs)
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/session.py",
line 1046, in commit
self.transaction.commit()
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/session.py",
line 504, in commit
self._prepare_impl()
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/session.py",
line 483, in _prepare_impl
self.session.flush()
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/session.py",
line 2540, in flush
self._flush(objects)
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/session.py",
line 2682, in _flush
transaction.rollback(_capture_exception=True)
File
"/usr/local/lib/python3.8/site-packages/sqlalchemy/util/langhelpers.py", line
68, in __exit__
compat.raise_(
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/util/compat.py",
line 182, in raise_
raise exception
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/session.py",
line 2642, in _flush
flush_context.execute()
File
"/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/unitofwork.py", line
422, in execute
rec.execute(self)
File
"/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/unitofwork.py", line
586, in execute
persistence.save_obj(
File
"/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/persistence.py", line
248, in save_obj
_finalize_insert_update_commands(
File
"/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/persistence.py", line
1432, in _finalize_insert_update_commands
mapper.dispatch.after_insert(mapper, connection, state)
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/event/attr.py",
line 322, in __call__
fn(*args, **kw)
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/orm/events.py",
line 731, in wrap
fn(*arg, **kw)
File "/app/superset/connectors/sqla/models.py", line 2021, in after_insert
SqlaTable.write_shadow_dataset(target, database, session)
File "/app/superset/connectors/sqla/models.py", line 2375, in
write_shadow_dataset
tables = load_or_create_tables(
File "/app/superset/connectors/sqla/utils.py", line 229, in
load_or_create_tables
columns = [
File "/app/superset/connectors/sqla/utils.py", line 232, in <listcomp>
type=str(column["type"]),
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/sql/type_api.py",
line 623, in __str__
return str(self.compile())
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/sql/type_api.py",
line 606, in compile
return dialect.type_compiler.process(self)
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/sql/compiler.py",
line 402, in process
return type_._compiler_dispatch(self, **kw)
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/sql/visitors.py",
line 96, in _compiler_dispatch
return meth(self, **kw)
File "/usr/local/lib/python3.8/site-packages/sqlalchemy/sql/compiler.py",
line 3478, in visit_null
raise exc.CompileError(
sqlalchemy.exc.CompileError: Can't generate DDL for NullType(); did you
forget to specify a type on this Column?`
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