Closed
Description
Migrated issue, originally created by Jimmy Thrasibule (@spack)
Using MSSQL Express 2017 and pymssql, a TypeError is raised during schema upgrade when creating an index.
alembic==1.0.2
pymssql==2.1.4
def upgrade():
op.create_table('table',
[...]
sa.Column('col', sa.Unicode(length=13), nullable=False),
[...]
)
op.create_index(op.f('ix_table_col'), 'col', ['col'], unique=FalseTraceback (most recent call last):
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/bin/inv", line 11, in <module>
sys.exit(program.run())
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/invoke/program.py", line 363, in run
self.execute()
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/invoke/program.py", line 532, in execute
executor.execute(*self.tasks)
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/invoke/executor.py", line 129, in execute
result = call.task(*args, **call.kwargs)
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/invoke/tasks.py", line 128, in __call__
result = self.body(*args, **kwargs)
File "/home/user/scap/tasks/db.py", line 60, in upgrade
command.upgrade(cfg, revision)
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/command.py", line 254, in upgrade
script.run_env()
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/script/base.py", line 427, in run_env
util.load_python_file(self.dir, 'env.py')
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/util/pyfiles.py", line 81, in load_python_file
module = load_module_py(module_id, path)
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/util/compat.py", line 82, in load_module_py
spec.loader.exec_module(module)
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/home/user/project/lib/alembic/env.py", line 72, in <module>
run_migrations_online()
File "/home/user/project/lib/alembic/env.py", line 66, in run_migrations_online
context.run_migrations()
File "<string>", line 8, in run_migrations
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/runtime/environment.py", line 836, in run_migrations
self.get_context().run_migrations(**kw)
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/runtime/migration.py", line 330, in run_migrations
step.migration_fn(**kw)
File "/home/user/project/lib/alembic/versions/6e9beb929668_test.py", line 46, in upgrade
op.create_index(op.f('ix_table_col'), 'col', ['col'], unique=False)
File "<string>", line 8, in create_index
File "<string>", line 3, in create_index
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/operations/ops.py", line 857, in create_index
return operations.invoke(op)
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/operations/base.py", line 319, in invoke
return fn(self, operation)
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/operations/toimpl.py", line 88, in create_index
operations.impl.create_index(idx)
File "/home/user/.local/share/virtualenvs/project-TS2Ah8Sl/lib/python3.6/site-packages/alembic/ddl/mssql.py", line 94, in create_index
for col in mssql_include:
TypeError: 'NoneType' object is not iterable