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https://issues.apache.org/jira/browse/AIRFLOW-3079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16628834#comment-16628834
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Ash Berlin-Taylor commented on AIRFLOW-3079:
--------------------------------------------
Ah, "thanks SQLServer!"
Probably fixing the migration in question - it is already specialised to cope
with different DB engines, so extending it to cope with SQLServer is probably
not a lot of work.
> initdb fails on Microsoft SQL Server
> ------------------------------------
>
> Key: AIRFLOW-3079
> URL: https://issues.apache.org/jira/browse/AIRFLOW-3079
> Project: Apache Airflow
> Issue Type: Bug
> Components: database
> Affects Versions: 1.10.0
> Reporter: Morten Post
> Priority: Major
>
> airflow initdb fails using Microsoft SQL Server 17 backend. Problem does not
> exist in 1.9.0.
> [*****@******** airflow]$ airflow initdb
> [2018-09-17 14:08:28,744] \{settings.py:174} INFO - setting.configure_orm():
> Using pool settings. pool_size=5, pool_recycle=1800
> [2018-09-17 14:08:28,865] \{__init__.py:51} INFO - Using executor
> SequentialExecutor
> DB: DB: mssql+pyodbc://***************/Airflow?driver=ODBC Driver 17 for SQL
> Server
> [2018-09-17 14:08:28,967] \{db.py:338} INFO - Creating tables
> INFO [alembic.runtime.migration] Context impl MSSQLImpl.
> INFO [alembic.runtime.migration] Will assume transactional DDL.
> INFO [alembic.runtime.migration] Running upgrade -> e3a246e0dc1, current
> schema
> INFO [alembic.runtime.migration] Running upgrade e3a246e0dc1 -> 1507a7289a2f,
> create is_encrypted
> INFO [alembic.runtime.migration] Running upgrade 1507a7289a2f ->
> 13eb55f81627, maintain history for compatibility with earlier migrations
> INFO [alembic.runtime.migration] Running upgrade 13eb55f81627 ->
> 338e90f54d61, More logging into task_isntance
> INFO [alembic.runtime.migration] Running upgrade 338e90f54d61 -> 52d714495f0,
> job_id indices
> INFO [alembic.runtime.migration] Running upgrade 52d714495f0 -> 502898887f84,
> Adding extra to Log
> INFO [alembic.runtime.migration] Running upgrade 502898887f84 ->
> 1b38cef5b76e, add dagrun
> INFO [alembic.runtime.migration] Running upgrade 1b38cef5b76e ->
> 2e541a1dcfed, task_duration
> INFO [alembic.runtime.migration] Running upgrade 2e541a1dcfed ->
> 40e67319e3a9, dagrun_config
> INFO [alembic.runtime.migration] Running upgrade 40e67319e3a9 ->
> 561833c1c74b, add password column to user
> INFO [alembic.runtime.migration] Running upgrade 561833c1c74b -> 4446e08588,
> dagrun start end
> INFO [alembic.runtime.migration] Running upgrade 4446e08588 -> bbc73705a13e,
> Add notification_sent column to sla_miss
> INFO [alembic.runtime.migration] Running upgrade bbc73705a13e ->
> bba5a7cfc896, Add a column to track the encryption state of the 'Extra' field
> in connection
> INFO [alembic.runtime.migration] Running upgrade bba5a7cfc896 ->
> 1968acfc09e3, add is_encrypted column to variable table
> INFO [alembic.runtime.migration] Running upgrade 1968acfc09e3 ->
> 2e82aab8ef20, rename user table
> INFO [alembic.runtime.migration] Running upgrade 2e82aab8ef20 ->
> 211e584da130, add TI state index
> INFO [alembic.runtime.migration] Running upgrade 211e584da130 ->
> 64de9cddf6c9, add task fails journal table
> INFO [alembic.runtime.migration] Running upgrade 64de9cddf6c9 ->
> f2ca10b85618, add dag_stats table
> INFO [alembic.runtime.migration] Running upgrade f2ca10b85618 ->
> 4addfa1236f1, Add fractional seconds to mysql tables
> INFO [alembic.runtime.migration] Running upgrade 4addfa1236f1 ->
> 8504051e801b, xcom dag task indices
> INFO [alembic.runtime.migration] Running upgrade 8504051e801b ->
> 5e7d17757c7a, add pid field to TaskInstance
> INFO [alembic.runtime.migration] Running upgrade 5e7d17757c7a ->
> 127d2bf2dfa7, Add dag_id/state index on dag_run table
> INFO [alembic.runtime.migration] Running upgrade 127d2bf2dfa7 ->
> cc1e65623dc7, add max tries column to task instance
> INFO [alembic.runtime.migration] Running upgrade cc1e65623dc7 ->
> bdaa763e6c56, Make xcom value column a large binary
> INFO [alembic.runtime.migration] Running upgrade bdaa763e6c56 ->
> 947454bf1dff, add ti job_id index
> INFO [alembic.runtime.migration] Running upgrade 947454bf1dff ->
> d2ae31099d61, Increase text size for MySQL (not relevant for other DBs' text
> types)
> INFO [alembic.runtime.migration] Running upgrade d2ae31099d61 ->
> 0e2a74e0fc9f, Add time zone awareness
> Traceback (most recent call last):
> File "/bin/airflow", line 32, in <module>
> args.func(args)
> File "/usr/lib/python2.7/site-packages/airflow/bin/cli.py", line 1002, in
> initdb
> db_utils.initdb(settings.RBAC)
> File "/usr/lib/python2.7/site-packages/airflow/utils/db.py", line 92, in
> initdb
> upgradedb()
> File "/usr/lib/python2.7/site-packages/airflow/utils/db.py", line 346, in
> upgradedb
> command.upgrade(config, 'heads')
> File "/usr/lib/python2.7/site-packages/alembic/command.py", line 174, in
> upgrade
> script.run_env()
> File "/usr/lib/python2.7/site-packages/alembic/script/base.py", line 416, in
> run_env
> util.load_python_file(self.dir, 'env.py')
> File "/usr/lib/python2.7/site-packages/alembic/util/pyfiles.py", line 93, in
> load_python_file
> module = load_module_py(module_id, path)
> File "/usr/lib/python2.7/site-packages/alembic/util/compat.py", line 79, in
> load_module_py
> mod = imp.load_source(module_id, path, fp)
> File "/usr/lib/python2.7/site-packages/airflow/migrations/env.py", line 91,
> in <module>
> run_migrations_online()
> File "<string>", line 8, in run_migrations
> File "/usr/lib/python2.7/site-packages/alembic/runtime/environment.py", line
> 807, in run_migrations
> self.get_context().run_migrations(**kw)
> File "/usr/lib/python2.7/site-packages/alembic/runtime/migration.py", line
> 321, in run_migrations
> step.migration_fn(**kw)
> File
> "/usr/lib/python2.7/site-packages/airflow/migrations/versions/0e2a74e0fc9f_add_time_zone_awareness.py",
> line 96, in upgrade
> op.alter_column(table_name='chart', column_name='last_modified',
> type_=sa.TIMESTAMP(timezone=True))
> File "<string>", line 8, in alter_column
> File "<string>", line 3, in alter_column
> File "/usr/lib/python2.7/site-packages/alembic/operations/ops.py", line
> 1420, in alter_column
> return operations.invoke(alt)
> File "/usr/lib/python2.7/site-packages/alembic/operations/base.py", line
> 318, in invoke
> return fn(self, operation)
> File "/usr/lib/python2.7/site-packages/alembic/operations/toimpl.py", line
> 53, in alter_column
> **operation.kw
> File "/usr/lib/python2.7/site-packages/alembic/ddl/mssql.py", line 67, in
> alter_column
> **kw
> File "/usr/lib/python2.7/site-packages/alembic/ddl/impl.py", line 160, in
> alter_column
> existing_nullable=existing_nullable,
> File "/usr/lib/python2.7/site-packages/alembic/ddl/mssql.py", line 23, in
> _exec
> result = super(MSSQLImpl, self)._exec(construct, *args, **kw)
> File "/usr/lib/python2.7/site-packages/alembic/ddl/impl.py", line 118, in
> _exec
> return conn.execute(construct, *multiparams, **params)
> File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line
> 945, in execute
> return meth(self, multiparams, params)
> File "/usr/lib64/python2.7/site-packages/sqlalchemy/sql/ddl.py", line 68, in
> _execute_on_connection
> return connection._execute_ddl(self, multiparams, params)
> File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line
> 1002, in _execute_ddl
> compiled
> File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line
> 1189, in _execute_context
> context)
> File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line
> 1402, in _handle_dbapi_exception
> exc_info
> File "/usr/lib64/python2.7/site-packages/sqlalchemy/util/compat.py", line
> 203, in raise_from_cause
> reraise(type(exception), exception, tb=exc_tb, cause=cause)
> File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/base.py", line
> 1182, in _execute_context
> context)
> File "/usr/lib64/python2.7/site-packages/sqlalchemy/engine/default.py", line
> 470, in do_execute
> cursor.execute(statement, parameters)
> sqlalchemy.exc.ProgrammingError: (pyodbc.ProgrammingError) ('42000',
> u"[42000] [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Cannot alter
> column 'last_modified' to be data type timestamp. (4927) (SQLExecDirectW)")
> [SQL: u'ALTER TABLE chart ALTER COLUMN last_modified TIMESTAMP']
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