 .. Licensed to the Apache Software Foundation (ASF) under one
    or more contributor license agreements.  See the NOTICE file
    distributed with this work for additional information
    regarding copyright ownership.  The ASF licenses this file
    to you under the Apache License, Version 2.0 (the
    "License"); you may not use this file except in compliance
    with the License.  You may obtain a copy of the License at

 ..   http://www.apache.org/licenses/LICENSE-2.0

 .. Unless required by applicable law or agreed to in writing,
    software distributed under the License is distributed on an
    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, either express or implied.  See the License for the
    specific language governing permissions and limitations
    under the License.

Reference for Database Migrations
'''''''''''''''''''''''''''''''''

Here's the list of all the Database Migrations that are executed via when you run ``airflow db upgrade``:

 .. This table is automatically updated by pre-commit by ``scripts/ci/pre_commit/pre_commit_migration_reference.py``
 .. All table elements are scraped from migration files
 .. Beginning of auto-generated table

+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| Revision ID                     | Revises ID        | Airflow Version   | Description                                                  |
+=================================+===================+===================+==============================================================+
| ``f5fcbda3e651`` (head)         | ``3c94c427fdf6``  | ``2.3.3``         | Add indexes for CASCADE deletes on task_instance             |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``3c94c427fdf6``                | ``1de7bc13c950``  | ``2.3.2``         | Add cascade to dag_tag foreign key                           |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``1de7bc13c950``                | ``b1b348e02d07``  | ``2.3.1``         | Add index for ``event`` column in ``log`` table.             |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``b1b348e02d07``                | ``75d5ed6c2b43``  | ``2.3.0``         | Update dag.default_view to grid                              |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``75d5ed6c2b43``                | ``909884dea523``  | ``2.3.0``         | Add map_index to Log.                                        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``909884dea523``                | ``48925b2719cb``  | ``2.3.0``         | Update migration for FAB tables to add missing constraints   |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``48925b2719cb``                | ``4eaab2fe6582``  | ``2.3.0``         | Add map_index to TaskFail                                    |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``4eaab2fe6582``                | ``c97c2ab6aa23``  | ``2.3.0``         | Migrate RTIF to use run_id and map_index                     |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``c97c2ab6aa23``                | ``c306b5b5ae4a``  | ``2.3.0``         | add callback request table                                   |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``c306b5b5ae4a``                | ``a3bcd0914482``  | ``2.3.0``         | Switch XCom table to use ``run_id`` and add ``map_index``.   |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``a3bcd0914482``                | ``e655c0453f75``  | ``2.3.0``         | add data_compressed to serialized_dag                        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``e655c0453f75``                | ``f9da662e7089``  | ``2.3.0``         | Add ``map_index`` column to TaskInstance to identify task-   |
|                                 |                   |                   | mapping, and a ``task_map`` table to track mapping values    |
|                                 |                   |                   | from XCom.                                                   |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``f9da662e7089``                | ``786e3737b18f``  | ``2.3.0``         | Add ``LogTemplate`` table to track changes to config values  |
|                                 |                   |                   | ``log_filename_template``                                    |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``786e3737b18f``                | ``5e3ec427fdd3``  | ``2.3.0``         | Add ``timetable_description`` column to DagModel for UI.     |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``5e3ec427fdd3``                | ``587bdf053233``  | ``2.3.0``         | Increase length of email and username in ``ab_user`` and     |
|                                 |                   |                   | ``ab_register_user`` table to ``256`` characters             |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``587bdf053233``                | ``c381b21cb7e4``  | ``2.2.4``         | Add index for ``dag_id`` column in ``job`` table.            |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``c381b21cb7e4``                | ``be2bfac3da23``  | ``2.2.4``         | Create a ``session`` table to store web session data         |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``be2bfac3da23``                | ``7b2661a43ba3``  | ``2.2.3``         | Add has_import_errors column to DagModel                     |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``7b2661a43ba3``                | ``142555e44c17``  | ``2.2.0``         | Change ``TaskInstance`` and ``TaskReschedule`` tables from   |
|                                 |                   |                   | execution_date to run_id.                                    |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``142555e44c17``                | ``54bebd308c5f``  | ``2.2.0``         | Add data_interval_[start|end] to DagModel and DagRun.        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``54bebd308c5f``                | ``30867afad44a``  | ``2.2.0``         | Adds ``trigger`` table and deferrable operator columns to    |
|                                 |                   |                   | task instance                                                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``30867afad44a``                | ``e9304a3141f0``  | ``2.2.0``         | Rename ``concurrency`` column in ``dag`` table to``          |
|                                 |                   |                   | max_active_tasks``                                           |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``e9304a3141f0``                | ``83f031fd9f1c``  | ``2.2.0``         | Make XCom primary key columns non-nullable                   |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``83f031fd9f1c``                | ``ccde3e26fe78``  | ``2.2.0``         | Improve MSSQL compatibility                                  |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``ccde3e26fe78``                | ``092435bf5d12``  | ``2.1.4``         | Add index on state, dag_id for queued ``dagrun``             |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``092435bf5d12``                | ``97cdd93827b8``  | ``2.1.4``         | Add ``max_active_runs`` column to ``dag_model`` table        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``97cdd93827b8``                | ``a13f7613ad25``  | ``2.1.3``         | Add ``queued_at`` column in ``dag_run`` table                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``a13f7613ad25``                | ``e165e7455d70``  | ``2.1.0``         | Resource based permissions for default ``Flask-AppBuilder``  |
|                                 |                   |                   | views                                                        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``e165e7455d70``                | ``90d1635d7b86``  | ``2.1.0``         | Add description field to ``Variable`` model                  |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``90d1635d7b86``                | ``2e42bb497a22``  | ``2.1.0``         | Increase maximum length of pool name in ``task_instance``    |
|                                 |                   |                   | table to ``256`` characters                                  |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``2e42bb497a22``                | ``8646922c8a04``  | ``2.0.2``         | Rename ``last_scheduler_run`` column in ``DAG`` table to     |
|                                 |                   |                   | ``last_parsed_time``                                         |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``8646922c8a04``                | ``449b4072c2da``  | ``2.0.2``         | Change default ``pool_slots`` to ``1``                       |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``449b4072c2da``                | ``82b7c48c147f``  | ``2.0.2``         | Increase size of ``connection.extra`` field to handle        |
|                                 |                   |                   | multiple RSA keys                                            |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``82b7c48c147f``                | ``e959f08ac86c``  | ``2.0.1``         | Remove ``can_read`` permission on config resource for        |
|                                 |                   |                   | ``User`` and ``Viewer`` role                                 |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``e959f08ac86c``                | ``64a7d6477aae``  | ``2.0.0``         | Change field in ``DagCode`` to ``MEDIUMTEXT`` for MySql      |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``64a7d6477aae``                | ``61ec73d9401f``  | ``2.0.0``         | Fix description field in ``connection`` to be ``text``       |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``61ec73d9401f``                | ``2c6edca13270``  | ``2.0.0``         | Add description field to ``connection`` table                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``2c6edca13270``                | ``849da589634d``  | ``2.0.0``         | Resource based permissions.                                  |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``849da589634d``                | ``45ba3f1493b9``  | ``2.0.0``         | Prefix DAG permissions.                                      |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``45ba3f1493b9``                | ``364159666cbd``  | ``2.0.0``         | add-k8s-yaml-to-rendered-templates                           |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``364159666cbd``                | ``52d53670a240``  | ``2.0.0``         | Add ``creating_job_id`` to ``DagRun`` table                  |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``52d53670a240``                | ``98271e7606e2``  | ``2.0.0``         | fix_mssql_exec_date_rendered_task_instance_fields_for_MSSQL  |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``98271e7606e2``                | ``bef4f3d11e8b``  | ``2.0.0``         | Add ``scheduling_decision`` to ``DagRun`` and ``DAG``        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``bef4f3d11e8b``                | ``e1a11ece99cc``  | ``2.0.0``         | Drop ``KubeResourceVersion`` and ``KubeWorkerId``            |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``e1a11ece99cc``                | ``b247b1e3d1ed``  | ``2.0.0``         | Add external executor ID to TI                               |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``b247b1e3d1ed``                | ``e38be357a868``  | ``2.0.0``         | Add queued by Job ID to TI                                   |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``e38be357a868``                | ``8d48763f6d53``  | ``2.0.0``         | Add ``sensor_instance`` table                                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``8d48763f6d53``                | ``8f966b9c467a``  | ``2.0.0``         | Add unique constraint to ``conn_id``                         |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``8f966b9c467a``                | ``3c20cacc0044``  | ``2.0.0``         | Set ``conn_type`` as non-nullable                            |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``3c20cacc0044``                | ``b25a55525161``  | ``2.0.0``         | Add ``run_type`` column in ``dag_run`` table                 |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``b25a55525161``                | ``bbf4a7ad0465``  | ``2.0.0``         | Increase length of pool name                                 |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``bbf4a7ad0465``                | ``cf5dc11e79ad``  | ``2.0.0``         | Remove id column from xcom                                   |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``cf5dc11e79ad``                | ``03afc6b6f902``  | ``2.0.0``         | Drop ``user`` and ``chart`` table                            |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``03afc6b6f902``                | ``92c57b58940d``  | ``1.10.13``       | Increase length of ``Flask-AppBuilder``                      |
|                                 |                   |                   | ``ab_view_menu.name`` column                                 |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``92c57b58940d``                | ``da3f683c3a5a``  | ``1.10.13``       | Create FAB Tables                                            |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``da3f683c3a5a``                | ``a66efa278eea``  | ``1.10.12``       | Add ``dag_hash`` Column to ``serialized_dag`` table          |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``a66efa278eea``                | ``952da73b5eff``  | ``1.10.11``       | Add Precision to ``execution_date`` in                       |
|                                 |                   |                   | ``RenderedTaskInstanceFields`` table                         |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``952da73b5eff``                | ``852ae6c715af``  | ``1.10.10``       | Add ``dag_code`` table                                       |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``852ae6c715af``                | ``a4c2fd67d16b``  | ``1.10.10``       | Add ``RenderedTaskInstanceFields`` table                     |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``a4c2fd67d16b``                | ``7939bcff74ba``  | ``1.10.10``       | Add ``pool_slots`` field to ``task_instance``                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``7939bcff74ba``                | ``fe461863935f``  | ``1.10.8``        | Add ``DagTags`` table                                        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``fe461863935f``                | ``08364691d074``  | ``1.10.7``        | Increase length for connection password                      |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``08364691d074`` (merge_point)  | ``a56c9515abdc``, | ``1.10.7``        | Straighten out the migrations                                |
|                                 | ``004c1210f153``, |                   |                                                              |
|                                 | ``74effc47d867``, |                   |                                                              |
|                                 | ``b3b105409875``  |                   |                                                              |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``a56c9515abdc``                | ``c8ffec048a3b``  | ``1.10.3``        | Remove ``dag_stat`` table                                    |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``004c1210f153``                | ``939bb1e647c8``  | ``1.10.4``        | Increase queue name size limit                               |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``74effc47d867``                | ``6e96a59344a4``  | ``1.10.5``        | change datetime to datetime2(6) on MSSQL tables              |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``b3b105409875``                | ``d38e04c12aa2``  | ``1.10.7``        | Add ``root_dag_id`` to ``DAG``                               |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``d38e04c12aa2``                | ``6e96a59344a4``  | ``1.10.7``        | Add ``serialized_dag`` table                                 |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``6e96a59344a4`` (branch_point) | ``939bb1e647c8``  | ``1.10.4``        | Make ``TaskInstance.pool`` not nullable                      |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``939bb1e647c8`` (branch_point) | ``dd4ecb8fbee3``  | ``1.10.3``        | task reschedule foreign key on cascade delete                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``dd4ecb8fbee3``                | ``c8ffec048a3b``  | ``1.10.3``        | Add schedule interval to dag                                 |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``c8ffec048a3b`` (branch_point) | ``41f5f12752f8``  | ``1.10.3``        | Add ``description`` and ``default_view`` column to ``dag``   |
|                                 |                   |                   | table                                                        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``41f5f12752f8``                | ``03bc53e68815``  | ``1.10.2``        | Add superuser field                                          |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``03bc53e68815`` (merge_point)  | ``0a2a5b66e19d``, | ``1.10.2``        | Merge migrations Heads                                       |
|                                 | ``bf00311e1990``  |                   |                                                              |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``0a2a5b66e19d``                | ``9635ae0956e7``  | ``1.10.2``        | Add ``task_reschedule`` table                                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``bf00311e1990``                | ``dd25f486b8ea``  | ``1.10.2``        | Add index to ``task_instance`` table                         |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``dd25f486b8ea``                | ``9635ae0956e7``  | ``1.10.2``        | Add index on ``log`` table                                   |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``9635ae0956e7`` (branch_point) | ``856955da8476``  | ``1.10.0``        | Create index on ``task_fail`` table                          |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``856955da8476``                | ``f23433877c24``  | ``1.10.0``        | Fix Sqlite foreign key                                       |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``f23433877c24``                | ``05f30312d566``  | ``1.10.0``        | Fix MySQL not null constraint                                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``05f30312d566`` (merge_point)  | ``86770d1215c0``, | ``1.10.0``        | Merge migrations Heads                                       |
|                                 | ``0e2a74e0fc9f``  |                   |                                                              |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``86770d1215c0``                | ``27c6a30d7c24``  | ``1.10.0``        | Add kubernetes scheduler uniqueness                          |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``27c6a30d7c24``                | ``33ae817a1ff4``  | ``1.10.0``        | Add ``executor_config`` column to ``task_instance`` table    |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``33ae817a1ff4``                | ``d2ae31099d61``  | ``1.10.0``        | Add Kubernetes resource check-pointing                       |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``0e2a74e0fc9f``                | ``d2ae31099d61``  | ``1.10.0``        | Add time zone awareness                                      |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``d2ae31099d61`` (branch_point) | ``947454bf1dff``  | ``1.8.2``         | Increase text size for MySQL (not relevant for other DBs'    |
|                                 |                   |                   | text types)                                                  |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``947454bf1dff``                | ``bdaa763e6c56``  | ``1.8.2``         | Create index on ``job_id`` column in ``task_instance`` table |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``bdaa763e6c56``                | ``cc1e65623dc7``  | ``1.8.2``         | Make xcom value column a large binary                        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``cc1e65623dc7``                | ``127d2bf2dfa7``  | ``1.8.2``         | Add ``max_tries`` column to ``task_instance``                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``127d2bf2dfa7``                | ``5e7d17757c7a``  | ``1.7.1.3``       | Add ``dag_id``/``state`` index on ``dag_run`` table          |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``5e7d17757c7a``                | ``8504051e801b``  | ``1.7.1.3``       | Add ``pid`` field to ``TaskInstance``                        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``8504051e801b``                | ``4addfa1236f1``  | ``1.7.1.3``       | Add indices on ``xcom`` table                                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``4addfa1236f1``                | ``f2ca10b85618``  | ``1.7.1.3``       | Add fractional seconds to MySQL tables                       |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``f2ca10b85618``                | ``64de9cddf6c9``  | ``1.7.1.3``       | Add ``dag_stats`` table                                      |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``64de9cddf6c9``                | ``211e584da130``  | ``1.7.1.3``       | Add ``task_fail`` table                                      |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``211e584da130``                | ``2e82aab8ef20``  | ``1.7.1.3``       | Add TI state index                                           |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``2e82aab8ef20``                | ``1968acfc09e3``  | ``1.7.1``         | Rename user table                                            |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``1968acfc09e3``                | ``bba5a7cfc896``  | ``1.7.0``         | Add ``is_encrypted`` column to variable table                |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``bba5a7cfc896``                | ``bbc73705a13e``  | ``1.7.0``         | Add a column to track the encryption state of the 'Extra'    |
|                                 |                   |                   | field in connection                                          |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``bbc73705a13e``                | ``4446e08588``    | ``1.7.0``         | Add ``notification_sent`` column to ``sla_miss`` table       |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``4446e08588``                  | ``561833c1c74b``  | ``1.6.2``         | Add ``start_date`` and ``end_date`` in ``dag_run`` table     |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``561833c1c74b``                | ``40e67319e3a9``  | ``1.6.2``         | Add ``password`` column to ``user`` table                    |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``40e67319e3a9``                | ``2e541a1dcfed``  | ``1.6.0``         | Add ``conf`` column in ``dag_run`` table                     |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``2e541a1dcfed``                | ``1b38cef5b76e``  | ``1.6.0``         | Change ``task_instance.task_duration`` type to ``FLOAT``     |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``1b38cef5b76e``                | ``502898887f84``  | ``1.6.0``         | Add ``dag_run`` table                                        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``502898887f84``                | ``52d714495f0``   | ``1.6.0``         | Adding ``extra`` column to ``Log`` table                     |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``52d714495f0``                 | ``338e90f54d61``  | ``1.5.2``         | Add indices in ``job`` table                                 |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``338e90f54d61``                | ``13eb55f81627``  | ``1.5.0``         | Add ``operator`` and ``queued_dttm`` to ``task_instance``    |
|                                 |                   |                   | table                                                        |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``13eb55f81627``                | ``1507a7289a2f``  | ``1.5.0``         | Maintain history for compatibility with earlier migrations   |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``1507a7289a2f``                | ``e3a246e0dc1``   | ``1.5.0``         | Add ``is_encrypted`` column in ``connection`` table          |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+
| ``e3a246e0dc1`` (base)          | ``None``          | ``1.5.0``         | current schema                                               |
+---------------------------------+-------------------+-------------------+--------------------------------------------------------------+

 .. End of auto-generated table

.. spelling::
    branchpoint
    mergepoint