Manually Upgrading/Downgrading a StoryBoard Instance¶
If you have a manually deployed StoryBoard instance, for example a local server for development, you may sometimes need to upgrade the database as new changes are merged upstream.
Similarly, you may wish to rollback a change to for testing purposes. This
guide will explain how you can use the storyboard-db-manage
tool to
upgrade and downgrade your database schema.
If using tox
, all commands in this guide should be run as
$ tox -e venv -- $command
You may find you need to prepend sudo
to this command.
Checking the current version¶
If you don’t know what version your database is currently, you can check it with:
$ storyboard-db-manage --config-file /path/to/storyboard.conf current
Upgrading the database¶
If your existing database version is currently < 049, you are advised to
run the upgrade command using commit acce431b30a32497064ad6d1ab3872358e1e60dc
of the storyboard repository, since after that the migrations were consolidated
and will no longer work with existing databases older than version 049.
You can upgrade to the latest database version in-place with the following command:
$ storyboard-db-manage --config-file /path/to/storyboard.conf upgrade head
Replacing head
in this command allows you to specify a target version. For
example, this command will upgrade to version 055:
$ storyboard-db-manage --config-file /path/to/storyboard.conf upgrade 055
It is also possible to create an sql script to upgrade the database offline:
$ storyboard-db-manage --config-file /path/to/storyboard.conf upgrade head --sql
Additionally, you can generate a script to upgrade between two versions with:
$ storyboard-db-manage --config-file /path/to/storyboard.conf \
upgrade <start version>:<end version> --sql
You can also upgrade the database incrementally, by specifying the number of revisions to apply:
$ storyboard-db-manage --config-file /path/to/storyboard.conf \
upgrade --delta <# of revs>
Downgrading the database¶
If you need to downgrade to a version > 001 and < 049, you will need to first
downgrade to version 049, then use commit acce431b30a32497064ad6d1ab3872358e1e60dc
to downgrade further to the version you require. After this commit, the
migrations lower than 049 were consolidated and can no longer be used
individually.
Downgrade the database by a certain number of revisions:
$ storyboard-db-manage --config-file /path/to/storyboard.conf \
downgrade --delta <# of revs>
You can also downgrade to a specific version:
$ storyboard-db-manage --config-file /path/to/storyboard.conf downgrade 055
Similar to upgrading, you can use the --sql
flag to generate an sql script
to be applied later.