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dbt

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Usage

The dbt command makes it easy to connect to your database, create snapshots and restore from these at a later time.

To connect to the database:

dbt

To create a snapshot:

dbt --snapshot

To restore from the most recent snapshot, based on timestamp on file:

dbt --restore

To restore from a specific snapshot:

dbt --restore db/snapshots/my_database.dump

By default the snapshots are stored in db/snapshots but they can be saved anywhere if the path is specified.

To find out what configuration is being used:

dbt --info

To find out what configuration is being used in a particular environment:

dbt --env test --info

Configuration

The connection configuration is read from config/ in the form of a database.yml (Ruby on Rails) or database.json (Sequelize) file.

NOTE: You will need to be able to connect to the default Postgres database for your user if you want to be able to drop and restore databases from snapshots. If you can run the psql command successfully without any options, and that role has the ability to create and drop databases, it should work.

Compatibility

Full support for PostgreSQL, partial support for MySQL.

Notes

Often saving and restoring PostgreSQL database snapshots takes a little work to get things to line up correctly. dbt should handle most of that for you.

The ownership is automatically changed to whatever username is defined in the database configuration.