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22 lines
1015 B
Markdown
22 lines
1015 B
Markdown
# Database Migrations
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This directory contains all the database migrations for the web app.
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Migrations are done using the [`peewee-migrate`](https://github.com/klen/peewee_migrate) library.
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Migrations are automatically ran at app startup.
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## Creating a migration
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Have you made a change to the schema of an existing model?
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You will need to create a migration file to ensure that existing databases are updated for backwards compatibility.
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1. Have a database file (`webui.db`) that has the old schema prior to any of your changes.
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2. Make your changes to the models.
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3. From the `backend` directory, run the following command:
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```bash
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pw_migrate create --auto --auto-source apps.web.models --database sqlite:///${SQLITE_DB} --directory apps/web/internal/migrations ${MIGRATION_NAME}
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```
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- `$SQLITE_DB` should be the path to the database file.
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- `$MIGRATION_NAME` should be a descriptive name for the migration.
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4. The migration file will be created in the `apps/web/internal/migrations` directory.
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