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19 lines
929 B
Markdown
19 lines
929 B
Markdown
---
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description: How to use Alambic to add a database migratation to Argos.
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---
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# Adding a database migration
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We are using [Alembic](https://alembic.sqlalchemy.org) to handle the database
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migrations. Here is how to proceed in order to add a new migration:
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First, do your changes in the code, change the model, add new tables, etc. Once
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you're done, you can create a new migration.
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```bash
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venv/bin/alembic -c argos/server/migrations/alembic.ini revision \
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--autogenerate -m "migration reason"
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```
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Edit the created file to remove comments and adapt it to make sure the migration is complete (Alembic is not powerful enough to cover all the corner cases).
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In case you want to add an `Enum` type, please have a look at [argos/server/migrations/versions/dcf73fa19fce_specify_check_method.py](https://framagit.org/framasoft/framaspace/argos/-/blob/main/argos/server/migrations/versions/dcf73fa19fce_specify_check_method.py).
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