17 lines
662 B
Markdown
17 lines
662 B
Markdown
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sidebar: devs
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---
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# Database
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LibreTime is designed to work with a [PostgreSQL](https://www.postgresql.org/) database server running locally.
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LibreTime uses [PropelORM](http://propelorm.org) to interact with the ZendPHP components and create the database.
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## Modifying the Database
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If you are a developer seeking to add new columns to the database here are the steps.
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1. Modify `airtime_mvc/build/schema.xml` with any changes.
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2. Run `dev_tools/propel_generate.sh`
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3. Update the upgrade.sql under `airtime_mvc/application/controllers/upgrade_sql/VERSION` for example
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`ALTER TABLE imported_podcast ADD COLUMN album_override boolean default 'f' NOT NULL;`
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