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Add documentation for Postgres and Mysql

This commit is contained in:
Matthias 2021-05-22 10:12:03 +02:00
parent 44bbc0718e
commit 5285cd69b4
1 changed files with 30 additions and 1 deletions
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31
docs/sql_cheatsheet.md
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@ -19,7 +19,7 @@ The freqtrade docker image does contain sqlite3, so you can edit the database wi
``` bash
docker-compose exec freqtrade /bin/bash
sqlite3 <databasefile>.sqlite
sqlite3 <database-file>.sqlite
```
## Open the DB
@ -99,3 +99,32 @@ DELETE FROM trades WHERE id = 31;
!!! Warning
This will remove this trade from the database. Please make sure you got the correct id and **NEVER** run this query without the `where` clause.
## Use a different database system
!!! Warning
By using one of the below database systems, you acknowledge that you know how to manage such a system. Freqtrade will not provide any support with setup or maintenance (or backups) of the below database systems.
### PostgreSQL
Freqtrade supports PostgreSQL by using SQLAlchemy, which supports multiple different database systems.
Installation:
`pip install psycopg2`
Usage:
`... --db-url postgresql+psycopg2://<username>:<password>@localhost:5432/<database>`
Freqtrade will automatically create the tables necessary upon startup.
If you're running different instances of Freqtrade, you must either setup one database per Instance or use different users / schemas for your connections.
### MariaDB / MySQL
Freqtrade supports MariaDB by using SQLAlchemy, which supports multiple different database systems.
Installation:
`pip install pymysql`
Usage:
`... --db-url mysql+pymysql://<username>:<password>@localhost:3306/<database>`