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139 lines
4.0 KiB
Markdown
139 lines
4.0 KiB
Markdown
# SQL Helper
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This page contains some help if you want to edit your sqlite db.
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## Install sqlite3
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Sqlite3 is a terminal based sqlite application.
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Feel free to use a visual Database editor like SqliteBrowser if you feel more comfortable with that.
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### Ubuntu/Debian installation
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```bash
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sudo apt-get install sqlite3
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```
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### Using sqlite3 via docker
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The freqtrade docker image does contain sqlite3, so you can edit the database without having to install anything on the host system.
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``` bash
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docker compose exec freqtrade /bin/bash
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sqlite3 <database-file>.sqlite
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```
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## Open the DB
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```bash
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sqlite3
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.open <filepath>
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```
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## Table structure
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### List tables
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```bash
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.tables
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```
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### Display table structure
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```bash
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.schema <table_name>
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```
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## Get all trades in the table
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```sql
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SELECT * FROM trades;
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```
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## Fix trade still open after a manual exit on the exchange
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!!! Warning
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Manually selling a pair on the exchange will not be detected by the bot and it will try to sell anyway. Whenever possible, /forceexit <tradeid> should be used to accomplish the same thing.
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It is strongly advised to backup your database file before making any manual changes.
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!!! Note
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This should not be necessary after /forceexit, as force_exit orders are closed automatically by the bot on the next iteration.
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```sql
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UPDATE trades
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SET is_open=0,
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close_date=<close_date>,
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close_rate=<close_rate>,
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close_profit = close_rate / open_rate - 1,
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close_profit_abs = (amount * <close_rate> * (1 - fee_close) - (amount * (open_rate * (1 - fee_open)))),
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exit_reason=<exit_reason>
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WHERE id=<trade_ID_to_update>;
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```
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### Example
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```sql
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UPDATE trades
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SET is_open=0,
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close_date='2020-06-20 03:08:45.103418',
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close_rate=0.19638016,
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close_profit=0.0496,
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close_profit_abs = (amount * 0.19638016 * (1 - fee_close) - (amount * (open_rate * (1 - fee_open)))),
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exit_reason='force_exit'
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WHERE id=31;
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```
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## Remove trade from the database
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!!! Tip "Use RPC Methods to delete trades"
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Consider using `/delete <tradeid>` via telegram or rest API. That's the recommended way to deleting trades.
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If you'd still like to remove a trade from the database directly, you can use the below query.
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!!! Danger
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Some systems (Ubuntu) disable foreign keys in their sqlite3 packaging. When using sqlite - please ensure that foreign keys are on by running `PRAGMA foreign_keys = ON` before the above query.
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```sql
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DELETE FROM trades WHERE id = <tradeid>;
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DELETE FROM trades WHERE id = 31;
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```
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!!! Warning
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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.
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## Use a different database system
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Freqtrade is using SQLAlchemy, which supports multiple different database systems. As such, a multitude of database systems should be supported.
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Freqtrade does not depend or install any additional database driver. Please refer to the [SQLAlchemy docs](https://docs.sqlalchemy.org/en/14/core/engines.html#database-urls) on installation instructions for the respective database systems.
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The following systems have been tested and are known to work with freqtrade:
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* sqlite (default)
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* PostgreSQL)
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* MariaDB
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!!! Warning
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By using one of the below database systems, you acknowledge that you know how to manage such a system. The freqtrade team will not provide any support with setup or maintenance (or backups) of the below database systems.
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### PostgreSQL
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Installation:
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`pip install psycopg2-binary`
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Usage:
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`... --db-url postgresql+psycopg2://<username>:<password>@localhost:5432/<database>`
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Freqtrade will automatically create the tables necessary upon startup.
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If you're running different instances of Freqtrade, you must either setup one database per Instance or use different users / schemas for your connections.
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### MariaDB / MySQL
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Freqtrade supports MariaDB by using SQLAlchemy, which supports multiple different database systems.
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Installation:
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`pip install pymysql`
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Usage:
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`... --db-url mysql+pymysql://<username>:<password>@localhost:3306/<database>`
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