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64 lines
1.6 KiB
Markdown
64 lines
1.6 KiB
Markdown
# Migration
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### Adding new migration
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1. The project used rockerhopper for db migration.
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https://github.com/c9s/rockhopper
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2. Create migration files
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You can use the util script to generate the migration files:
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```
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bash utils/generate-new-migration.sh add_pnl_column
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```
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Or, you can generate the migration files separately:
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```sh
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rockhopper --config rockhopper_sqlite.yaml create --type sql add_pnl_column
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rockhopper --config rockhopper_mysql.yaml create --type sql add_pnl_column
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```
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Be sure to edit both sqlite3 and mysql migration files. ( [Sample](migrations/mysql/20210531234123_add_kline_taker_buy_columns.sql) )
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To test the drivers, you have to update the rockhopper_mysql.yaml file to connect your database,
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then do:
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```sh
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rockhopper --config rockhopper_sqlite.yaml up
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rockhopper --config rockhopper_mysql.yaml up
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```
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Then run the following command to compile the migration files into go files:
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```shell
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make migrations
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```
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or
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```shell
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rockhopper compile --config rockhopper_mysql.yaml --output pkg/migrations/mysql
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rockhopper compile --config rockhopper_sqlite.yaml --output pkg/migrations/sqlite3
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git add -v pkg/migrations && git commit -m "compile and update migration package" pkg/migrations || true
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```
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If you want to override the DSN and the Driver defined in the YAML config file, you can add some env vars in your dotenv file like this:
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```shell
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ROCKHOPPER_DRIVER=mysql
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ROCKHOPPER_DIALECT=mysql
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ROCKHOPPER_DSN="root:123123@unix(/opt/local/var/run/mysql57/mysqld.sock)/bbgo"
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```
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And then, run:
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```shell
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dotenv -f .env.local -- rockhopper --config rockhopper_mysql.yaml up
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```
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