From 1118453b9637b02333e7dbe497b7511e185276e7 Mon Sep 17 00:00:00 2001
From: TonyQ <tonyq@momentx.co>
Date: Sat, 11 Dec 2021 10:40:57 +0800
Subject: [PATCH] doc: update readme document for migration

---
 README.md                                                | 8 ++++++++
 .../mysql/20211211103657_update_fee_currency_length.sql  | 9 +++++++++
 .../20211211103657_update_fee_currency_length.sql        | 8 ++++++++
 3 files changed, 25 insertions(+)
 create mode 100644 migrations/mysql/20211211103657_update_fee_currency_length.sql
 create mode 100644 migrations/sqlite3/20211211103657_update_fee_currency_length.sql

diff --git a/README.md b/README.md
index be2696f24..e3d7fd9e5 100644
--- a/README.md
+++ b/README.md
@@ -562,6 +562,14 @@ Then run the following command to compile the migration files into go files:
 make migrations
 ```
 
+or
+
+```shell
+	rockhopper compile --config rockhopper_mysql.yaml --output pkg/migrations/mysql
+	rockhopper compile --config rockhopper_sqlite.yaml --output pkg/migrations/sqlite3
+	git add -v pkg/migrations && git commit -m "compile and update migration package" pkg/migrations || true
+```
+
 
 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:
 
diff --git a/migrations/mysql/20211211103657_update_fee_currency_length.sql b/migrations/mysql/20211211103657_update_fee_currency_length.sql
new file mode 100644
index 000000000..89bda824b
--- /dev/null
+++ b/migrations/mysql/20211211103657_update_fee_currency_length.sql
@@ -0,0 +1,9 @@
+-- +up
+-- +begin
+ALTER TABLE trades CHANGE fee_currency fee_currency varchar(10) NOT NULL;
+-- +end
+
+-- +down
+-- +begin
+ALTER TABLE trades CHANGE fee_currency fee_currency varchar(4) NOT NULL;
+-- +end
diff --git a/migrations/sqlite3/20211211103657_update_fee_currency_length.sql b/migrations/sqlite3/20211211103657_update_fee_currency_length.sql
new file mode 100644
index 000000000..a88ad32d4
--- /dev/null
+++ b/migrations/sqlite3/20211211103657_update_fee_currency_length.sql
@@ -0,0 +1,8 @@
+-- +up
+-- +begin
+-- +end
+
+-- +down
+
+-- +begin
+-- +end