mirror of
https://github.com/c9s/bbgo.git
synced 2024-11-24 15:55:14 +00:00
31 lines
1.8 KiB
Go
31 lines
1.8 KiB
Go
package mysql
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/c9s/rockhopper/v2"
|
|
)
|
|
|
|
func init() {
|
|
AddMigration("main", up_main_addPositions, down_main_addPositions)
|
|
|
|
}
|
|
|
|
func up_main_addPositions(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
|
|
// This code is executed when the migration is applied.
|
|
_, err = tx.ExecContext(ctx, "CREATE TABLE `positions`\n(\n `gid` BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,\n `strategy` VARCHAR(32) NOT NULL,\n `strategy_instance_id` VARCHAR(64) NOT NULL,\n `symbol` VARCHAR(20) NOT NULL,\n `quote_currency` VARCHAR(10) NOT NULL,\n `base_currency` VARCHAR(10) NOT NULL,\n -- average_cost is the position average cost\n `average_cost` DECIMAL(16, 8) UNSIGNED NOT NULL,\n `base` DECIMAL(16, 8) NOT NULL,\n `quote` DECIMAL(16, 8) NOT NULL,\n `profit` DECIMAL(16, 8) NULL,\n -- trade related columns\n `trade_id` BIGINT UNSIGNED NOT NULL, -- the trade id in the exchange\n `side` VARCHAR(4) NOT NULL, -- side of the trade\n `exchange` VARCHAR(12) NOT NULL, -- exchange of the trade\n `traded_at` DATETIME(3) NOT NULL, -- millisecond timestamp\n PRIMARY KEY (`gid`),\n UNIQUE KEY `trade_id` (`trade_id`, `side`, `exchange`)\n);")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return err
|
|
}
|
|
|
|
func down_main_addPositions(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
|
|
// This code is executed when the migration is rolled back.
|
|
_, err = tx.ExecContext(ctx, "DROP TABLE IF EXISTS `positions`;")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return err
|
|
}
|