mirror of
https://github.com/c9s/bbgo.git
synced 2024-09-21 08:41:10 +00:00
45 lines
932 B
Go
45 lines
932 B
Go
package mysql
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/c9s/rockhopper"
|
|
)
|
|
|
|
func init() {
|
|
AddMigration(upFixUniqueIndex, downFixUniqueIndex)
|
|
|
|
}
|
|
|
|
func upFixUniqueIndex(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
|
|
// This code is executed when the migration is applied.
|
|
|
|
_, err = tx.ExecContext(ctx, "ALTER TABLE `trades` DROP INDEX `id`;")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = tx.ExecContext(ctx, "ALTER TABLE `trades` ADD UNIQUE INDEX `id` (`exchange`,`symbol`, `side`, `id`);")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return err
|
|
}
|
|
|
|
func downFixUniqueIndex(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
|
|
// This code is executed when the migration is rolled back.
|
|
|
|
_, err = tx.ExecContext(ctx, "ALTER TABLE `trades` DROP INDEX `id`;")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
_, err = tx.ExecContext(ctx, "ALTER TABLE `trades` ADD UNIQUE INDEX `id` (`id`);")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return err
|
|
}
|