bbgo_origin/pkg/migrations/sqlite3/20210118163847_fix_unique_index.go
2021-02-06 11:22:04 +08:00

34 lines
730 B
Go

package sqlite3
import (
"context"
"github.com/c9s/rockhopper"
)
func init() {
rockhopper.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, "CREATE UNIQUE INDEX `trade_unique_id` ON `trades` (`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, "DROP INDEX IF EXISTS `trade_unique_id`;")
if err != nil {
return err
}
return err
}