bbgo_origin/pkg/migrations/mysql/20201211175751_fix_symbol_length.go
2021-02-17 17:28:05 +08:00

45 lines
937 B
Go

package mysql
import (
"context"
"github.com/c9s/rockhopper"
)
func init() {
AddMigration(upFixSymbolLength, downFixSymbolLength)
}
func upFixSymbolLength(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
// This code is executed when the migration is applied.
_, err = tx.ExecContext(ctx, "ALTER TABLE trades MODIFY COLUMN symbol VARCHAR(9);")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "ALTER TABLE orders MODIFY COLUMN symbol VARCHAR(9);")
if err != nil {
return err
}
return err
}
func downFixSymbolLength(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 MODIFY COLUMN symbol VARCHAR(8);")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "ALTER TABLE orders MODIFY COLUMN symbol VARCHAR(8);")
if err != nil {
return err
}
return err
}