34 lines
889 B
Go
34 lines
889 B
Go
package mysql
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/c9s/rockhopper/v2"
|
|
)
|
|
|
|
func init() {
|
|
AddMigration("main", up_main_tradesCreated, down_main_tradesCreated)
|
|
}
|
|
|
|
func up_main_tradesCreated(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
|
|
// This code is executed when the migration is applied.
|
|
_, err = tx.ExecContext(ctx, "ALTER TABLE `trades` ADD COLUMN `inserted_at` DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL AFTER `traded_at`;")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = tx.ExecContext(ctx, "UPDATE `trades` SET `inserted_at` = `traded_at`;")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return err
|
|
}
|
|
|
|
func down_main_tradesCreated(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 COLUMN `inserted_at`;")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return err
|
|
}
|