package sqlite3

import (
	"context"

	"github.com/c9s/rockhopper/v2"
)

func init() {
	AddMigration("main", up_main_fixUniqueIndex, down_main_fixUniqueIndex)
}

func up_main_fixUniqueIndex(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 down_main_fixUniqueIndex(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
}