bbgo/pkg/migrations/sqlite3/main_20210129182704_trade_price_quantity_index.go

30 lines
765 B
Go

package sqlite3
import (
"context"
"github.com/c9s/rockhopper/v2"
)
func init() {
AddMigration("main", up_main_tradePriceQuantityIndex, down_main_tradePriceQuantityIndex)
}
func up_main_tradePriceQuantityIndex(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
// This code is executed when the migration is applied.
_, err = tx.ExecContext(ctx, "CREATE INDEX trades_price_quantity ON trades (order_id,price,quantity);")
if err != nil {
return err
}
return err
}
func down_main_tradePriceQuantityIndex(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
// This code is executed when the migration is rolled back.
_, err = tx.ExecContext(ctx, "DROP INDEX trades_price_quantity;")
if err != nil {
return err
}
return err
}