bbgo_origin/pkg/migrations/20210416230730_klines_symbol_length.go
2021-12-04 03:06:04 +00:00

65 lines
1.5 KiB
Go

package migrations
import (
"database/sql"
"context"
"github.com/c9s/rockhopper"
)
func init() {
rockhopper.AddMigration(upKlinesSymbolLength, downKlinesSymbolLength)
}
func upKlinesSymbolLength(ctx context.Context, tx *sql.Tx) (err error) {
// This code is executed when the migration is applied.
_, err = tx.ExecContext(ctx, "ALTER TABLE `klines`\nMODIFY COLUMN `symbol` VARCHAR(10) NOT NULL;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "ALTER TABLE `okex_klines`\nMODIFY COLUMN `symbol` VARCHAR(10) NOT NULL;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "ALTER TABLE `binance_klines`\nMODIFY COLUMN `symbol` VARCHAR(10) NOT NULL;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "ALTER TABLE `max_klines`\nMODIFY COLUMN `symbol` VARCHAR(10) NOT NULL;")
if err != nil {
return err
}
return err
}
func downKlinesSymbolLength(ctx context.Context, tx *sql.Tx) (err error) {
// This code is executed when the migration is rolled back.
_, err = tx.ExecContext(ctx, "ALTER TABLE `klines`\nMODIFY COLUMN `symbol` VARCHAR(7) NOT NULL;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "ALTER TABLE `okex_klines`\nMODIFY COLUMN `symbol` VARCHAR(7) NOT NULL;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "ALTER TABLE `binance_klines`\nMODIFY COLUMN `symbol` VARCHAR(7) NOT NULL;")
if err != nil {
return err
}
_, err = tx.ExecContext(ctx, "ALTER TABLE `max_klines`\nMODIFY COLUMN `symbol` VARCHAR(7) NOT NULL;")
if err != nil {
return err
}
return err
}