package mysql import ( "context" "github.com/c9s/rockhopper/v2" ) func init() { AddMigration("main", up_main_increaseSymbolLength, down_main_increaseSymbolLength) } func up_main_increaseSymbolLength(ctx context.Context, tx rockhopper.SQLExecutor) (err error) { // This code is executed when the migration is applied. _, err = tx.ExecContext(ctx, "ALTER TABLE `klines`\nMODIFY COLUMN `symbol` VARCHAR(12) NOT NULL;") if err != nil { return err } _, err = tx.ExecContext(ctx, "ALTER TABLE `okex_klines`\nMODIFY COLUMN `symbol` VARCHAR(12) NOT NULL;") if err != nil { return err } _, err = tx.ExecContext(ctx, "ALTER TABLE `binance_klines`\nMODIFY COLUMN `symbol` VARCHAR(12) NOT NULL;") if err != nil { return err } _, err = tx.ExecContext(ctx, "ALTER TABLE `max_klines`\nMODIFY COLUMN `symbol` VARCHAR(12) NOT NULL;") if err != nil { return err } return err } func down_main_increaseSymbolLength(ctx context.Context, tx rockhopper.SQLExecutor) (err error) { // This code is executed when the migration is rolled back. _, 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 }