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45 lines
915 B
Go
45 lines
915 B
Go
package mysql
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import (
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"context"
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"github.com/c9s/rockhopper"
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)
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func init() {
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AddMigration(upAddPnlColumn, downAddPnlColumn)
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}
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func upAddPnlColumn(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
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// This code is executed when the migration is applied.
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_, err = tx.ExecContext(ctx, "ALTER TABLE `trades` ADD COLUMN `pnl` DECIMAL NULL;")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "ALTER TABLE `trades` ADD COLUMN `strategy` VARCHAR(32) NULL;")
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if err != nil {
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return err
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}
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return err
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}
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func downAddPnlColumn(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
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// This code is executed when the migration is rolled back.
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_, err = tx.ExecContext(ctx, "ALTER TABLE `trades` DROP COLUMN `pnl`;")
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if err != nil {
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return err
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}
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_, err = tx.ExecContext(ctx, "ALTER TABLE `trades` DROP COLUMN `strategy`;")
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if err != nil {
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return err
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}
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return err
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}
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