mirror of
https://github.com/c9s/bbgo.git
synced 2024-11-24 07:45:15 +00:00
30 lines
957 B
Go
30 lines
957 B
Go
package sqlite3
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/c9s/rockhopper/v2"
|
|
)
|
|
|
|
func init() {
|
|
AddMigration("main", up_main_tradesCreated, down_main_tradesCreated)
|
|
}
|
|
|
|
func up_main_tradesCreated(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
|
|
// This code is executed when the migration is applied.
|
|
_, err = tx.ExecContext(ctx, "ALTER TABLE trades ADD COLUMN inserted_at TEXT;\nUPDATE trades SET inserted_at = traded_at;\nCREATE TRIGGER set_inserted_at\nAFTER INSERT ON trades\nFOR EACH ROW\nBEGIN\n UPDATE trades\n SET inserted_at = datetime('now')\n WHERE rowid = NEW.rowid;\nEND;")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return err
|
|
}
|
|
|
|
func down_main_tradesCreated(ctx context.Context, tx rockhopper.SQLExecutor) (err error) {
|
|
// This code is executed when the migration is rolled back.
|
|
_, err = tx.ExecContext(ctx, "DROP TRIGGER set_inserted_at;\nALTER TABLE trades DROP COLUMN inserted_at;")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return err
|
|
}
|