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transaction.go
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/
transaction.go
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package connection
import (
"context"
"database/sql/driver"
"github.com/exasol/exasol-driver-go/pkg/errors"
"github.com/exasol/exasol-driver-go/pkg/logger"
)
type Transaction struct {
connection *Connection
}
func NewTransaction(connection *Connection) *Transaction {
return &Transaction{connection: connection}
}
func (t *Transaction) Commit() error {
if t.connection == nil {
return errors.ErrInvalidConn
}
if t.connection.IsClosed {
logger.ErrorLogger.Print(errors.ErrClosed)
return driver.ErrBadConn
}
_, err := t.connection.SimpleExec(context.Background(), "COMMIT")
t.connection = nil
return err
}
func (t *Transaction) Rollback() error {
if t.connection == nil {
return errors.ErrInvalidConn
}
if t.connection.IsClosed {
logger.ErrorLogger.Print(errors.ErrClosed)
return driver.ErrBadConn
}
_, err := t.connection.SimpleExec(context.Background(), "ROLLBACK")
t.connection = nil
return err
}