func()

in connection.go [100:123]

• 20 lines of code
• 4 McCabe index (conditional complexity)

func (c *conn) begin(ctx context.Context, isolationLevel isoLevel) (driver.Tx, error) {
	if c.connectionId == "" {
		return nil, driver.ErrBadConn
	}

	if isolationLevel == isolationUseCurrent {
		isolationLevel = isoLevel(c.config.transactionIsolation)
	}

	_, err := c.httpClient.post(ctx, &message.ConnectionSyncRequest{
		ConnectionId: c.connectionId,
		ConnProps: &message.ConnectionProperties{
			AutoCommit:           false,
			HasAutoCommit:        true,
			TransactionIsolation: uint32(isolationLevel),
		},
	})

	if err != nil {
		return nil, c.avaticaErrorToResponseErrorOrError(err)
	}

	return &tx{conn: c}, nil
}