func (c *Conn) Prepare(query string) (driver.Stmt, error) {
	stmt := prepareStatement(c, query)
	return stmt, nil
}
Prepare returns a prepared statement, bound to this connection.
package ramsql
import (
	"database/sql/driver"
	"sync"
	"github.com/proullon/ramsql/engine/log"
	"github.com/proullon/ramsql/engine/protocol"
)
type Conn struct {
	mutex sync.Mutex
	conn protocol.DriverConn
	parent *Server
}
func newConn(conn protocol.DriverConn, parent *Server) driver.Conn {
	parent.openingConn()
	return &Conn{conn: conn, parent: parent}
}