func NewSystemStringType(varName string) SystemVariableType {
	return systemStringType{varName}
}
NewSystemStringType returns a new systemStringType.
package sql
import (
	"github.com/dolthub/vitess/go/sqltypes"
	"github.com/dolthub/vitess/go/vt/proto/query"
)
type systemStringType struct {
	varName string
}
var _ SystemVariableType = systemStringType{}