func NewValues(col sql.Expression) sql.Expression {
	return &Values{
		UnaryExpression: expression.UnaryExpression{Child: col},
		Value:           nil,
	}
}
NewValues creates a new Values function.
package function
import (
	"fmt"
	"github.com/dolthub/go-mysql-server/sql"
	"github.com/dolthub/go-mysql-server/sql/expression"
)
type Values struct {
	expression.UnaryExpression
	Value interface{}
}
var _ sql.FunctionExpression = (*Values)(nil)