public override SqlExpression VisitUnary(SqlUnaryExpression unary)
{
var unaryOpString = GetUnaryOperatorString(unary.ExpressionType);
builder.Append(unaryOpString);
builder.Append(" ");
Visit(unary.Operand);
return(unary);
}
public virtual SqlExpression VisitUnary(SqlUnaryExpression expression)
{
var operand = expression.Operand;
if (operand != null)
{
operand = Visit(operand);
}
return(SqlExpression.Unary(expression.ExpressionType, operand));
}
public override SqlExpression VisitUnary(SqlUnaryExpression unary)
{
var operand = Visit(unary.Operand);
if (operand.ExpressionType != SqlExpressionType.Constant)
{
throw new ExpressionEvaluateException("Operand of a unary operator could not be evaluated to a constant.");
}
var result = EvaluateUnary(((SqlConstantExpression)operand).Value, unary.ExpressionType);
return(SqlExpression.Constant(result));
}
/// <summary>
///
/// </summary>
/// <param name="unary"></param>
/// <returns></returns>
public virtual SqlExpression VisitUnary(SqlUnaryExpression unary)
{
var operand = unary.Operand;
if (operand != null)
operand = Visit(operand);
return SqlExpression.Unary(unary.ExpressionType, operand);
}
public override SqlExpression VisitUnary(SqlUnaryExpression unary)
{
var operand = Visit(unary.Operand);
if (operand.ExpressionType != SqlExpressionType.Constant)
throw new ExpressionEvaluateException("Operand of a unary operator could not be evaluated to a constant.");
var result = EvaluateUnary(((SqlConstantExpression)operand).Value, unary.ExpressionType);
return SqlExpression.Constant(result);
}
public override SqlExpression VisitUnary(SqlUnaryExpression unary)
{
var unaryOpString = GetUnaryOperatorString(unary.ExpressionType);
builder.Append(unaryOpString);
builder.Append(" ");
Visit(unary.Operand);
return unary;
}
