/// <summary>
/// Get the expression type.
/// </summary>
/// <param name="exp">The expression to return.</param>
/// <returns>The expression type.</returns>
public static ExpressionType GetExpressionType(Nequeo.Linq.ExpressionOperandType exp)
{
switch (exp)
{
case Nequeo.Linq.ExpressionOperandType.Add:
return(ExpressionType.Add);
case Nequeo.Linq.ExpressionOperandType.Divide:
return(ExpressionType.Divide);
case Nequeo.Linq.ExpressionOperandType.Equal:
return(ExpressionType.Equal);
case Nequeo.Linq.ExpressionOperandType.GreaterThan:
return(ExpressionType.GreaterThan);
case Nequeo.Linq.ExpressionOperandType.GreaterThanOrEqual:
return(ExpressionType.GreaterThanOrEqual);
case Nequeo.Linq.ExpressionOperandType.IsFalse:
return(ExpressionType.IsFalse);
case Nequeo.Linq.ExpressionOperandType.IsTrue:
return(ExpressionType.IsTrue);
case Nequeo.Linq.ExpressionOperandType.LessThan:
return(ExpressionType.LessThan);
case Nequeo.Linq.ExpressionOperandType.LessThanOrEqual:
return(ExpressionType.LessThanOrEqual);
case Nequeo.Linq.ExpressionOperandType.Multiply:
return(ExpressionType.Multiply);
case Nequeo.Linq.ExpressionOperandType.NotEqual:
return(ExpressionType.NotEqual);
case Nequeo.Linq.ExpressionOperandType.Subtract:
return(ExpressionType.Subtract);
case Nequeo.Linq.ExpressionOperandType.And:
return(ExpressionType.And);
case Nequeo.Linq.ExpressionOperandType.Or:
return(ExpressionType.Or);
case Nequeo.Linq.ExpressionOperandType.AndAlso:
return(ExpressionType.AndAlso);
case Nequeo.Linq.ExpressionOperandType.OrElse:
return(ExpressionType.OrElse);
default:
throw new Exception(string.Format("Unhandled expression type: '{0}'", exp.ToString()));
}
}
/// <summary>
/// Get the expression operand string.
/// </summary>
/// <param name="exp">The expression to return.</param>
/// <returns>The string expression.</returns>
public static string GetExpression(Nequeo.Linq.ExpressionOperandType exp)
{
switch (exp)
{
case Nequeo.Linq.ExpressionOperandType.Add:
return("+");
case Nequeo.Linq.ExpressionOperandType.Between:
return("Between");
case Nequeo.Linq.ExpressionOperandType.Divide:
return("/");
case Nequeo.Linq.ExpressionOperandType.Equal:
return("==");
case Nequeo.Linq.ExpressionOperandType.GreaterThan:
return(">");
case Nequeo.Linq.ExpressionOperandType.GreaterThanOrEqual:
return(">=");
case Nequeo.Linq.ExpressionOperandType.In:
return("In");
case Nequeo.Linq.ExpressionOperandType.IsFalse:
return("false");
case Nequeo.Linq.ExpressionOperandType.IsNotNull:
return("IsNotNull");
case Nequeo.Linq.ExpressionOperandType.IsNull:
return("IsNull");
case Nequeo.Linq.ExpressionOperandType.IsTrue:
return("true");
case Nequeo.Linq.ExpressionOperandType.LessThan:
return("<");
case Nequeo.Linq.ExpressionOperandType.LessThanOrEqual:
return("<=");
case Nequeo.Linq.ExpressionOperandType.Like:
return("Like");
case Nequeo.Linq.ExpressionOperandType.LikeEscape:
return("LikeEscape");
case Nequeo.Linq.ExpressionOperandType.Multiply:
return("*");
case Nequeo.Linq.ExpressionOperandType.NotBetween:
return("NotBetween");
case Nequeo.Linq.ExpressionOperandType.NotEqual:
return("!=");
case Nequeo.Linq.ExpressionOperandType.NotIn:
return("NotIn");
case Nequeo.Linq.ExpressionOperandType.NotLike:
return("NotLike");
case Nequeo.Linq.ExpressionOperandType.NotLikeEscape:
return("NotLikeEscape");
case Nequeo.Linq.ExpressionOperandType.Subtract:
return("-");
case Nequeo.Linq.ExpressionOperandType.And:
return("&");
case Nequeo.Linq.ExpressionOperandType.Or:
return("|");
case Nequeo.Linq.ExpressionOperandType.AndAlso:
return("&&");
case Nequeo.Linq.ExpressionOperandType.OrElse:
return("||");
default:
return("");
}
}
/// <summary>
/// Get the sql expression operand string.
/// </summary>
/// <param name="exp">The expression to return.</param>
/// <returns>The string expression.</returns>
public static string GetSqlExpression(Nequeo.Linq.ExpressionOperandType exp)
{
switch (exp)
{
case Nequeo.Linq.ExpressionOperandType.Add:
return("+");
case Nequeo.Linq.ExpressionOperandType.Between:
return("BETWEEN");
case Nequeo.Linq.ExpressionOperandType.Divide:
return("/");
case Nequeo.Linq.ExpressionOperandType.Equal:
return("=");
case Nequeo.Linq.ExpressionOperandType.GreaterThan:
return(">");
case Nequeo.Linq.ExpressionOperandType.GreaterThanOrEqual:
return(">=");
case Nequeo.Linq.ExpressionOperandType.In:
return("IN");
case Nequeo.Linq.ExpressionOperandType.IsFalse:
return("FALSE");
case Nequeo.Linq.ExpressionOperandType.IsNotNull:
return("IS NOT NULL");
case Nequeo.Linq.ExpressionOperandType.IsNull:
return("IS NULL");
case Nequeo.Linq.ExpressionOperandType.IsTrue:
return("TRUE");
case Nequeo.Linq.ExpressionOperandType.LessThan:
return("<");
case Nequeo.Linq.ExpressionOperandType.LessThanOrEqual:
return("<=");
case Nequeo.Linq.ExpressionOperandType.Like:
return("LIKE");
case Nequeo.Linq.ExpressionOperandType.LikeEscape:
return("LIKE ESCAPE");
case Nequeo.Linq.ExpressionOperandType.Multiply:
return("*");
case Nequeo.Linq.ExpressionOperandType.NotBetween:
return("NOT BETWEEN");
case Nequeo.Linq.ExpressionOperandType.NotEqual:
return("<>");
case Nequeo.Linq.ExpressionOperandType.NotIn:
return("NOT IN");
case Nequeo.Linq.ExpressionOperandType.NotLike:
return("NOT LIKE");
case Nequeo.Linq.ExpressionOperandType.NotLikeEscape:
return("NOT LIKE ESCAPE");
case Nequeo.Linq.ExpressionOperandType.Subtract:
return("-");
case Nequeo.Linq.ExpressionOperandType.And:
return("AND");
case Nequeo.Linq.ExpressionOperandType.Or:
return("OR");
case Nequeo.Linq.ExpressionOperandType.AndAlso:
return("AND");
case Nequeo.Linq.ExpressionOperandType.OrElse:
return("OR");
default:
return("");
}
}
