private static DataObject Evaluate(DataObject left, SqlExpressionType binaryType, DataObject right, EvaluateContext context)
{
if (binaryType.IsAll())
{
return(left.Any(binaryType.SubQueryPlainType(), right, context));
}
if (binaryType.IsAny())
{
return(left.All(binaryType.SubQueryPlainType(), right, context));
}
switch (binaryType)
{
case SqlExpressionType.Add:
return(left.Add(right));
case SqlExpressionType.Subtract:
return(left.Subtract(right));
case SqlExpressionType.Multiply:
return(left.Multiply(right));
case SqlExpressionType.Divide:
return(left.Divide(right));
case SqlExpressionType.Modulo:
return(left.Modulus(right));
case SqlExpressionType.GreaterThan:
return(left.IsGreaterThan(right));
case SqlExpressionType.GreaterOrEqualThan:
return(left.IsGreterOrEqualThan(right));
case SqlExpressionType.SmallerThan:
return(left.IsSmallerThan(right));
case SqlExpressionType.SmallerOrEqualThan:
return(left.IsSmallerOrEqualThan(right));
case SqlExpressionType.Equal:
return(left.IsEqualTo(right));
case SqlExpressionType.NotEqual:
return(left.IsNotEqualTo(right));
case SqlExpressionType.Is:
return(left.Is(right));
case SqlExpressionType.IsNot:
return(left.IsNot(right));
case SqlExpressionType.Like:
return(left.IsLike(right));
case SqlExpressionType.NotLike:
return(left.IsNotLike(right));
case SqlExpressionType.And:
return(left.And(right));
case SqlExpressionType.Or:
return(left.Or(right));
case SqlExpressionType.XOr:
return(left.XOr(right));
// TODO: ANY and ALL
default:
throw new ExpressionEvaluateException(String.Format("The type {0} is not a binary expression or is not supported.", binaryType));
}
}
