public Expression SubStringOfMethod(SubStringOfMethod method, LiteralExpression[] arguments)
{
if (arguments.Length == 1)
{
return(arguments[0]);
}
else
{
bool result;
if (LiteralUtil.IsAnyNull(arguments))
{
result = false;
}
else
{
result = LiteralUtil.CoerceString(arguments[1]).IndexOf(
LiteralUtil.CoerceString(arguments[0]),
StringComparison.InvariantCultureIgnoreCase
) != -1;
}
return(new LiteralExpression(result, LiteralType.Boolean));
}
}
public override ICriterion SubStringOfMethod(SubStringOfMethod method, Expression[] arguments)
{
if (arguments[0].Type != ExpressionType.Literal)
{
return(base.SubStringOfMethod(method, arguments));
}
return(CreateLikeCriterion(arguments[1], arguments[0], MatchMode.Anywhere));
}
public virtual TResult SubStringOfMethod(SubStringOfMethod method, Expression[] arguments)
{
throw new QueryNotSupportException();
}