public override Task Using_static_string_Equals_with_StringComparison_throws_informative_error(bool async)
{
return(AssertTranslationFailedWithDetails(
() => AssertQuery(
async,
ss => ss.Set <Customer>().Where(c => string.Equals(c.CustomerID, "ALFKI", StringComparison.InvariantCulture))),
MySqlStrings.QueryUnableToTranslateMethodWithStringComparison(nameof(String), nameof(string.Equals), nameof(MySqlDbContextOptionsBuilder.EnableStringComparisonTranslations))));
}
protected override Expression VisitMethodCall(MethodCallExpression methodCallExpression)
{
if (NewArrayExpressionSupportMethodInfos.Contains(methodCallExpression.Method))
{
var arguments = new Expression[methodCallExpression.Arguments.Count];
for (var i = 0; i < arguments.Length; i++)
{
var argument = methodCallExpression.Arguments[i];
if (argument is NewArrayExpression newArrayExpression)
{
if (TranslationFailed(argument, VisitMethodCallNewArray(newArrayExpression), out var sqlExpression))
{
return(null);
}
arguments[i] = sqlExpression;
}
else
{
arguments[i] = argument;
}
}
methodCallExpression = methodCallExpression.Update(methodCallExpression.Object, arguments);
}
var result = base.VisitMethodCall(methodCallExpression);
if (result == null &&
MySqlStringComparisonMethodTranslator.StringComparisonMethodInfos.Any(m => m == methodCallExpression.Method))
{
var message = MySqlStrings.QueryUnableToTranslateMethodWithStringComparison(
methodCallExpression.Method.DeclaringType.Name,
methodCallExpression.Method.Name,
nameof(MySqlDbContextOptionsBuilder.EnableStringComparisonTranslations));
// EF Core returns an error message on its own, when the string.Equals() methods (static and non-static) are being used with
// a `StringComparison` parameter.
// Since we also support other translations, but all of them only when opted in, we will replace the EF Core error message
// with our own, that is more appropriate for our case.
if (TranslationErrorDetails.Contains(CoreStrings.QueryUnableToTranslateStringEqualsWithStringComparison))
{
var translationErrorDetails = TranslationErrorDetails;
ResetTranslationErrorDetails();
message = translationErrorDetails.Replace(CoreStrings.QueryUnableToTranslateStringEqualsWithStringComparison, message);
}
AddTranslationErrorDetails(message);
}
return(result);
}
