private SqlExpression ApplyTypeMappingOnSqlUnary(
SqlUnaryExpression sqlUnaryExpression, CoreTypeMapping?typeMapping)
{
SqlExpression operand;
CoreTypeMapping resultTypeMapping;
switch (sqlUnaryExpression.OperatorType)
{
case ExpressionType.Equal:
case ExpressionType.NotEqual:
case ExpressionType.Not:
resultTypeMapping = _boolTypeMapping;
operand = ApplyDefaultTypeMapping(sqlUnaryExpression.Operand);
break;
case ExpressionType.Convert:
resultTypeMapping = typeMapping;
operand = ApplyDefaultTypeMapping(sqlUnaryExpression.Operand);
break;
case ExpressionType.Negate:
resultTypeMapping = typeMapping;
operand = ApplyTypeMapping(sqlUnaryExpression.Operand, typeMapping);
break;
default:
throw new InvalidOperationException(CoreStrings.TranslationFailed(sqlUnaryExpression.Print()));
}
return(new SqlUnaryExpression(
sqlUnaryExpression.OperatorType,
operand,
sqlUnaryExpression.Type,
resultTypeMapping));
}
/// <summary> /// This is an internal API that supports the Entity Framework Core infrastructure and not subject to /// the same compatibility standards as public APIs. It may be changed or removed without notice in /// any release. You should only use it directly in your code with extreme caution and knowing that /// doing so can result in application failures when updating to a new Entity Framework Core release. /// </summary> protected abstract Expression VisitSqlUnary(SqlUnaryExpression sqlUnaryExpression);
protected override Expression VisitSqlUnary(SqlUnaryExpression sqlUnaryExpression)
{
throw new NotImplementedException();
}
