/// <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>
public virtual Expression CreateReadValueExpression(
Expression valueBuffer,
Type type,
int index)
=> Expression.Call(
TryReadValueMethod.MakeGenericMethod(type),
valueBuffer,
Expression.Constant(index));
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual Expression CreateReadValueExpression(
Expression valueBuffer,
Type type,
int index,
IProperty property)
=> Expression.Call(
TryReadValueMethod.MakeGenericMethod(type),
valueBuffer,
Expression.Constant(index),
Expression.Constant(property, typeof(IPropertyBase)));
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual Expression CreateReadValueExpression(
Expression valueBuffer,
Type type,
int index,
IProperty property)
{
var converter = property?.FindMapping()?.Converter;
if (converter != null)
{
// If the type is an exact match, then use the generic converter directly to
// avoid additional boxing and conversions. This should be the common case.
if (type == converter.ModelType)
{
return(Expression.Call(
TryReadValueWithConvertMethod.MakeGenericMethod(converter.ModelType, converter.StoreType),
valueBuffer,
Expression.Constant(index),
Expression.Constant(converter.RawConvertFromStore),
Expression.Constant(property, typeof(IPropertyBase))));
}
return(Expression.Call(
TryReadValueWithObjectConvertMethod.MakeGenericMethod(type),
valueBuffer,
Expression.Constant(index),
Expression.Constant(converter.ConvertFromStore),
Expression.Constant(property, typeof(IPropertyBase))));
}
return(Expression.Call(
TryReadValueMethod.MakeGenericMethod(type),
valueBuffer,
Expression.Constant(index),
Expression.Constant(property, typeof(IPropertyBase))));
}
