private static Array GetArray(Array source, Type childTargetType, IColumnInfo columnInfo)
{
// Handle struct type cases manually to prevent unboxing and boxing again
if (childTargetType == typeof(TimeUuid))
{
var arrSource = (Guid[])source;
var result = new TimeUuid[source.Length];
for (var i = 0; i < arrSource.Length; i++)
{
result[i] = arrSource[i];
}
return(result);
}
if (childTargetType == typeof(DateTime))
{
var arrSource = (DateTimeOffset[])source;
var result = new DateTime[source.Length];
for (var i = 0; i < arrSource.Length; i++)
{
result[i] = arrSource[i].DateTime;
}
return(result);
}
// Other collections
var childColumnInfo = ((ICollectionColumnInfo)columnInfo).GetChildType();
var arr = Array.CreateInstance(childTargetType, source.Length);
for (var i = 0; i < source.Length; i++)
{
arr.SetValue(TryConvertToType(source.GetValue(i), childColumnInfo, childTargetType), i);
}
return(arr);
}
private static Array GetArray(Array source, Type childTargetType, IColumnInfo columnInfo)
{
// Handle struct type cases manually to prevent unboxing and boxing again
if (childTargetType.GetTypeInfo().IsAssignableFrom(typeof(TimeUuid)))
{
var arrSource = (Guid[])source;
var result = new TimeUuid[source.Length];
for (var i = 0; i < arrSource.Length; i++)
{
result[i] = arrSource[i];
}
return(result);
}
if (childTargetType.GetTypeInfo().IsAssignableFrom(typeof(DateTime)))
{
var arrSource = (DateTimeOffset[])source;
var result = new DateTime[source.Length];
for (var i = 0; i < arrSource.Length; i++)
{
result[i] = arrSource[i].DateTime;
}
return(result);
}
// Other collections
var childColumnInfo = ((ICollectionColumnInfo)columnInfo).GetChildType();
var arr = Array.CreateInstance(childTargetType, source.Length);
bool?isNullable = null;
for (var i = 0; i < source.Length; i++)
{
var value = source.GetValue(i);
if (value == null)
{
if (isNullable == null)
{
isNullable = !childTargetType.GetTypeInfo().IsValueType;
}
if (!isNullable.Value)
{
var nullableType = typeof(Nullable <>).MakeGenericType(childTargetType);
var newResult = Array.CreateInstance(nullableType, source.Length);
for (var j = 0; j < i; j++)
{
newResult.SetValue(arr.GetValue(j), j);
}
arr = newResult;
childTargetType = nullableType;
isNullable = true;
}
}
arr.SetValue(TryConvertToType(source.GetValue(i), childColumnInfo, childTargetType), i);
}
return(arr);
}
