public IClickHouseColumnWriter CreateColumnWriter <T>(string columnName, IReadOnlyList <T> rows, ClickHouseColumnSettings?columnSettings)
{
if (_elementTypeInfo == null)
{
throw new ClickHouseException(ClickHouseErrorCodes.TypeNotFullySpecified, $"The type \"{ComplexTypeName}\" is not fully specified.");
}
Type?elementType = null;
foreach (var genericItf in typeof(T).GetInterfaces().Where(itf => itf.IsGenericType))
{
if (genericItf.GetGenericTypeDefinition() != typeof(IReadOnlyList <>))
{
continue;
}
if (elementType == null)
{
elementType = genericItf.GetGenericArguments()[0];
}
else
{
var elementTypeCandidate = genericItf.GetGenericArguments()[0];
if (elementType.IsAssignableFrom(elementTypeCandidate))
{
elementType = elementTypeCandidate;
}
else if (!elementTypeCandidate.IsAssignableFrom(elementType))
{
throw new ClickHouseException(ClickHouseErrorCodes.TypeNotSupported, $"Can't detect a type of the array's element. Candidates are: \"{elementType}\" and \"{elementTypeCandidate}\".");
}
}
}
if (elementType == null)
{
throw new ClickHouseException(ClickHouseErrorCodes.TypeNotSupported, $"Can't detect a type of the array's element. The type \"{typeof(T)}\" doesn't implement \"{typeof(IReadOnlyList<>)}\".");
}
var dispatcher = new ArrayColumnWriterDispatcher(columnName, ComplexTypeName, rows, columnSettings, _elementTypeInfo);
return(TypeDispatcher.Dispatch(elementType, dispatcher));
}
public IClickHouseColumnWriter CreateColumnWriter <T>(string columnName, IReadOnlyList <T> rows, ClickHouseColumnSettings?columnSettings)
{
if (_elementTypeInfo == null)
{
throw new ClickHouseException(ClickHouseErrorCodes.TypeNotFullySpecified, $"The type \"{ComplexTypeName}\" is not fully specified.");
}
var rowType = typeof(T);
Type?elementType = null;
if (rowType.IsArray)
{
var rank = rowType.GetArrayRank();
if (rank > 1)
{
elementType = rowType.GetElementType() !;
Debug.Assert(elementType != null);
var listAdapterInfo = MultiDimensionalArrayReadOnlyListAdapter.Dispatch(elementType, rowType.GetArrayRank());
var mdaDispatcher = new MultiDimensionalArrayColumnWriterDispatcher(
columnName,
(IReadOnlyList <Array>)rows,
columnSettings,
_elementTypeInfo,
listAdapterInfo.createList);
return(TypeDispatcher.Dispatch(listAdapterInfo.listElementType, mdaDispatcher));
}
}
foreach (var genericItf in rowType.GetInterfaces().Where(itf => itf.IsGenericType))
{
if (genericItf.GetGenericTypeDefinition() != typeof(IReadOnlyList <>))
{
continue;
}
if (elementType == null)
{
elementType = genericItf.GetGenericArguments()[0];
}
else
{
var elementTypeCandidate = genericItf.GetGenericArguments()[0];
if (elementType.IsAssignableFrom(elementTypeCandidate))
{
elementType = elementTypeCandidate;
}
else if (!elementTypeCandidate.IsAssignableFrom(elementType))
{
throw new ClickHouseException(
ClickHouseErrorCodes.TypeNotSupported,
$"Can't detect a type of the array's element. Candidates are: \"{elementType}\" and \"{elementTypeCandidate}\".");
}
}
}
ArrayColumnWriterDispatcherBase dispatcher;
if (elementType == null)
{
var rowGenericTypeDef = rowType.GetGenericTypeDefinition();
if (rowGenericTypeDef == typeof(ReadOnlyMemory <>))
{
elementType = rowType.GetGenericArguments()[0] !;
dispatcher = new ReadOnlyColumnWriterDispatcher(columnName, rows, columnSettings, _elementTypeInfo);
}
else if (rowGenericTypeDef == typeof(Memory <>))
{
elementType = rowType.GetGenericArguments()[0] !;
dispatcher = new MemoryColumnWriterDispatcher(columnName, rows, columnSettings, _elementTypeInfo);
}
else
{
throw new ClickHouseException(
ClickHouseErrorCodes.TypeNotSupported,
$"Can't detect a type of the array's element. The type \"{typeof(T)}\" doesn't implement \"{typeof(IReadOnlyList<>)}\".");
}
}
else
{
dispatcher = new ArrayColumnWriterDispatcher(columnName, rows, columnSettings, _elementTypeInfo);
}
try
{
return(TypeDispatcher.Dispatch(elementType, dispatcher));
}
catch (ClickHouseException ex) when(ex.ErrorCode == ClickHouseErrorCodes.TypeNotSupported)
{
throw new ClickHouseException(ex.ErrorCode, $"The type \"{rowType}\" can't be converted to the ClickHouse type \"{ComplexTypeName}\". See the inner exception for details.", ex);
}
}
