public ArrayColumnWriter(string columnType, ArrayLinearizedList <T> rows, IClickHouseColumnWriter elementColumnWriter)
{
_rows = rows;
_elementColumnWriter = elementColumnWriter;
ColumnName = elementColumnWriter.ColumnName;
ColumnType = columnType;
}
public MapColumnWriter(IClickHouseColumnWriter underlyingWriter)
{
const string typeNameStart = "Array(Tuple", typeNameEnd = ")";
var typeName = underlyingWriter.ColumnType;
if (!typeName.StartsWith(typeNameStart) || !typeName.EndsWith(typeNameEnd))
{
throw new ClickHouseException(ClickHouseErrorCodes.InternalError, $"Internal error. The name of the type \"{typeName}\" doesn't match to the expected pattern \"{Regex.Escape(typeNameStart)}.*{Regex.Escape(typeNameEnd)}\".");
}
ColumnType = "Map" + typeName[typeNameStart.Length..^ typeNameEnd.Length];
public NullableColumnWriter(string columnName, string columnType, IReadOnlyList <T> rows, ClickHouseColumnSettings?columnSettings, IClickHouseColumnTypeInfo underlyingTypeInfo)
{
if (underlyingTypeInfo == null)
{
throw new ArgumentNullException(nameof(underlyingTypeInfo));
}
_rows = rows ?? throw new ArgumentNullException(nameof(rows));
ColumnName = columnName ?? throw new ArgumentNullException(nameof(columnName));
ColumnType = columnType ?? throw new ArgumentNullException(nameof(columnType));
if (typeof(T).IsValueType && typeof(T).IsGenericType && typeof(T).GetGenericTypeDefinition() == typeof(Nullable <>))
{
var valueType = typeof(T).GetGenericArguments()[0];
var dispatcherType = typeof(ValueOrDefaultListDispatcher <>).MakeGenericType(valueType);
var columnDispatcher = (IValueOrDefaultListDispatcherBase)Activator.CreateInstance(dispatcherType) !;
_internalColumnWriter = columnDispatcher.Dispatch(columnName, rows, columnSettings, underlyingTypeInfo);
}
else
{
_internalColumnWriter = underlyingTypeInfo.CreateColumnWriter(columnName, rows, columnSettings);
}
}
