yiguolei commented on code in PR #19000:
URL: https://github.com/apache/doris/pull/19000#discussion_r1175122379
##########
be/src/vec/exec/scan/vfile_scanner.cpp:
##########
@@ -574,40 +574,40 @@ Status VFileScanner::_get_next_reader() {
// TODO: use data lake type
switch (_params.format_type) {
case TFileFormatType::FORMAT_PARQUET: {
- ParquetReader* parquet_reader =
- new ParquetReader(_profile, _params, range,
_state->query_options().batch_size,
-
const_cast<cctz::time_zone*>(&_state->timezone_obj()),
- _io_ctx.get(), _state, _kv_cache);
+ std::unique_ptr<ParquetReader> parquet_reader =
ParquetReader::create_unique(
+ _profile, _params, range,
_state->query_options().batch_size,
+ const_cast<cctz::time_zone*>(&_state->timezone_obj()),
_io_ctx.get(), _state,
+ _kv_cache);
RETURN_IF_ERROR(parquet_reader->open());
if (!_is_load && _push_down_expr == nullptr && _vconjunct_ctx !=
nullptr) {
RETURN_IF_ERROR(_vconjunct_ctx->clone(_state,
&_push_down_expr));
_discard_conjuncts();
}
if (range.__isset.table_format_params &&
range.table_format_params.table_format_type == "iceberg") {
- IcebergTableReader* iceberg_reader =
- new IcebergTableReader((GenericReader*)parquet_reader,
_profile, _state,
- _params, range, _kv_cache,
_io_ctx.get());
+ std::unique_ptr<IcebergTableReader> iceberg_reader =
+
IcebergTableReader::create_unique(parquet_reader.get(), _profile, _state,
Review Comment:
这里应该不对， 在577 行是一个unique ptr，结果iceberg reader 拿到的是裸指针，然后再596 行返回了，所以577
行的unique ptr 会析构调对象，就core了。
你可以再589 行，用 std::move 把 parquet reader move 到iceberg reader 的构造方法里。
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