airborne12 commented on code in PR #48890:
URL: https://github.com/apache/doris/pull/48890#discussion_r1990668142
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be/src/olap/rowset/segment_v2/inverted_index_compound_reader.cpp:
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@@ -201,7 +200,9 @@
DorisCompoundReader::DorisCompoundReader(CL_NS(store)::IndexInput* stream, int32
_entries->put(aid, entry);
// read header file data
if (entry->offset < 0) {
- copyFile(entry->file_name.c_str(), entry->length, buffer,
BUFFER_LENGTH);
+ //if offset is -1, it means it's size is lower than
DorisFSDirectory::MAX_HEADER_DATA_SIZE, which is 128k.
+ _copyFile(entry->file_name.c_str(),
static_cast<int32_t>(entry->length), buffer,
Review Comment:
if offset is -1, it means it's size is lower than
DorisFSDirectory::MAX_HEADER_DATA_SIZE, which is 128k.
so entry->length must be lower than int32 max
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