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[Fix](parquet-reader) Fix parquet reader crash in set_dict(). #40643

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merged 1 commit into from
Sep 13, 2024
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[Fix](parquet-reader) Fix parquet reader crash in set_dict(). #40643

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3 changes: 3 additions & 0 deletions be/src/vec/exec/format/parquet/byte_array_dict_decoder.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,9 @@ namespace doris::vectorized {
Status ByteArrayDictDecoder::set_dict(std::unique_ptr<uint8_t[]>& dict, int32_t length,
size_t num_values) {
_dict = std::move(dict);
if (_dict == nullptr) {
return Status::Corruption("Wrong dictionary data for byte array type, dict is null.");
}
_dict_items.reserve(num_values);
uint32_t offset_cursor = 0;
char* dict_item_address = reinterpret_cast<char*>(_dict.get());
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3 changes: 3 additions & 0 deletions be/src/vec/exec/format/parquet/fix_length_dict_decoder.hpp
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Expand Up @@ -107,6 +107,9 @@ class FixLengthDictDecoder final : public BaseDictDecoder {
return Status::Corruption("Wrong dictionary data for fixed length type");
}
_dict = std::move(dict);
if (_dict == nullptr) {
return Status::Corruption("Wrong dictionary data for byte array type, dict is null.");
}
char* dict_item_address = reinterpret_cast<char*>(_dict.get());
_dict_items.resize(num_values);
for (size_t i = 0; i < num_values; ++i) {
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