761417898 commented on code in PR #522:
URL: https://github.com/apache/tsfile/pull/522#discussion_r2163245589
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cpp/src/file/tsfile_io_reader.cc:
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@@ -223,15 +223,52 @@ int TsFileIOReader::load_timeseries_index_for_ssi(
if (RET_FAIL(load_device_index_entry(
std::make_shared<DeviceIDComparable>(device_id), device_index_entry,
device_ie_end_offset))) {
- } else if (RET_FAIL(load_measurement_index_entry(
- measurement_name, device_index_entry->get_offset(),
- device_ie_end_offset, measurement_index_entry,
+ return ret;
+ }
+ auto& pa = ssi->timeseries_index_pa_;
+
+ int start_offset = device_index_entry->get_offset(), end_offset =
+ device_ie_end_offset;
+ ASSERT(start_offset < end_offset);
+ const int32_t read_size = end_offset - start_offset;
+ int32_t ret_read_len = 0;
+ char* data_buf = (char*)pa.alloc(read_size);
+ void* m_idx_node_buf = pa.alloc(sizeof(MetaIndexNode));
+ if (IS_NULL(data_buf) || IS_NULL(m_idx_node_buf)) {
+ return E_OOM;
+ }
Review Comment:
Memory is managed by `SingleDeviceTsBlockReader.PageArena` and released upon
query completion
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