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80 lines
3.2 KiB
C++
80 lines
3.2 KiB
C++
#include "Storages/ColumnsDescription.h"
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#include <base/getFQDNOrHostName.h>
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#include <DataTypes/DataTypeDate.h>
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#include <DataTypes/DataTypeDateTime.h>
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#include <DataTypes/DataTypeLowCardinality.h>
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#include <DataTypes/DataTypeString.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <DataTypes/DataTypeMap.h>
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#include <Interpreters/ProfileEventsExt.h>
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#include <Interpreters/FilesystemCacheLog.h>
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namespace DB
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{
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static String typeToString(FilesystemCacheLogElement::CacheType type)
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{
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return String(magic_enum::enum_name(type));
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}
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ColumnsDescription FilesystemCacheLogElement::getColumnsDescription()
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{
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DataTypes types{
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std::make_shared<DataTypeNumber<UInt64>>(),
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std::make_shared<DataTypeNumber<UInt64>>(),
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};
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return ColumnsDescription
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{
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{"hostname", std::make_shared<DataTypeLowCardinality>(std::make_shared<DataTypeString>()), "Hostname"},
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{"event_date", std::make_shared<DataTypeDate>(), "Event date"},
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{"event_time", std::make_shared<DataTypeDateTime>(), "Event time"},
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{"query_id", std::make_shared<DataTypeString>(), "Id of the query"},
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{"source_file_path", std::make_shared<DataTypeString>(), "File segment path on filesystem"},
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{"file_segment_range", std::make_shared<DataTypeTuple>(types), "File segment range"},
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{"total_requested_range", std::make_shared<DataTypeTuple>(types), "Full read range"},
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{"key", std::make_shared<DataTypeString>(), "File segment key"},
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{"offset", std::make_shared<DataTypeUInt64>(), "File segment offset"},
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{"size", std::make_shared<DataTypeUInt64>(), "Read size"},
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{"read_type", std::make_shared<DataTypeString>(), "Read type: READ_FROM_CACHE, READ_FROM_FS_AND_DOWNLOADED_TO_CACHE, READ_FROM_FS_BYPASSING_CACHE"},
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{"read_from_cache_attempted", std::make_shared<DataTypeUInt8>(), "Whether reading from cache was attempted"},
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{"ProfileEvents", std::make_shared<DataTypeMap>(std::make_shared<DataTypeString>(), std::make_shared<DataTypeUInt64>()), "Profile events collected while reading this file segment"},
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{"read_buffer_id", std::make_shared<DataTypeString>(), "Internal implementation read buffer id"},
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};
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}
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void FilesystemCacheLogElement::appendToBlock(MutableColumns & columns) const
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{
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size_t i = 0;
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columns[i++]->insert(getFQDNOrHostName());
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columns[i++]->insert(DateLUT::instance().toDayNum(event_time).toUnderType());
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columns[i++]->insert(event_time);
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columns[i++]->insert(query_id);
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columns[i++]->insert(source_file_path);
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columns[i++]->insert(Tuple{file_segment_range.first, file_segment_range.second});
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columns[i++]->insert(Tuple{requested_range.first, requested_range.second});
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columns[i++]->insert(file_segment_key);
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columns[i++]->insert(file_segment_offset);
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columns[i++]->insert(file_segment_size);
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columns[i++]->insert(typeToString(cache_type));
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columns[i++]->insert(read_from_cache_attempted);
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if (profile_counters)
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{
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auto * column = columns[i++].get();
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ProfileEvents::dumpToMapColumn(*profile_counters, column, true);
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}
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else
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{
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columns[i++]->insertDefault();
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}
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columns[i++]->insert(read_buffer_id);
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}
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}
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