mirror of
https://github.com/ClickHouse/ClickHouse.git
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112 lines
5.2 KiB
C++
112 lines
5.2 KiB
C++
#include <Columns/ColumnString.h>
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#include <DataTypes/DataTypeString.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <DataStreams/OneBlockInputStream.h>
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#include <Interpreters/ProcessList.h>
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#include <Storages/System/StorageSystemProcesses.h>
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#include <Interpreters/Context.h>
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namespace DB
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{
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StorageSystemProcesses::StorageSystemProcesses(const std::string & name_)
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: name(name_)
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{
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setColumns(ColumnsDescription({
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{ "is_initial_query", std::make_shared<DataTypeUInt8>() },
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{ "user", std::make_shared<DataTypeString>() },
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{ "query_id", std::make_shared<DataTypeString>() },
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{ "address", std::make_shared<DataTypeString>() },
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{ "port", std::make_shared<DataTypeUInt16>() },
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{ "initial_user", std::make_shared<DataTypeString>() },
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{ "initial_query_id", std::make_shared<DataTypeString>() },
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{ "initial_address", std::make_shared<DataTypeString>() },
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{ "initial_port", std::make_shared<DataTypeUInt16>() },
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{ "interface", std::make_shared<DataTypeUInt8>() },
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{ "os_user", std::make_shared<DataTypeString>() },
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{ "client_hostname", std::make_shared<DataTypeString>() },
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{ "client_name", std::make_shared<DataTypeString>() },
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{ "client_version_major", std::make_shared<DataTypeUInt64>() },
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{ "client_version_minor", std::make_shared<DataTypeUInt64>() },
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{ "client_revision", std::make_shared<DataTypeUInt64>() },
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{ "http_method", std::make_shared<DataTypeUInt8>() },
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{ "http_user_agent", std::make_shared<DataTypeString>() },
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{ "quota_key", std::make_shared<DataTypeString>() },
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{ "elapsed", std::make_shared<DataTypeFloat64>() },
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{ "is_cancelled", std::make_shared<DataTypeUInt8>() },
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{ "read_rows", std::make_shared<DataTypeUInt64>() },
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{ "read_bytes", std::make_shared<DataTypeUInt64>() },
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{ "total_rows_approx", std::make_shared<DataTypeUInt64>() },
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{ "written_rows", std::make_shared<DataTypeUInt64>() },
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{ "written_bytes", std::make_shared<DataTypeUInt64>() },
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{ "memory_usage", std::make_shared<DataTypeInt64>() },
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{ "peak_memory_usage", std::make_shared<DataTypeInt64>() },
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{ "query", std::make_shared<DataTypeString>() },
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}));
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}
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BlockInputStreams StorageSystemProcesses::read(
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const Names & column_names,
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const SelectQueryInfo &,
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const Context & context,
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QueryProcessingStage::Enum & processed_stage,
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const size_t /*max_block_size*/,
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const unsigned /*num_streams*/)
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{
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check(column_names);
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processed_stage = QueryProcessingStage::FetchColumns;
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ProcessList::Info info = context.getProcessList().getInfo();
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MutableColumns res_columns = getSampleBlock().cloneEmptyColumns();
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for (const auto & process : info)
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{
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size_t i = 0;
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res_columns[i++]->insert(UInt64(process.client_info.query_kind == ClientInfo::QueryKind::INITIAL_QUERY));
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res_columns[i++]->insert(process.client_info.current_user);
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res_columns[i++]->insert(process.client_info.current_query_id);
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res_columns[i++]->insert(process.client_info.current_address.host().toString());
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res_columns[i++]->insert(UInt64(process.client_info.current_address.port()));
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res_columns[i++]->insert(process.client_info.initial_user);
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res_columns[i++]->insert(process.client_info.initial_query_id);
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res_columns[i++]->insert(process.client_info.initial_address.host().toString());
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res_columns[i++]->insert(UInt64(process.client_info.initial_address.port()));
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res_columns[i++]->insert(UInt64(process.client_info.interface));
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res_columns[i++]->insert(process.client_info.os_user);
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res_columns[i++]->insert(process.client_info.client_hostname);
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res_columns[i++]->insert(process.client_info.client_name);
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res_columns[i++]->insert(process.client_info.client_version_major);
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res_columns[i++]->insert(process.client_info.client_version_minor);
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res_columns[i++]->insert(UInt64(process.client_info.client_revision));
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res_columns[i++]->insert(UInt64(process.client_info.http_method));
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res_columns[i++]->insert(process.client_info.http_user_agent);
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res_columns[i++]->insert(process.client_info.quota_key);
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res_columns[i++]->insert(process.elapsed_seconds);
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res_columns[i++]->insert(UInt64(process.is_cancelled));
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res_columns[i++]->insert(UInt64(process.read_rows));
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res_columns[i++]->insert(UInt64(process.read_bytes));
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res_columns[i++]->insert(UInt64(process.total_rows));
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res_columns[i++]->insert(UInt64(process.written_rows));
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res_columns[i++]->insert(UInt64(process.written_bytes));
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res_columns[i++]->insert(process.memory_usage);
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res_columns[i++]->insert(process.peak_memory_usage);
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res_columns[i++]->insert(process.query);
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}
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return BlockInputStreams(1, std::make_shared<OneBlockInputStream>(getSampleBlock().cloneWithColumns(std::move(res_columns))));
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}
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}
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