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37 lines
837 B
C++
37 lines
837 B
C++
#pragma once
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#include <ext/shared_ptr_helper.h>
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#include <Storages/IStorage.h>
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namespace DB
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{
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class Context;
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/** Implements `metrics` system table, which provides information about the operation of the server.
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*/
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class StorageSystemMetrics : public ext::shared_ptr_helper<StorageSystemMetrics>, public IStorage
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{
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public:
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std::string getName() const override { return "SystemMetrics"; }
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std::string getTableName() const override { return name; }
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BlockInputStreams read(
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const Names & column_names,
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const SelectQueryInfo & query_info,
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const Context & context,
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QueryProcessingStage::Enum & processed_stage,
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size_t max_block_size,
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unsigned num_streams) override;
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private:
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const std::string name;
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protected:
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StorageSystemMetrics(const std::string & name_);
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};
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}
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