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31 lines
875 B
C++
31 lines
875 B
C++
#pragma once
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#include <Storages/MergeTree/MergeTreeSettings.h>
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#include <Storages/System/IStorageSystemOneBlock.h>
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namespace DB
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{
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class Context;
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/** implements system table "merge_tree_settings" and "replicated_merge_tree_settings",
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* which allows to get information about the current MergeTree settings.
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*/
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template <bool replicated>
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class SystemMergeTreeSettings final : public IStorageSystemOneBlock<SystemMergeTreeSettings<replicated>>
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{
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public:
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std::string getName() const override { return replicated ? "SystemReplicatedMergeTreeSettings" : "SystemMergeTreeSettings"; }
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static NamesAndTypesList getNamesAndTypes();
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protected:
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using IStorageSystemOneBlock<SystemMergeTreeSettings<replicated>>::IStorageSystemOneBlock;
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void fillData(MutableColumns & res_columns, ContextPtr context, const SelectQueryInfo & query_info) const override;
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};
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}
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