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30 lines
795 B
C++
30 lines
795 B
C++
#pragma once
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#include <common/shared_ptr_helper.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 the `mutations` system table, which provides information about the status of mutations
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/// in the MergeTree tables.
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class StorageSystemMutations final : public shared_ptr_helper<StorageSystemMutations>, public IStorageSystemOneBlock<StorageSystemMutations>
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{
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friend struct shared_ptr_helper<StorageSystemMutations>;
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public:
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String getName() const override { return "SystemMutations"; }
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static NamesAndTypesList getNamesAndTypes();
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protected:
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using IStorageSystemOneBlock::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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