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53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
#pragma once
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#include <DB/Storages/AlterCommands.h>
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#include <string>
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namespace DB
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{
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class StorageReplicatedMergeTree;
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/** Описание задачи перешардирования.
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*/
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struct ReshardingJob final
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{
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public:
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ReshardingJob() = default;
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/// Создаёт описание на основе его сериализованного представления.
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ReshardingJob(const std::string & serialized_job);
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ReshardingJob(const std::string & database_name_, const std::string & table_name_,
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const std::string & partition_, const WeightedZooKeeperPaths & paths_,
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const ASTPtr & sharding_key_expr_, const std::string & coordinator_id_);
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ReshardingJob(const ReshardingJob &) = delete;
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ReshardingJob & operator=(const ReshardingJob &) = delete;
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ReshardingJob(ReshardingJob &&) = default;
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ReshardingJob & operator=(ReshardingJob &&) = default;
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operator bool() const;
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/// Сериализует описание задачи.
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std::string toString() const;
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bool isCoordinated() const;
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void clear();
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public:
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std::string database_name;
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std::string table_name;
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std::string partition;
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WeightedZooKeeperPaths paths;
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ASTPtr sharding_key_expr;
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std::string coordinator_id;
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StorageReplicatedMergeTree * storage = nullptr;
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UInt64 block_number = 0;
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bool is_aborted = false;
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};
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}
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