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35 lines
1.0 KiB
C++
35 lines
1.0 KiB
C++
#pragma once
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#include <Poco/Util/Application.h>
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#include <Poco/Util/LayeredConfiguration.h>
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#include <Interpreters/DDLWorker.h>
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#include <Storages/System/IStorageSystemOneBlock.h>
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#include <ext/shared_ptr_helper.h>
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namespace DB
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{
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class Context;
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/** System table "distributed_ddl_queue" with list of queries that are currently in the DDL worker queue.
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*/
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class StorageSystemDDLWorkerQueue final : public ext::shared_ptr_helper<StorageSystemDDLWorkerQueue>,
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public IStorageSystemOneBlock<StorageSystemDDLWorkerQueue>
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{
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friend struct ext::shared_ptr_helper<StorageSystemDDLWorkerQueue>;
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Poco::Util::LayeredConfiguration & config = Poco::Util::Application::instance().config();
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protected:
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void fillData(MutableColumns & res_columns, const Context & context, const SelectQueryInfo & query_info) const override;
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using IStorageSystemOneBlock::IStorageSystemOneBlock;
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public:
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std::string getName() const override { return "SystemDDLWorkerQueue"; }
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static NamesAndTypesList getNamesAndTypes();
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};
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}
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