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42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#pragma once
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#include <Databases/DatabaseOnDisk.h>
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#include <Common/ThreadPool.h>
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namespace DB
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{
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/** Default engine of databases.
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* It stores tables list in filesystem using list of .sql files,
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* that contain declaration of table represented by SQL ATTACH TABLE query.
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*/
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class DatabaseOrdinary : public DatabaseOnDisk
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{
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public:
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DatabaseOrdinary(const String & name_, const String & metadata_path_, ContextPtr context);
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DatabaseOrdinary(
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const String & name_, const String & metadata_path_, const String & data_path_, const String & logger, ContextPtr context_);
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String getEngineName() const override { return "Ordinary"; }
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void loadStoredObjects(ContextMutablePtr context, bool has_force_restore_data_flag, bool force_attach) override;
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void alterTable(
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ContextPtr context,
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const StorageID & table_id,
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const StorageInMemoryMetadata & metadata) override;
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protected:
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virtual void commitAlterTable(
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const StorageID & table_id,
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const String & table_metadata_tmp_path,
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const String & table_metadata_path,
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const String & statement,
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ContextPtr query_context);
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void startupTables(ThreadPool & thread_pool);
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};
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}
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