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56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
#pragma once
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#include <Databases/DatabaseOnDisk.h>
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#include <boost/smart_ptr/atomic_shared_ptr.hpp>
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#include <ext/scope_guard.h>
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namespace DB
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{
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class Context;
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class ExternalDictionariesLoader;
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class DatabaseWithDictionaries : public DatabaseOnDisk
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{
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public:
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void attachDictionary(const String & dictionary_name, const DictionaryAttachInfo & attach_info) override;
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void detachDictionary(const String & dictionary_name) override;
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void createDictionary(const Context & context,
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const String & dictionary_name,
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const ASTPtr & query) override;
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void removeDictionary(const Context & context, const String & dictionary_name) override;
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bool isDictionaryExist(const String & dictionary_name) const override;
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DatabaseDictionariesIteratorPtr getDictionariesIterator(const FilterByNameFunction & filter_by_dictionary_name) override;
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Poco::AutoPtr<Poco::Util::AbstractConfiguration> getDictionaryConfiguration(const String & /*name*/) const override;
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time_t getObjectMetadataModificationTime(const String & object_name) const override;
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bool empty() const override;
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void shutdown() override;
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~DatabaseWithDictionaries() override;
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protected:
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DatabaseWithDictionaries(const String & name, const String & metadata_path_, const String & data_path_, const String & logger, const Context & context);
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ASTPtr getCreateDictionaryQueryImpl(const String & dictionary_name, bool throw_on_error) const override;
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std::unordered_map<String, DictionaryAttachInfo> dictionaries;
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const ExternalDictionariesLoader & external_loader;
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private:
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void detachDictionaryImpl(const String & dictionary_name, DictionaryAttachInfo & attach_info);
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void reloadDictionaryConfig(const String & full_name);
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boost::atomic_shared_ptr<ext::scope_guard> database_as_config_repo_for_external_loader;
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};
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}
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