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https://github.com/ClickHouse/ClickHouse.git
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58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
#include <Interpreters/ExternalDictionariesLoader.h>
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#include <Dictionaries/DictionaryFactory.h>
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#include <Dictionaries/DictionaryStructure.h>
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#if !defined(ARCADIA_BUILD)
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# include "config_core.h"
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#endif
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#if USE_MYSQL
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# include <mysqlxx/PoolFactory.h>
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#endif
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namespace DB
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{
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/// Must not acquire Context lock in constructor to avoid possibility of deadlocks.
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ExternalDictionariesLoader::ExternalDictionariesLoader(Context & context_)
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: ExternalLoader("external dictionary", &Poco::Logger::get("ExternalDictionariesLoader"))
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, context(context_)
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{
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setConfigSettings({"dictionary", "name", "database"});
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enableAsyncLoading(true);
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enablePeriodicUpdates(true);
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}
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ExternalLoader::LoadablePtr ExternalDictionariesLoader::create(
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const std::string & name, const Poco::Util::AbstractConfiguration & config,
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const std::string & key_in_config, const std::string & repository_name) const
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{
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/// For dictionaries from databases (created with DDL queries) we have to perform
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/// additional checks, so we identify them here.
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bool dictionary_from_database = !repository_name.empty();
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return DictionaryFactory::instance().create(name, config, key_in_config, context, dictionary_from_database);
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}
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DictionaryStructure
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ExternalDictionariesLoader::getDictionaryStructure(const Poco::Util::AbstractConfiguration & config, const std::string & key_in_config)
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{
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return {config, key_in_config + ".structure"};
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}
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DictionaryStructure ExternalDictionariesLoader::getDictionaryStructure(const ObjectConfig & config)
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{
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return getDictionaryStructure(*config.config, config.key_in_config);
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}
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void ExternalDictionariesLoader::resetAll()
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{
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#if USE_MYSQL
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mysqlxx::PoolFactory::instance().reset();
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#endif
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}
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}
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