2017-06-22 15:44:19 +00:00
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#pragma once
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#include <mutex>
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2017-06-23 15:55:45 +00:00
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#include <unordered_set>
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#include <Databases/DatabasesCommon.h>
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2017-06-22 15:44:19 +00:00
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#include <Databases/IDatabase.h>
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2019-05-17 14:34:25 +00:00
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#include <Storages/IStorage_fwd.h>
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2017-06-22 15:44:19 +00:00
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2017-06-23 15:55:45 +00:00
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namespace Poco
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{
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2017-06-22 18:00:29 +00:00
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class Logger;
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2017-06-22 15:44:19 +00:00
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}
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namespace DB
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{
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/* Database to store StorageDictionary tables
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* automatically creates tables for all dictionaries
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*/
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2020-03-19 23:48:53 +00:00
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class DatabaseDictionary final : public IDatabase
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2017-06-22 15:44:19 +00:00
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{
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2017-06-23 15:55:45 +00:00
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public:
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2020-04-01 22:41:29 +00:00
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DatabaseDictionary(const String & name_, const Context & global_context);
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2018-05-10 15:56:38 +00:00
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2017-06-22 18:00:29 +00:00
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String getEngineName() const override
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{
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2017-06-22 15:44:19 +00:00
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return "Dictionary";
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}
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2017-09-11 12:39:01 +00:00
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bool isTableExist(
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const Context & context,
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const String & table_name) const override;
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2017-06-22 15:44:19 +00:00
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2017-09-11 12:39:01 +00:00
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StoragePtr tryGetTable(
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const Context & context,
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2018-01-30 17:47:04 +00:00
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const String & table_name) const override;
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2017-06-22 15:44:19 +00:00
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2020-04-01 22:41:29 +00:00
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DatabaseTablesIteratorPtr getTablesIterator(const FilterByNameFunction & filter_by_table_name) override;
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2019-10-10 17:33:01 +00:00
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2017-09-11 12:39:01 +00:00
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bool empty(const Context & context) const override;
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2017-06-22 15:44:19 +00:00
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2020-01-14 11:11:01 +00:00
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ASTPtr getCreateDatabaseQuery(const Context & context) const override;
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2018-03-13 13:28:32 +00:00
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2017-06-22 15:44:19 +00:00
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void shutdown() override;
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2018-03-23 19:56:24 +00:00
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2019-11-01 12:47:55 +00:00
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protected:
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ASTPtr getCreateTableQueryImpl(const Context & context, const String & table_name, bool throw_on_error) const override;
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2018-03-23 19:56:24 +00:00
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private:
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mutable std::mutex mutex;
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Poco::Logger * log;
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2020-04-01 22:41:29 +00:00
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const Context & global_context;
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2018-03-23 19:56:24 +00:00
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2020-04-01 22:41:29 +00:00
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Tables listTables(const FilterByNameFunction & filter_by_name);
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2017-06-22 15:44:19 +00:00
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};
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2017-09-11 12:39:01 +00:00
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2017-06-22 15:44:19 +00:00
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}
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