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41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
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#include <DB/Storages/StorageLog.h>
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#include <DB/Storages/StorageSystemNumbers.h>
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#include <DB/Storages/StorageSystemOne.h>
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#include <DB/Storages/StorageFactory.h>
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namespace DB
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{
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StoragePtr StorageFactory::get(
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const String & name,
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const String & data_path,
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const String & table_name,
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SharedPtr<NamesAndTypes> columns) const
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{
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if (name == "Log")
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return new StorageLog(data_path, table_name, columns);
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else if (name == "SystemNumbers")
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{
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if (columns->size() != 1 || columns->begin()->first != "number" || columns->begin()->second->getName() != "UInt64")
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throw Exception("Storage SystemNumbers only allows one column with name 'number' and type 'UInt64'",
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ErrorCodes::ILLEGAL_COLUMN);
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return new StorageSystemNumbers(table_name);
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}
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else if (name == "SystemOne")
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{
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if (columns->size() != 1 || columns->begin()->first != "dummy" || columns->begin()->second->getName() != "UInt8")
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throw Exception("Storage SystemOne only allows one column with name 'dummy' and type 'UInt8'",
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ErrorCodes::ILLEGAL_COLUMN);
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return new StorageSystemOne(table_name);
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}
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else
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throw Exception("Unknown storage " + name, ErrorCodes::UNKNOWN_STORAGE);
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}
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}
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