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40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
#include <DataTypes/DataTypeString.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <Formats/FormatFactory.h>
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#include <Storages/System/StorageSystemFormats.h>
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namespace DB
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{
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NamesAndTypesList StorageSystemFormats::getNamesAndTypes()
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{
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return {
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{"name", std::make_shared<DataTypeString>()},
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{"is_input", std::make_shared<DataTypeUInt8>()},
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{"is_output", std::make_shared<DataTypeUInt8>()},
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{"supports_parallel_parsing", std::make_shared<DataTypeUInt8>()},
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{"supports_parallel_formatting", std::make_shared<DataTypeUInt8>()},
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};
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}
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void StorageSystemFormats::fillData(MutableColumns & res_columns, ContextPtr, const SelectQueryInfo &) const
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{
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const auto & formats = FormatFactory::instance().getAllFormats();
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for (const auto & pair : formats)
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{
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const auto & [format_name, creators] = pair;
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UInt64 has_input_format(creators.input_creator != nullptr || creators.random_access_input_creator != nullptr);
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UInt64 has_output_format(creators.output_creator != nullptr);
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UInt64 supports_parallel_parsing(creators.file_segmentation_engine != nullptr || creators.random_access_input_creator != nullptr);
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UInt64 supports_parallel_formatting(creators.supports_parallel_formatting);
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res_columns[0]->insert(format_name);
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res_columns[1]->insert(has_input_format);
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res_columns[2]->insert(has_output_format);
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res_columns[3]->insert(supports_parallel_parsing);
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res_columns[4]->insert(supports_parallel_formatting);
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}
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}
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}
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