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23 lines
684 B
C++
23 lines
684 B
C++
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#include "getVirtualsForStorage.h"
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namespace DB
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{
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NamesAndTypesList getVirtualsForStorage(const NamesAndTypesList & storage_columns_, const NamesAndTypesList & default_virtuals_)
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{
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auto default_virtuals = default_virtuals_;
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auto storage_columns = storage_columns_;
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default_virtuals.sort();
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storage_columns.sort();
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NamesAndTypesList result_virtuals;
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std::set_difference(
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default_virtuals.begin(), default_virtuals.end(), storage_columns.begin(), storage_columns.end(),
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std::back_inserter(result_virtuals),
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[](const NameAndTypePair & lhs, const NameAndTypePair & rhs){ return lhs.name < rhs.name; });
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return result_virtuals;
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}
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}
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