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27 lines
765 B
C++
27 lines
765 B
C++
#pragma once
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#include <Common/HashTable/FixedHashTable.h>
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template <typename Key, typename Allocator = HashTableAllocator>
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class FixedHashSet : public FixedHashTable<Key, FixedHashTableCell<Key>, Allocator>
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{
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public:
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using Cell = FixedHashTableCell<Key>;
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using Base = FixedHashTable<Key, Cell, Allocator>;
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using Self = FixedHashSet;
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void merge(const Self & rhs)
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{
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for (size_t i = 0; i < Base::BUFFER_SIZE; ++i)
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if (Base::buf[i].isZero(*this) && !rhs.buf[i].isZero(*this))
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new (&Base::buf[i]) Cell(rhs.buf[i]);
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}
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/// NOTE: Currently this method isn't used. When it does, the ReadBuffer should
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/// contain the Key explicitly.
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// void readAndMerge(DB::ReadBuffer & rb)
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// {
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// }
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};
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