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20 lines
402 B
C++
20 lines
402 B
C++
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#include <Core/UUID.h>
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#include <Common/thread_local_rng.h>
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namespace DB
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{
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namespace UUIDHelpers
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{
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UUID generateV4()
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{
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UInt128 res{thread_local_rng(), thread_local_rng()};
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res.items[0] = (res.items[0] & 0xffffffffffff0fffull) | 0x0000000000004000ull;
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res.items[1] = (res.items[1] & 0x3fffffffffffffffull) | 0x8000000000000000ull;
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return UUID{res};
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}
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}
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}
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