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fix

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This commit is contained in:
Andrei Nekrashevich 2020-05-17 16:22:52 +03:00
parent 9d2801e0d8
commit db07c9f5e9
1 changed files with 3 additions and 2 deletions
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5
src/Functions/randomStringUTF8.cpp
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@ -78,9 +78,9 @@ public:
size_t size_in_bytes_with_margin = summary_utf8_len * 4 + input_rows_count;
data_to.resize(size_in_bytes_with_margin);
pcg64_fast rng(randomSeed()); /// TODO It is inefficient. We should use SIMD PRNG instead.
pcg64_fast rng(randomSeed()); // TODO It is inefficient. We should use SIMD PRNG instead.
auto generate_code_point = [](UInt32 rand) {
const auto generate_code_point = [](UInt32 rand) -> UInt32 {
/// We want to generate number in [0x0, 0x70000) and shift it if need
/// Generate highest byte in [0, 6]
@ -97,6 +97,7 @@ public:
if (0xD7FF < code_point && code_point < 0xE000) // this range will not be valid in isValidUTF8
{
/// The distribution will be slightly non-uniform but we don't care.
return 0u;
}