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Fix weakHash
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ebba6a6100
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@ -85,7 +85,7 @@ inline UInt32 updateWeakHash32(const DB::UInt8 * pos, size_t size, DB::UInt32 u
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}
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const auto * end = pos + size;
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while (pos + 8 < end)
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while (pos + 8 <= end)
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{
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auto word = unalignedLoad<UInt64>(pos);
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updated_value = intHashCRC32(word, updated_value);
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@ -93,9 +93,16 @@ inline UInt32 updateWeakHash32(const DB::UInt8 * pos, size_t size, DB::UInt32 u
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pos += 8;
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}
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auto word = unalignedLoad<UInt64>(end - 8);
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word &= (~UInt64(0)) << DB::UInt8(8 * (8 - (end - pos)));
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return intHashCRC32(word, updated_value);
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if (pos < end)
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{
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DB::UInt8 tail_size = end - pos;
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auto word = unalignedLoad<UInt64>(end - 8);
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word &= (~UInt64(0)) << DB::UInt8(8 * (8 - tail_size));
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word |= tail_size;
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updated_value = intHashCRC32(word, updated_value);
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}
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return updated_value;
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}
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template <typename T>
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