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Update weak hash.

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This commit is contained in:
Nikolai Kochetov 2020-03-23 23:48:46 +03:00
parent ee907da84d
commit 6d63d4bc88
1 changed files with 8 additions and 4 deletions
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12
dbms/src/Common/HashTable/Hash.h
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@ -103,16 +103,20 @@ inline UInt32 updateWeakHash32(const DB::UInt8 * pos, size_t size, DB::UInt32 up
case 1:
value_ptr[0] = pos[0];
break;
case 3:
value_ptr[2] = pos[2];
case 2:
*reinterpret_cast<uint16_t *>(value_ptr) = *reinterpret_cast<const uint16_unaligned_t *>(pos);
break;
case 5:
value_ptr[4] = pos[4];
case 3:
*reinterpret_cast<uint16_t *>(value_ptr) = *reinterpret_cast<const uint16_unaligned_t *>(pos);
value_ptr[2] = pos[2];
break;
case 4:
*reinterpret_cast<uint32_t *>(value_ptr) = *reinterpret_cast<const uint32_unaligned_t *>(pos);
break;
case 5:
*reinterpret_cast<uint32_t *>(value_ptr) = *reinterpret_cast<const uint32_unaligned_t *>(pos);
value_ptr[4] = pos[4];
break;
case 6:
*reinterpret_cast<uint32_t *>(value_ptr) = *reinterpret_cast<const uint32_unaligned_t *>(pos);
*reinterpret_cast<uint16_t *>(value_ptr + 4) = *reinterpret_cast<const uint16_unaligned_t *>(pos + 4);