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Full support for alignment of aggregate states #2808

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This commit is contained in:
Alexey Milovidov 2018-09-01 07:39:46 +03:00
parent 338437baf7
commit ce032470b3
1 changed files with 3 additions and 2 deletions
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5
dbms/src/Common/AlignedBuffer.cpp
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@ -16,9 +16,10 @@ namespace ErrorCodes
void AlignedBuffer::alloc(size_t size, size_t alignment)
{
void * new_buf;
int res = ::posix_memalign(&new_buf, alignment, size);
int res = ::posix_memalign(&new_buf, std::max(alignment, sizeof(void*)), size);
if (0 != res)
throwFromErrno("Cannot allocate memory (posix_memalign) " + formatReadableSizeWithBinarySuffix(size) + ".",
throwFromErrno("Cannot allocate memory (posix_memalign), size: "
+ formatReadableSizeWithBinarySuffix(size) + ", alignment: " + formatReadableSizeWithBinarySuffix(alignment) + ".",
ErrorCodes::CANNOT_ALLOCATE_MEMORY, res);
buf = new_buf;
}