database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-30 19:23:07 +03:00
Code Activity

MCOL-3423 Don't move decimal for LONG DOUBLE. Clear long double extra bits after copy, not before.

Browse Source
This commit is contained in:
David Hall
2019-08-20 09:50:43 -05:00
parent 34f9af5d2a
commit 95fcc3dcbb
3 changed files with 12 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
utils/rowgroup/rowgroup.h
View File

@ -1036,12 +1036,13 @@ inline void Row::setFloatField(float val, uint32_t colIndex)
inline void Row::setLongDoubleField(long double val, uint32_t colIndex)
{
uint8_t* p = &data[offsets[colIndex]];
*((long double*)p) = val;
if (sizeof(long double) == 16)
{
// zero out the unused portion as there may be garbage there.
*((uint64_t*)&val+1) &= 0x000000000000FFFFULL;
*((uint64_t*)p+1) &= 0x000000000000FFFFULL;
}
*((long double*) &data[offsets[colIndex]]) = val;
}
inline void Row::setVarBinaryField(const std::string& val, uint32_t colIndex)