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MCOL-1052 GROUP BY handler returns NULL values properly.

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This commit is contained in:
Roman Nozdrin
2018-05-03 22:35:41 +03:00
parent fdbf82e48d
commit 00990ca5bd
1 changed files with 4 additions and 0 deletions
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4
dbcon/mysql/ha_calpont_impl.cpp
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@ -472,6 +472,10 @@ int fetchNextRow(uchar* buf, cal_table_info& ti, cal_connection_info* ci, bool h
//set all fields to null in null col bitmap
if (!handler_flag)
memset(buf, -1, ti.msTablePtr->s->null_bytes);
else
{
memset(ti.msTablePtr->null_flags, -1, ti.msTablePtr->s->null_bytes);
}
std::vector<CalpontSystemCatalog::ColType>& colTypes = ti.tpl_scan_ctx->ctp;
int64_t intColVal = 0;
uint64_t uintColVal = 0;