database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-27 21:01:50 +03:00
Code Activity

MCOL-641 Basic extent elimination support for Decimal38.

Browse Source
This commit is contained in:
Gagan Goel
2020-02-01 22:16:58 -05:00
committed by Roman Nozdrin
parent 84f9821720
commit 55afcd8890
33 changed files with 1318 additions and 325 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
versioning/BRM/dbrm.cpp
View File

@ -30,6 +30,7 @@
//#define NDEBUG
#include <cassert>
#include "dataconvert.h"
#include "oamcache.h"
#include "rwlock.h"
#include "mastersegmenttable.h"
@ -461,7 +462,8 @@ int DBRM::markExtentsInvalid(const vector<LBID_t>& lbids,
return err;
}
int DBRM::getExtentMaxMin(const LBID_t lbid, int64_t& max, int64_t& min, int32_t& seqNum) throw()
template <typename T>
int DBRM::getExtentMaxMin(const LBID_t lbid, T& max, T& min, int32_t& seqNum) throw()
{
#ifdef BRM_INFO
@ -556,7 +558,14 @@ int DBRM::setExtentsMaxMin(const CPInfoList_t& cpInfos) DBRM_THROW
for (it = cpInfos.begin(); it != cpInfos.end(); it++)
{
command << (uint64_t)it->firstLbid << (uint64_t)it->max << (uint64_t)it->min << (uint32_t)it->seqNum;
if (it->isBinaryColumn)
{
command << (uint8_t)1 << (uint64_t)it->firstLbid << (unsigned __int128)it->bigMax << (unsigned __int128)it->bigMin << (uint32_t)it->seqNum;
}
else
{
command << (uint8_t)0 << (uint64_t)it->firstLbid << (uint64_t)it->max << (uint64_t)it->min << (uint32_t)it->seqNum;
}
}
err = send_recv(command, response);
@ -4526,15 +4535,34 @@ void DBRM::invalidateUncommittedExtentLBIDs(execplan::CalpontSystemCatalog::SCN
// lookup the column oid for that lbid (all we care about is oid here)
if (em->lookupLocal(lbid, oid, dbRoot, partitionNum, segmentNum, fileBlockOffset) == 0)
{
if (execplan::isUnsigned(csc->colType(oid).colDataType))
execplan::CalpontSystemCatalog::ColType colType = csc->colType(oid);
bool isBinaryColumn = colType.colWidth > 8;
aInfo.isBinaryColumn = isBinaryColumn;
if (!isBinaryColumn)
{
aInfo.max = 0;
aInfo.min = numeric_limits<uint64_t>::max();
if (execplan::isUnsigned(colType.colDataType))
{
aInfo.max = 0;
aInfo.min = numeric_limits<uint64_t>::max();
}
else
{
aInfo.max = numeric_limits<int64_t>::min();
aInfo.min = numeric_limits<int64_t>::max();
}
}
else
{
aInfo.max = numeric_limits<int64_t>::min();
aInfo.min = numeric_limits<int64_t>::max();
if (execplan::isUnsigned(colType.colDataType))
{
aInfo.bigMax = 0;
aInfo.bigMin = -1;
}
else
{
dataconvert::DataConvert::int128Min(aInfo.bigMax);
dataconvert::DataConvert::int128Max(aInfo.bigMin);
}
}
}
else
@ -4542,6 +4570,8 @@ void DBRM::invalidateUncommittedExtentLBIDs(execplan::CalpontSystemCatalog::SCN
// We have a problem, but we need to put something in. This should never happen.
aInfo.max = numeric_limits<int64_t>::min();
aInfo.min = numeric_limits<int64_t>::max();
// MCOL-641 is this correct?
aInfo.isBinaryColumn = false;
}
aInfo.seqNum = -2;
@ -4552,4 +4582,10 @@ void DBRM::invalidateUncommittedExtentLBIDs(execplan::CalpontSystemCatalog::SCN
setExtentsMaxMin(cpInfos);
}
template
int DBRM::getExtentMaxMin<__int128>(const LBID_t lbid, __int128& max, __int128& min, int32_t& seqNum) throw();
template
int DBRM::getExtentMaxMin<int64_t>(const LBID_t lbid, int64_t& max, int64_t& min, int32_t& seqNum) throw();
} //namespace