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-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

86
writeengine/bulk/we_colextinf.cpp
View File

@ -70,10 +70,11 @@ void ColExtInf::addFirstEntry( RID lastInputRow,
// buffer is flushed), so we will not have an LBID for the 1st buffer for this
// extent.
//------------------------------------------------------------------------------
void ColExtInf::addOrUpdateEntry( RID lastInputRow,
int64_t minVal,
int64_t maxVal,
ColDataType colDataType )
template <typename T>
void ColExtInf::addOrUpdateEntryTemplate( RID lastInputRow,
T minVal, T maxVal,
ColDataType colDataType,
int width )
{
boost::mutex::scoped_lock lock(fMapMutex);
@ -91,30 +92,65 @@ void ColExtInf::addOrUpdateEntry( RID lastInputRow,
// If all rows had null value for this column, then minVal will be
// MAX_INT and maxVal will be MIN_INT (see getCPInfoForBRM()).
if (iter->second.fMinVal == LLONG_MIN) // init the range
__int128 bigMinValInit;
dataconvert::DataConvert::int128Max(bigMinValInit);
if ((iter->second.fMinVal == LLONG_MIN && width <= 8) ||
(iter->second.fbigMinVal == bigMinValInit && width > 8)) // init the range
{
iter->second.fMinVal = minVal;
iter->second.fMaxVal = maxVal;
if (width <= 8)
{
iter->second.fMinVal = minVal;
iter->second.fMaxVal = maxVal;
}
else
{
iter->second.fbigMinVal = minVal;
iter->second.fbigMaxVal = maxVal;
}
}
else // Update the range
{
if (isUnsigned(colDataType) || isCharType(colDataType))
{
if (static_cast<uint64_t>(minVal)
< static_cast<uint64_t>(iter->second.fMinVal))
iter->second.fMinVal = minVal;
if (width <= 8)
{
if (static_cast<uint64_t>(minVal)
< static_cast<uint64_t>(iter->second.fMinVal))
iter->second.fMinVal = minVal;
if (static_cast<uint64_t>(maxVal)
> static_cast<uint64_t>(iter->second.fMaxVal))
iter->second.fMaxVal = maxVal;
if (static_cast<uint64_t>(maxVal)
> static_cast<uint64_t>(iter->second.fMaxVal))
iter->second.fMaxVal = maxVal;
}
else
{
if (static_cast<unsigned __int128>(minVal)
< static_cast<unsigned __int128>(iter->second.fbigMinVal))
iter->second.fbigMinVal = minVal;
if (static_cast<unsigned __int128>(maxVal)
> static_cast<unsigned __int128>(iter->second.fbigMaxVal))
iter->second.fbigMaxVal = maxVal;
}
}
else
{
if (minVal < iter->second.fMinVal)
iter->second.fMinVal = minVal;
if (width <= 8)
{
if (minVal < iter->second.fMinVal)
iter->second.fMinVal = minVal;
if (maxVal > iter->second.fMaxVal)
iter->second.fMaxVal = maxVal;
if (maxVal > iter->second.fMaxVal)
iter->second.fMaxVal = maxVal;
}
else
{
if (minVal < iter->second.fbigMinVal)
iter->second.fbigMinVal = minVal;
if (maxVal > iter->second.fbigMaxVal)
iter->second.fbigMaxVal = maxVal;
}
}
}
}
@ -178,6 +214,8 @@ void ColExtInf::getCPInfoForBRM( JobColumn column, BRMReporter& brmReporter )
// if applicable (indicating an extent with no non-NULL values).
int64_t minVal = iter->second.fMinVal;
int64_t maxVal = iter->second.fMaxVal;
__int128 bigMinVal = iter->second.fbigMinVal;
__int128 bigMaxVal = iter->second.fbigMaxVal;
if ( bIsChar )
{
@ -198,6 +236,7 @@ void ColExtInf::getCPInfoForBRM( JobColumn column, BRMReporter& brmReporter )
// Log for now; may control with debug flag later
//if (fLog->isDebug( DEBUG_1 ))
// TODO MCOL-641 Add support here.
{
std::ostringstream oss;
oss << "Saving CP update for OID-" << fColOid <<
@ -232,11 +271,20 @@ void ColExtInf::getCPInfoForBRM( JobColumn column, BRMReporter& brmReporter )
BRM::CPInfoMerge cpInfoMerge;
cpInfoMerge.startLbid = iter->second.fLbid;
cpInfoMerge.max = maxVal;
cpInfoMerge.min = minVal;
if (column.width <= 8)
{
cpInfoMerge.max = maxVal;
cpInfoMerge.min = minVal;
}
else
{
cpInfoMerge.bigMax = bigMaxVal;
cpInfoMerge.bigMin = bigMinVal;
}
cpInfoMerge.seqNum = -1; // Not used by mergeExtentsMaxMin
cpInfoMerge.type = column.dataType;
cpInfoMerge.newExtent = iter->second.fNewExtent;
cpInfoMerge.colWidth = column.width;
brmReporter.addToCPInfo( cpInfoMerge );
++iter;