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MCOL-641 Refactor initial extent elimination support.

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This commit also adds support in TupleHashJoinStep::forwardCPData,
although we currently do not support wide decimals as join keys.

Row estimation to determine large-side of the join is also updated.
This commit is contained in:
Gagan Goel
2020-07-24 19:04:25 -04:00
committed by Roman Nozdrin
parent ca53b6348a
commit d3bc68b02f
32 changed files with 1221 additions and 386 deletions
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54
dbcon/joblist/pseudocc-jl.cpp
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@ -46,23 +46,57 @@ void PseudoCCJL::runCommand(ByteStream& bs) const
{
if (function == PSEUDO_EXTENTMAX)
{
int64_t max = extents[currentExtentIndex].partition.cprange.hi_val;
int64_t min = extents[currentExtentIndex].partition.cprange.lo_val;
if (!datatypes::Decimal::isWideDecimalType(colType))
{
int64_t max = extents[currentExtentIndex].partition.cprange.hi_val;
int64_t min = extents[currentExtentIndex].partition.cprange.lo_val;
if (extents[currentExtentIndex].partition.cprange.isValid == BRM::CP_VALID && max >= min)
bs << max;
if (extents[currentExtentIndex].partition.cprange.isValid == BRM::CP_VALID && max >= min)
bs << max;
else
bs << utils::getNullValue(colType.colDataType, colType.colWidth);
}
else
bs << utils::getNullValue(colType.colDataType, colType.colWidth);
{
int128_t max = extents[currentExtentIndex].partition.cprange.bigHiVal;
int128_t min = extents[currentExtentIndex].partition.cprange.bigLoVal;
if (extents[currentExtentIndex].partition.cprange.isValid == BRM::CP_VALID && max >= min)
bs << (uint128_t) max;
else
{
int128_t int128Null;
utils::setWideDecimalNullValue(int128Null);
bs << (uint128_t) int128Null;
}
}
}
else if (function == PSEUDO_EXTENTMIN)
{
int64_t max = extents[currentExtentIndex].partition.cprange.hi_val;
int64_t min = extents[currentExtentIndex].partition.cprange.lo_val;
if (!datatypes::Decimal::isWideDecimalType(colType))
{
int64_t max = extents[currentExtentIndex].partition.cprange.hi_val;
int64_t min = extents[currentExtentIndex].partition.cprange.lo_val;
if (extents[currentExtentIndex].partition.cprange.isValid == BRM::CP_VALID && max >= min)
bs << min;
if (extents[currentExtentIndex].partition.cprange.isValid == BRM::CP_VALID && max >= min)
bs << min;
else
bs << utils::getNullValue(colType.colDataType, colType.colWidth);
}
else
bs << utils::getNullValue(colType.colDataType, colType.colWidth);
{
int128_t max = extents[currentExtentIndex].partition.cprange.bigHiVal;
int128_t min = extents[currentExtentIndex].partition.cprange.bigLoVal;
if (extents[currentExtentIndex].partition.cprange.isValid == BRM::CP_VALID && max >= min)
bs << (uint128_t) min;
else
{
int128_t int128Null;
utils::setWideDecimalNullValue(int128Null);
bs << (uint128_t) int128Null;
}
}
}
else if (function == PSEUDO_EXTENTID)
bs << extents[currentExtentIndex].range.start;