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MCOL-641 Refactored MultiplicationOverflowCheck but it still has flaws.

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Introduced fDecimalOverflowCheck to enable/disable overflow check.

Add support into a FunctionColumn.

Low level scanning crashes on medium sized data sets.
This commit is contained in:
Roman Nozdrin
2020-03-24 13:41:28 +00:00
parent 74b64eb4f1
commit b5534eb847
13 changed files with 528 additions and 36 deletions
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7
dbcon/execplan/simplecolumn_int.h
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@ -32,6 +32,7 @@
#include "objectreader.h"
#include "joblisttypes.h"
#include "rowgroup.h"
#include "mcs_decimal.h"
/**
* Namespace
@ -217,7 +218,7 @@ inline IDB_Decimal SimpleColumn_INT<len>::getDecimalVal(rowgroup::Row& row, bool
isNull = true;
fResult.decimalVal.value = (int64_t)row.getIntField<len>(fInputIndex);
fResult.decimalVal.precision = 65;
fResult.decimalVal.precision = datatypes::INT64MAXPRECISION;
fResult.decimalVal.scale = 0;
return fResult.decimalVal;
}
@ -242,8 +243,6 @@ void SimpleColumn_INT<len>::serialize(messageqcpp::ByteStream& b) const
case 8:
b << (ObjectReader::id_t) ObjectReader::SIMPLECOLUMN_INT8;
break;
case 16:
std::cout << __FILE__<< ":" << __LINE__ << " Fix for 16 Bytes ?" << std::endl;
}
SimpleColumn::serialize(b);
@ -269,8 +268,6 @@ void SimpleColumn_INT<len>::unserialize(messageqcpp::ByteStream& b)
case 8:
ObjectReader::checkType(b, ObjectReader::SIMPLECOLUMN_INT8);
break;
case 16:
std::cout << __FILE__<< ":" << __LINE__ << " Fix for 16 Bytes ?" << std::endl;
}
SimpleColumn::unserialize(b);