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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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4
dbcon/execplan/simplecolumn_uint.h
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@ -32,6 +32,7 @@
#include "objectreader.h"
#include "joblisttypes.h"
#include "rowgroup.h"
#include "mcs_decimal.h"
/**
* Namespace
@ -218,7 +219,8 @@ inline IDB_Decimal SimpleColumn_UINT<len>::getDecimalVal(rowgroup::Row& row, boo
isNull = true;
fResult.decimalVal.value = (uint64_t)row.getUintField<len>(fInputIndex);
fResult.decimalVal.precision = 65;
// WIP MCOL-641
fResult.decimalVal.precision = datatypes::INT64MAXPRECISION+1;
fResult.decimalVal.scale = 0;
return fResult.decimalVal;
}