database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-29 08:21:15 +03:00
Code Activity

MCOL-641 Initial version of Math operations for wide decimal.

Browse Source
This commit is contained in:
Roman Nozdrin
2020-03-12 19:39:10 +00:00
parent 62d0c82d75
commit b09f3088ca
22 changed files with 1323 additions and 213 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
CMakeLists.txt
View File

@ -200,7 +200,8 @@ ENDIF()
SET (ENGINE_LDFLAGS "-Wl,--no-as-needed -Wl,--add-needed")
SET (ENGINE_COMMON_LIBS messageqcpp loggingcpp configcpp idbboot ${Boost_LIBRARIES} xml2 pthread rt libmysql_client datatypes)
SET (ENGINE_DT_LIB datatypes)
SET (ENGINE_COMMON_LIBS messageqcpp loggingcpp configcpp idbboot ${Boost_LIBRARIES} xml2 pthread rt libmysql_client ${ENGINE_DT_LIB})
SET (ENGINE_OAM_LIBS oamcpp alarmmanager)
SET (ENGINE_BRM_LIBS brm idbdatafile cacheutils rwlock ${ENGINE_OAM_LIBS} ${ENGINE_COMMON_LIBS})
SET (ENGINE_EXEC_LIBS joblist execplan windowfunction joiner rowgroup funcexp udfsdk regr dataconvert common compress querystats querytele thrift threadpool ${ENGINE_BRM_LIBS})

2
datatypes/CMakeLists.txt
View File

@ -1,7 +1,7 @@
include_directories( ${ENGINE_COMMON_INCLUDES} )
set(datatypes_LIB_SRCS
csdecimal.cpp)
mcs_decimal.cpp)
add_library(datatypes SHARED ${datatypes_LIB_SRCS})

30
datatypes/csdecimal.cpp
View File

@ -1,30 +0,0 @@
/* Copyright (C) 2020 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "csdecimal.h"
const datatypes::Decimal someDecimal;
namespace datatypes
{
int Decimal::compare(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r)
{
return 0;
}
} // end of namespace

39
datatypes/csdecimal.h
View File

@ -1,39 +0,0 @@
/* Copyright (C) 2020 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef H_DECIMALDATATYPE
#define H_DECIMALDATATYPE
#include <cstdint>
namespace execplan
{
struct IDB_Decimal;
}
namespace datatypes
{
class Decimal
{
public:
Decimal() { };
~Decimal() { };
static int compare(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r);
};
} //end of namespace
#endif

261
datatypes/mcs_decimal.cpp Normal file
View File

@ -0,0 +1,261 @@
/* Copyright (C) 2020 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include <functional>
#include <string>
#include "mcs_decimal.h"
#include "treenode.h"
#include "exceptclasses.h"
namespace datatypes
{
template<typename BinaryOperation,
typename OpOverflowCheck,
typename MultiplicationOverflowCheck>
void execute(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r,
execplan::IDB_Decimal& result,
BinaryOperation op,
OpOverflowCheck opOverflowCheck,
MultiplicationOverflowCheck mulOverflowCheck)
{
int128_t lValue = Decimal::isWideDecimalType(l.precision)
? l.s128Value : l.value;
int128_t rValue = Decimal::isWideDecimalType(l.precision)
? r.s128Value : r.value;
if (result.scale == l.scale && result.scale == r.scale)
{
opOverflowCheck(lValue, rValue);
result.s128Value = op(lValue, rValue);
return;
}
if (result.scale > l.scale)
{
int128_t scaleMultiplier;
getScaleDivisor(scaleMultiplier, result.scale - l.scale);
mulOverflowCheck(lValue, scaleMultiplier);
lValue *= scaleMultiplier;
}
else if (result.scale < l.scale)
{
int128_t scaleMultiplier;
getScaleDivisor(scaleMultiplier, l.scale - result.scale);
lValue /= scaleMultiplier;
}
if (result.scale > r.scale)
{
int128_t scaleMultiplier;
getScaleDivisor(scaleMultiplier, result.scale - r.scale);
mulOverflowCheck(rValue, scaleMultiplier);
rValue *= scaleMultiplier;
}
else if (result.scale < r.scale)
{
int128_t scaleMultiplier;
getScaleDivisor(scaleMultiplier, r.scale - result.scale);
mulOverflowCheck(rValue, scaleMultiplier);
rValue /= scaleMultiplier;
}
// We assume there is no way that lValue or rValue calculations
// give an overflow and this is an incorrect assumption.
opOverflowCheck(lValue, rValue);
result.s128Value = op(lValue, rValue);
}
// This is wide Decimal version only ATM
std::string Decimal::toString(execplan::IDB_Decimal& value)
{
char buf[utils::MAXLENGTH16BYTES];
dataconvert::DataConvert::decimalToString(&value.s128Value,
value.scale, buf, sizeof(buf),
execplan::CalpontSystemCatalog::DECIMAL);
return std::string(buf);
}
int Decimal::compare(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r)
{
int128_t divL, divR;
getScaleDivisor(divL, l.scale);
getScaleDivisor(divR, r.scale);
int128_t quotinentL, quotinentR, remainderL, remainderR;
quotinentL = l.s128Value/divL;
remainderL = l.s128Value%divL;
quotinentR = r.s128Value/divR;
remainderR = r.s128Value%divR;
int ret = 0;
if (quotinentL > quotinentR)
{
ret = 1;
}
else if (quotinentL < quotinentR)
{
ret = -1;
}
else
{
// rem carries the value's sign, but needs to be normalized.
int32_t s = l.scale - r.scale;
if (s < 0)
{
if ((remainderL * mcs_pow_10[-s]) > remainderR)
ret = 1;
else if ((remainderL * mcs_pow_10[-s]) < remainderR)
ret = -1;
}
else
{
if (remainderL > (remainderR * mcs_pow_10[s]))
ret = 1;
else if (remainderL < (remainderR * mcs_pow_10[s]))
ret = -1;
}
}
return ret;
}
// no overflow check
template<>
void Decimal::addition<int128_t, false>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
std::plus<int128_t> add;
NoOverflowCheck noOverflowCheck;
execute(l, r, result, add, noOverflowCheck, noOverflowCheck);
}
template
void Decimal::addition<int128_t, false>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result);
// with overflow check
template<>
void Decimal::addition<int128_t, true>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
std::plus<int128_t> add;
AdditionOverflowCheck overflowCheck;
MultiplicationOverflowCheck mulOverflowCheck;
execute(l, r, result, add, overflowCheck, mulOverflowCheck);
}
template
void Decimal::addition<int128_t, false>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result);
template<>
void Decimal::addition<int64_t, false>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
if (result.scale == l.scale && result.scale == r.scale)
{
result.value = l.value + r.value;
return;
}
int64_t lValue = 0, rValue = 0;
if (result.scale >= l.scale)
lValue = l.value * mcs_pow_10[result.scale - l.scale];
else
lValue = (int64_t)(l.value > 0 ?
(double)l.value / mcs_pow_10[l.scale - result.scale] + 0.5 :
(double)l.value / mcs_pow_10[l.scale - result.scale] - 0.5);
if (result.scale >= r.scale)
rValue = r.value * mcs_pow_10[result.scale - r.scale];
else
rValue = (int64_t)(r.value > 0 ?
(double)r.value / mcs_pow_10[r.scale - result.scale] + 0.5 :
(double)r.value / mcs_pow_10[r.scale - result.scale] - 0.5);
result.value = lValue + rValue;
}
template
void Decimal::addition<int64_t, false>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result);
template<>
void Decimal::addition<int64_t, true>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
throw logging::NotImplementedExcept("Decimal::addition<int64>");
}
template<>
void Decimal::division<int128_t, false>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
std::divides<int128_t> division;
NoOverflowCheck noOverflowCheck;
execute(l, r, result, division, noOverflowCheck, noOverflowCheck);
}
template
void Decimal::division<int128_t, false>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result);
// With overflow check
template<>
void Decimal::division<int128_t, true>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
std::divides<int128_t> division;
DivisionOverflowCheck overflowCheck;
MultiplicationOverflowCheck mulOverflowCheck;
execute(l, r, result, division, overflowCheck, mulOverflowCheck);
}
// We rely on the zero check from ArithmeticOperator::execute
template<>
void Decimal::division<int64_t, false>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
if (result.scale >= l.scale - r.scale)
result.value = (int64_t)(( (l.value > 0 && r.value > 0)
|| (l.value < 0 && r.value < 0) ?
(long double)l.value / r.value * mcs_pow_10[result.scale - (l.scale - r.scale)] + 0.5 :
(long double)l.value / r.value * mcs_pow_10[result.scale - (l.scale - r.scale)] - 0.5));
else
result.value = (int64_t)(( (l.value > 0 && r.value > 0)
|| (l.value < 0 && r.value < 0) ?
(long double)l.value / r.value / mcs_pow_10[l.scale - r.scale - result.scale] + 0.5 :
(long double)l.value / r.value / mcs_pow_10[l.scale - r.scale - result.scale] - 0.5));
}
template
void Decimal::division<int64_t, false>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result);
template<>
void Decimal::division<int64_t, true>(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r, execplan::IDB_Decimal& result)
{
throw logging::NotImplementedExcept("Decimal::division<int64>");
}
} // end of namespace

224
datatypes/mcs_decimal.h Normal file
View File

@ -0,0 +1,224 @@
/* Copyright (C) 2020 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef H_DECIMALDATATYPE
#define H_DECIMALDATATYPE
#include <cstdint>
#include "calpontsystemcatalog.h"
using int128_t = __int128;
namespace execplan
{
struct IDB_Decimal;
}
namespace datatypes
{
constexpr uint32_t MAXDECIMALWIDTH = 16U;
constexpr uint8_t INT64MAXPRECISION = 18U;
constexpr uint8_t INT128MAXPRECISION = 38U;
const uint64_t mcs_pow_10[20] =
{
1ULL,
10ULL,
100ULL,
1000ULL,
10000ULL,
100000ULL,
1000000ULL,
10000000ULL,
100000000ULL,
1000000000ULL,
10000000000ULL,
100000000000ULL,
1000000000000ULL,
10000000000000ULL,
100000000000000ULL,
1000000000000000ULL,
10000000000000000ULL,
100000000000000000ULL,
1000000000000000000ULL,
10000000000000000000ULL
};
constexpr uint32_t maxPowOf10 = sizeof(mcs_pow_10)/sizeof(mcs_pow_10[0])-1;
constexpr int128_t Decimal128Null = int128_t(0x8000000000000000LL) << 64;
/**
@brief The function to produce scale multiplier/divisor for
wide decimals.
*/
inline void getScaleDivisor(int128_t& divisor, const int8_t scale)
{
divisor = 1;
switch (scale/maxPowOf10)
{
case 2:
divisor *= mcs_pow_10[maxPowOf10];
divisor *= mcs_pow_10[maxPowOf10];
break;
case 1:
divisor *= mcs_pow_10[maxPowOf10];
case 0:
divisor *= mcs_pow_10[scale%maxPowOf10];
default:
break;
}
}
/**
@brief The template to generalise common math operation
execution path using struct from <functional>.
*/
template<typename BinaryOperation, typename OverflowCheck>
void execute(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r,
execplan::IDB_Decimal& result,
BinaryOperation op,
OverflowCheck overflowCheck);
/**
@brief Contains subset of decimal related operations.
Most of the methods are static to allow to call them from
the existing code.
The main purpose of the class is to collect methods for a
base Datatype class.
*/
class Decimal
{
public:
Decimal() { };
~Decimal() { };
static constexpr int128_t minInt128 = int128_t(0x8000000000000000LL) << 64;
static constexpr int128_t maxInt128 = (int128_t(0x7FFFFFFFFFFFFFFFLL) << 64) + 0xFFFFFFFFFFFFFFFFLL;
/**
@brief Compares two IDB_Decimal taking scale into account.
*/
static int compare(const execplan::IDB_Decimal& l, const execplan::IDB_Decimal& r);
/**
@brief Addition template that supports overflow check and
two internal representations of decimal.
*/
template<typename T, bool overflow>
static void addition(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r,
execplan::IDB_Decimal& result);
/**
@brief Division template that supports overflow check and
two internal representations of decimal.
*/
template<typename T, bool overflow>
static void division(const execplan::IDB_Decimal& l,
const execplan::IDB_Decimal& r,
execplan::IDB_Decimal& result);
/**
@brief Convinience method to put decimal into a std:;string.
*/
static std::string toString(execplan::IDB_Decimal& value);
/**
@brief The method detects whether decimal type is wide
using csc data type.
*/
static constexpr inline bool isWideDecimalType(const execplan::CalpontSystemCatalog::ColType& ct)
{
return ((ct.colDataType == execplan::CalpontSystemCatalog::DECIMAL ||
ct.colDataType == execplan::CalpontSystemCatalog::UDECIMAL) &&
ct.colWidth == MAXDECIMALWIDTH);
}
/**
@brief The method detects whether decimal type is wide
using precision.
*/
static constexpr inline bool isWideDecimalType(const int32_t precision)
{
return precision > INT64MAXPRECISION
&& precision <= INT128MAXPRECISION;
}
};
/**
@brief The structure contains an overflow check for int128
division.
*/
struct DivisionOverflowCheck {
void operator()(const int128_t& x, const int128_t& y)
{
if (x == Decimal::maxInt128 && y == -1)
{
throw logging::OperationOverflowExcept(
"Decimal::division<int128_t> produces an overflow.");
}
}
};
/**
@brief The structure contains an overflow check for int128
addition.
*/
struct MultiplicationOverflowCheck {
void operator()(const int128_t& x, const int128_t& y)
{
if (x * y / x != y)
{
throw logging::OperationOverflowExcept(
"Decimal::multiplication<int128_t> or scale multiplicationproduces an overflow.");
}
}
};
/**
@brief The structure contains an overflow check for int128
addition.
*/
struct AdditionOverflowCheck {
void operator()(const int128_t& x, const int128_t& y)
{
if ((y > 0 && x > Decimal::maxInt128 - y)
|| (y < 0 && x < Decimal::minInt128 - y))
{
throw logging::OperationOverflowExcept(
"Decimal::addition<int128_t> produces an overflow.");
}
}
};
/**
@brief The strucuture runs an empty overflow check for int128
operation.
*/
struct NoOverflowCheck {
void operator()(const int128_t& x, const int128_t& y)
{
return;
}
};
} //end of namespace
#endif

3
dbcon/execplan/CMakeLists.txt
View File

@ -48,7 +48,6 @@ add_library(execplan SHARED ${execplan_LIB_SRCS})
add_dependencies(execplan loggingcpp)
target_link_libraries(execplan ${NETSNMP_LIBRARIES} ${MARIADB_STRING_LIBS})
target_link_libraries(execplan ${NETSNMP_LIBRARIES} ${MARIADB_STRING_LIBS} ${ENGINE_DT_LIB})
install(TARGETS execplan DESTINATION ${ENGINE_LIBDIR} COMPONENT columnstore-engine)

58
dbcon/execplan/arithmeticoperator.h
View File

@ -290,31 +290,19 @@ inline void ArithmeticOperator::execute(IDB_Decimal& result, IDB_Decimal op1, ID
case OP_ADD:
if (resultCscType.colWidth == 16)
{
result.s128Value = op1.s128Value + op2.s128Value;
break;
datatypes::Decimal::addition<decltype(result.s128Value),false>(
op1, op2, result);
}
if (result.scale == op1.scale && result.scale == op2.scale)
else if (resultCscType.colWidth == 8)
{
result.value = op1.value + op2.value;
break;
datatypes::Decimal::addition<decltype(result.value),false>(
op1, op2, result);
}
if (result.scale >= op1.scale)
op1.value *= IDB_pow[result.scale - op1.scale];
else
op1.value = (int64_t)(op1.value > 0 ?
(double)op1.value / IDB_pow[op1.scale - result.scale] + 0.5 :
(double)op1.value / IDB_pow[op1.scale - result.scale] - 0.5);
if (result.scale >= op2.scale)
op2.value *= IDB_pow[result.scale - op2.scale];
else
op2.value = (int64_t)(op2.value > 0 ?
(double)op2.value / IDB_pow[op2.scale - result.scale] + 0.5 :
(double)op2.value / IDB_pow[op2.scale - result.scale] - 0.5);
result.value = op1.value + op2.value;
{
throw logging::InvalidArgumentExcept(
"Unexpected result width");
}
break;
case OP_SUB:
@ -352,21 +340,33 @@ inline void ArithmeticOperator::execute(IDB_Decimal& result, IDB_Decimal op1, ID
break;
case OP_DIV:
if (resultCscType.colWidth == 16)
{
if (op2.s128Value == 0)
{
isNull = true;
break;
}
datatypes::Decimal::division<decltype(result.s128Value),false>(
op1, op2, result);
}
else if (resultCscType.colWidth == 8)
{
if (op2.value == 0)
{
isNull = true;
break;
}
if (result.scale >= op1.scale - op2.scale)
result.value = (int64_t)(( (op1.value > 0 && op2.value > 0) || (op1.value < 0 && op2.value < 0) ?
(long double)op1.value / op2.value * IDB_pow[result.scale - (op1.scale - op2.scale)] + 0.5 :
(long double)op1.value / op2.value * IDB_pow[result.scale - (op1.scale - op2.scale)] - 0.5));
datatypes::Decimal::division<decltype(result.value),false>(
op1, op2, result);
}
else
result.value = (int64_t)(( (op1.value > 0 && op2.value > 0) || (op1.value < 0 && op2.value < 0) ?
(long double)op1.value / op2.value / IDB_pow[op1.scale - op2.scale - result.scale] + 0.5 :
(long double)op1.value / op2.value / IDB_pow[op1.scale - op2.scale - result.scale] - 0.5));
{
throw logging::InvalidArgumentExcept(
"Unexpected result width");
}
break;
default:

4
dbcon/execplan/treenode.h
View File

@ -36,9 +36,7 @@
#include "exceptclasses.h"
#include "dataconvert.h"
#include "columnwidth.h"
#include "csdecimal.h"
using int128_t = __int128;
#include "mcs_decimal.h"
namespace messageqcpp
{

3
dbcon/joblist/jlf_common.cpp
View File

@ -38,6 +38,7 @@ using namespace BRM;
#include "jlf_common.h"
using namespace joblist;
#include "mcs_decimal.h"
namespace
{
@ -332,7 +333,7 @@ string extractTableAlias(const SSC& sc)
//------------------------------------------------------------------------------
CalpontSystemCatalog::OID isDictCol(const CalpontSystemCatalog::ColType& colType)
{
if (utils::isWideDecimalType(colType)) return 0;
if (datatypes::Decimal::isWideDecimalType(colType)) return 0;
if (colType.colWidth > 8) return colType.ddn.dictOID;

10
dbcon/joblist/jlf_execplantojoblist.cpp
View File

@ -88,7 +88,7 @@ using namespace logging;
#include "jlf_common.h"
#include "jlf_subquery.h"
#include "jlf_tuplejoblist.h"
#include "columnwidth.h"
#include "mcs_decimal.h"
namespace
{
@ -1897,7 +1897,7 @@ const JobStepVector doSimpleFilter(SimpleFilter* sf, JobInfo& jobInfo)
// WIP MCOL-641 width check must be a f() not a literal
// make a template from convertValueNum to avoid extra if
// this condition doesn't support UDECIMAL
if (utils::isWideDecimalType(ct))
if (datatypes::Decimal::isWideDecimalType(ct))
convertValueNum(constval, ct, isNull, rf, jobInfo.timeZone, value128);
else
convertValueNum(constval, ct, isNull, rf, jobInfo.timeZone, value);
@ -1934,7 +1934,7 @@ const JobStepVector doSimpleFilter(SimpleFilter* sf, JobInfo& jobInfo)
if (sc->isColumnStore())
{
if (utils::isWideDecimalType(ct))
if (datatypes::Decimal::isWideDecimalType(ct))
pcs->addFilter(cop, value128, rf);
else
pcs->addFilter(cop, value, rf);
@ -3012,7 +3012,7 @@ const JobStepVector doConstantFilter(const ConstantFilter* cf, JobInfo& jobInfo)
uint8_t rf = 0;
bool isNull = ConstantColumn::NULLDATA == cc->type();
if (utils::isWideDecimalType(ct))
if (datatypes::Decimal::isWideDecimalType(ct))
convertValueNum(constval, ct, isNull, rf, jobInfo.timeZone, value128);
else
convertValueNum(constval, ct, isNull, rf, jobInfo.timeZone, value);
@ -3032,7 +3032,7 @@ const JobStepVector doConstantFilter(const ConstantFilter* cf, JobInfo& jobInfo)
if (ConstantColumn::NULLDATA == cc->type() && (opeq == *sop || opne == *sop))
cop = COMPARE_NIL;
if (utils::isWideDecimalType(ct))
if (datatypes::Decimal::isWideDecimalType(ct))
pcs->addFilter(cop, value128, rf);
else
pcs->addFilter(cop, value, rf);

4
dbcon/joblist/lbidlist.cpp
View File

@ -28,7 +28,7 @@
#include "brm.h"
#include "brmtypes.h"
#include "dataconvert.h"
#include "columnwidth.h"
#include "mcs_decimal.h"
#define IS_VERBOSE (fDebug >= 4)
#define IS_DETAIL (fDebug >= 3)
@ -809,7 +809,7 @@ bool LBIDList::CasualPartitionPredicate(const BRM::EMCasualPartition_t& cpRange,
// Should we also check for empty here?
// TODO MCOL-641
if (utils::isWideDecimalType(ct))
if (datatypes::Decimal::isWideDecimalType(ct))
{
if (isNull(bigValue, ct))
continue;

9
primitives/primproc/filtercommand.cpp
View File

@ -27,6 +27,7 @@
#include "dictstep.h"
#include "filtercommand.h"
#include "dataconvert.h"
#include "mcs_decimal.h"
using namespace std;
using namespace messageqcpp;
@ -249,7 +250,7 @@ void FilterCommand::setColTypes(const execplan::CalpontSystemCatalog::ColType& l
leftColType = left;
rightColType = right;
if (utils::isWideDecimalType(left) || utils::isWideDecimalType(right))
if (datatypes::Decimal::isWideDecimalType(left) || datatypes::Decimal::isWideDecimalType(right))
hasWideDecimalType = true;
}
@ -281,7 +282,7 @@ void FilterCommand::doFilter()
bpp->relRids[bpp->ridCount] = bpp->fFiltCmdRids[0][i];
// WIP MCOL-641 How is bpp->(binary)values used given that
// we are setting the relRids?
if (utils::isWideDecimalType(leftColType))
if (datatypes::Decimal::isWideDecimalType(leftColType))
bpp->binaryValues[bpp->ridCount] = bpp->fFiltCmdBinaryValues[0][i];
else
bpp->values[bpp->ridCount] = bpp->fFiltCmdValues[0][i];
@ -343,7 +344,7 @@ bool FilterCommand::binaryCompare(uint64_t i, uint64_t j)
// not int128_t
int128_t leftVal, rightVal;
if (utils::isWideDecimalType(leftColType))
if (datatypes::Decimal::isWideDecimalType(leftColType))
{
if (execplan::isNull(bpp->fFiltCmdBinaryValues[0][i], leftColType))
return false;
@ -356,7 +357,7 @@ bool FilterCommand::binaryCompare(uint64_t i, uint64_t j)
leftVal = bpp->fFiltCmdValues[0][i];
}
if (utils::isWideDecimalType(rightColType))
if (datatypes::Decimal::isWideDecimalType(rightColType))
{
if (execplan::isNull(bpp->fFiltCmdBinaryValues[1][j], rightColType))
return false;

6
tests/CMakeLists.txt
View File

@ -12,6 +12,12 @@ if (WITH_ARITHMETICOPERATOR_UT)
install(TARGETS rowgroup_tests DESTINATION ${ENGINE_BINDIR} COMPONENT columnstore-platform)
endif()
if (WITH_CSDECIMAL_UT)
add_executable(mcs_decimal_tests mcs_decimal-tests.cpp)
target_link_libraries(mcs_decimal_tests ${ENGINE_LDFLAGS} ${GTEST_LIBRARIES} ${ENGINE_EXEC_LIBS} ${MARIADB_CLIENT_LIBS})
install(TARGETS rowgroup_tests DESTINATION ${ENGINE_BINDIR} COMPONENT columnstore-platform)
endif()
if (WITH_DATACONVERT_UT)
add_executable(dataconvert_tests dataconvert-tests.cpp)
target_link_libraries(dataconvert_tests ${ENGINE_LDFLAGS} ${GTEST_LIBRARIES} ${ENGINE_EXEC_LIBS} ${MARIADB_CLIENT_LIBS})

23
tests/csdecimal.cpp
View File

@ -1,23 +0,0 @@
/* Copyright (C) 2020 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "gtest/gtest.h"
TEST(DataConvertTest, Strtoll128)
{
EXPECT_TRUE(true);
}

731
tests/mcs_decimal-tests.cpp Normal file
View File

@ -0,0 +1,731 @@
/* Copyright (C) 2020 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "gtest/gtest.h"
#include "treenode.h"
#include "mcs_decimal.h"
#include "widedecimalutils.h"
TEST(Decimal, compareCheck)
{
// L values = R value, L scale < R scale
execplan::IDB_Decimal l, r;
l.scale = 20;
l.precision = 38;
l.s128Value = 42;
r.scale = 21;
l.precision = 38;
r.s128Value = 420;
EXPECT_EQ(0, datatypes::Decimal::compare(l, r));
// L values = R value, L scale > R scale
l.scale = 21;
l.precision = 38;
l.s128Value = 420;
r.scale = 20;
l.precision = 38;
r.s128Value = 42;
EXPECT_EQ(0, datatypes::Decimal::compare(l, r));
// L values > R value, L scale < R scale
l.scale = 20;
l.precision = 38;
l.s128Value = 999999;
r.scale = 21;
l.precision = 38;
r.s128Value = 420;
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
// L values > R value, L scale > R scale
l.scale = 21;
l.precision = 38;
l.s128Value = 99999999;
r.scale = 20;
l.precision = 38;
r.s128Value = 420;
EXPECT_EQ(1, datatypes::Decimal::compare(l, r));
// L values < R value, L scale < R scale
l.scale = 20;
l.precision = 38;
l.s128Value = 99;
r.scale = 21;
l.precision = 38;
r.s128Value = 42000;
EXPECT_EQ(-1, datatypes::Decimal::compare(l, r));
// L values < R value, L scale > R scale
l.scale = 21;
l.precision = 38;
l.s128Value = 99;
r.scale = 20;
l.precision = 38;
r.s128Value = 420;
EXPECT_EQ(-1, datatypes::Decimal::compare(l, r));
}
TEST(Decimal, additionNoOverflowCheck)
{
// Addition w/o overflow check
execplan::IDB_Decimal l, r, result;
// same precision, same scale, both positive values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(462, result.s128Value);
// same precision, same scale, both negative values
l.scale = 38;
l.precision = 38;
l.s128Value = -42;
r.scale = 38;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(-462, result.s128Value);
// same precision, same scale, +- values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(-378, result.s128Value);
// same precision, same scale, both 0
l.scale = 38;
l.precision = 38;
l.s128Value = 0;
r.scale = 38;
r.precision = 38;
r.s128Value = 0;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(0, result.s128Value);
// diff scale
// same precision, L scale > R scale, both positive values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 15;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
int128_t s128ScaleMultiplier1 =
static_cast<int128_t>(10000000000000)*10000000000;
int128_t s128Result = r.s128Value*s128ScaleMultiplier1+l.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale > R scale, both negative values
l.scale = 38;
l.precision = 38;
l.s128Value = -42;
r.scale = 15;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = r.s128Value*s128ScaleMultiplier1+l.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale > R scale, +- values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 15;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = r.s128Value*s128ScaleMultiplier1+l.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale > R scale, both 0
l.scale = 38;
l.precision = 38;
l.s128Value = 0;
r.scale = 15;
r.precision = 38;
r.s128Value = 0;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(0, result.s128Value);
// same precision, L scale < R scale, both positive values
l.scale = 15;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1+r.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale < R scale, both negative values
l.scale = 15;
l.precision = 38;
l.s128Value = -42;
r.scale = 38;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1+r.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale < R scale, +- values
l.scale = 15;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1+r.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale < R scale, both 0
l.scale = 15;
l.precision = 38;
l.s128Value = 0;
r.scale = 38;
r.precision = 38;
r.s128Value = 0;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::addition<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1+r.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
}
TEST(Decimal, divisionNoOverflowCheck)
{
// DIVISION
// same precision, same scale, both positive values
std::string decimalStr;
execplan::IDB_Decimal l, r, result;
l.scale = 38;
l.precision = 38;
l.s128Value = 43;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = r.scale;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ(r.scale, result.scale);
EXPECT_EQ(result.precision, result.precision);
EXPECT_EQ(r.s128Value/l.s128Value, result.s128Value);
// same precision, same scale, both negative values
l.scale = 38;
l.precision = 38;
l.s128Value = -42;
r.scale = 38;
r.precision = 38;
r.s128Value = -420;
result.scale = r.scale;
result.precision = r.precision;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ(r.scale, result.scale);
EXPECT_EQ(r.precision, result.precision);
EXPECT_EQ(r.s128Value/l.s128Value, result.s128Value);
// same precision, same scale, +- values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(l.s128Value/r.s128Value, result.s128Value);
// same precision, same scale, l = 0
l.scale = 38;
l.precision = 38;
l.s128Value = 0;
r.scale = 38;
r.precision = 38;
r.s128Value = 42424242;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(0, result.s128Value);
// diff scale
// same precision, L scale > R scale, both positive values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 15;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
int128_t s128ScaleMultiplier1 =
static_cast<int128_t>(10000000000000)*10000000000;
int128_t s128Result = r.s128Value*s128ScaleMultiplier1/l.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale > R scale, both negative values
l.scale = 38;
l.precision = 38;
l.s128Value = -42;
r.scale = 15;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = r.s128Value*s128ScaleMultiplier1/l.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale > R scale, +- values
l.scale = 38;
l.precision = 38;
l.s128Value = 42;
r.scale = 15;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(r, l, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = r.s128Value*s128ScaleMultiplier1/l.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale > R scale, L = 0
l.scale = 38;
l.precision = 38;
l.s128Value = 0;
r.scale = 15;
r.precision = 38;
r.s128Value = 424242;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(0, result.s128Value);
// same precision, L scale > R scale, both MAX positive values
// WIP Investigate the next two
l.scale = 38;
l.precision = 38;
l.s128Value = 0; utils::int128Max(l.s128Value);
r.scale = 15;
r.precision = 38;
r.s128Value = 0; utils::int128Max(r.s128Value);
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
// Use as an examplar
utils::int128Max(r.s128Value);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = r.s128Value*s128ScaleMultiplier1/l.s128Value;
// WIP
//EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale > R scale, both MIN negative values
l.scale = 38;
l.precision = 38;
l.s128Value = 0; utils::int128Min(l.s128Value);
r.scale = 15;
r.precision = 38;
r.s128Value = 0; utils::int128Min(l.s128Value);
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
//datatypes::Decimal::division<int128_t, false>(l, r, result);
// Use as an examplar
utils::int128Min(r.s128Value);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = r.s128Value*s128ScaleMultiplier1/l.s128Value;
//EXPECT_EQ(s128Result, result.s128Value);
// WIP
//EXPECT_EQ(r.s128Value, result.s128Value);
// same precision, L scale < R scale, both positive values
l.scale = 15;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = 420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1/r.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale < R scale, both negative values
l.scale = 15;
l.precision = 38;
l.s128Value = -42;
r.scale = 38;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1/r.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale < R scale, +- values
l.scale = 15;
l.precision = 38;
l.s128Value = 42;
r.scale = 38;
r.precision = 38;
r.s128Value = -420;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1/r.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale < R scale, L = 0
l.scale = 15;
l.precision = 38;
l.s128Value = 0;
r.scale = 38;
r.precision = 38;
r.s128Value = 42;
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1/r.s128Value;
EXPECT_EQ(s128Result, result.s128Value);
// same precision, L scale < R scale, both MAX positive values
// WIP Investigate the next two
l.scale = 15;
l.precision = 38;
l.s128Value = 0; utils::int128Max(l.s128Value);
r.scale = 38;
r.precision = 38;
r.s128Value = 0; utils::int128Max(r.s128Value);
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
datatypes::Decimal::division<int128_t, false>(l, r, result);
// Use as an examplar
utils::int128Max(r.s128Value);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1/r.s128Value;
// WIP
//EXPECT_EQ(s128Result, result.s128Value);
//EXPECT_EQ(r.s128Value, result.s128Value);
// same precision, L scale < R scale, both MIN negative values
l.scale = 15;
l.precision = 38;
l.s128Value = 0; utils::int128Min(l.s128Value);
r.scale = 38;
r.precision = 38;
r.s128Value = 0; utils::int128Min(l.s128Value);
result.scale = 38;
result.precision = 38;
result.s128Value = 0;
//datatypes::Decimal::division<int128_t, false>(l, r, result);
// Use as an examplar
utils::int128Min(r.s128Value);
EXPECT_EQ(38, result.scale);
EXPECT_EQ(38, result.precision);
s128Result = l.s128Value*s128ScaleMultiplier1/r.s128Value;
// WIP
// EXPECT_EQ(s128Result, result.s128Value);
//EXPECT_EQ(r.s128Value, result.s128Value);
}
void doDiv(execplan::IDB_Decimal& l,
execplan::IDB_Decimal& r,
execplan::IDB_Decimal& result)
{
datatypes::Decimal::division<int128_t, true>(l, r, result);
}
TEST(Decimal, divisionWithOverflowCheck)
{
// Divide max int128 by -1
execplan::IDB_Decimal l, r, result;
l.scale = 0;
l.precision = 38;
l.s128Value = datatypes::Decimal::maxInt128;
r.scale = 0;
r.precision = 38;
r.s128Value = -1;
result.scale = 0;
result.precision = 38;
result.s128Value = 42;
EXPECT_THROW(doDiv(l, r, result), logging::OperationOverflowExcept);
// Divide two ints one of which overflows after the scaling.
l.scale = 0;
l.precision = 38;
l.s128Value = datatypes::Decimal::maxInt128;
r.scale = 1;
r.precision = 38;
r.s128Value = 42;
result.scale = 1;
result.precision = 38;
result.s128Value = 42;
EXPECT_THROW(doDiv(l, r, result), logging::OperationOverflowExcept);
// Normal execution w/o overflow
l.scale = 0;
l.precision = 38;
l.s128Value = datatypes::Decimal::maxInt128-1;
r.scale = 0;
r.precision = 38;
r.s128Value = 0xFFFFFFFFFFFFFFFF;
result.scale = 0;
result.precision = 38;
result.s128Value = 0;
EXPECT_NO_THROW(doDiv(l, r, result));
l.s128Value /= r.s128Value;
EXPECT_EQ(0, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(l.s128Value, result.s128Value);
}
void doAdd(execplan::IDB_Decimal& l,
execplan::IDB_Decimal& r,
execplan::IDB_Decimal& result)
{
datatypes::Decimal::addition<int128_t, true>(l, r, result);
}
TEST(Decimal, additionWithOverflowCheck)
{
// Add two max ints
execplan::IDB_Decimal l, r, result;
l.scale = 0;
l.precision = 38;
l.s128Value = datatypes::Decimal::maxInt128-1;
r.scale = 0;
r.precision = 38;
r.s128Value = datatypes::Decimal::maxInt128-1;
result.scale = 0;
result.precision = 38;
result.s128Value = 42;
EXPECT_THROW(doAdd(l, r, result), logging::OperationOverflowExcept);
// Add two ints one of which overflows after the scaling.
l.scale = 0;
l.precision = 38;
l.s128Value = datatypes::Decimal::maxInt128-1;
r.scale = 1;
r.precision = 38;
r.s128Value = 0xFFFFFFFFFFFFFFFF;
result.scale = 1;
result.precision = 38;
result.s128Value = 0;
EXPECT_THROW(doAdd(l, r, result), logging::OperationOverflowExcept);
// Normal execution w/o overflow
l.scale = 0;
l.precision = 38;
l.s128Value = datatypes::Decimal::maxInt128-1;
r.scale = 0;
r.precision = 38;
r.s128Value = 0xFFFFFFFFFFFFFFFF;
result.scale = 0;
result.precision = 38;
result.s128Value = 0;
EXPECT_NO_THROW(doDiv(l, r, result));
l.s128Value /= r.s128Value;
EXPECT_EQ(0, result.scale);
EXPECT_EQ(38, result.precision);
EXPECT_EQ(l.s128Value, result.s128Value);
}

8
utils/common/columnwidth.h
View File

@ -18,7 +18,6 @@
#ifndef UTILS_COLWIDTH_H
#define UTILS_COLWIDTH_H
#include "calpontsystemcatalog.h"
#include "branchpred.h"
namespace utils
@ -36,13 +35,6 @@ namespace utils
return width <= MAXLEGACYWIDTH;
}
inline bool isWideDecimalType(const execplan::CalpontSystemCatalog::ColType& ct)
{
return ((ct.colDataType == execplan::CalpontSystemCatalog::DECIMAL ||
ct.colDataType == execplan::CalpontSystemCatalog::UDECIMAL) &&
ct.colWidth == MAXCOLUMNWIDTH);
}
/** @brief Map a DECIMAL precision to data width in bytes */
inline uint8_t widthByPrecision(unsigned p)
{

4
utils/common/widedecimalutils.h
View File

@ -80,9 +80,7 @@ namespace utils
inline void int128Min(int128_t& val)
{
uint64_t* ptr = reinterpret_cast<uint64_t*>(&val);
ptr[0] = 0;
ptr[1] = 0x8000000000000000;
val = int128_t(0x8000000000000000LL) << 64;
}
inline void uint128Max(uint128_t& val)

74
utils/dataconvert/dataconvert.cpp
View File

@ -102,30 +102,6 @@ const string columnstore_big_precision[20] =
"99999999999999999999999999999999999999"
};
const uint64_t columnstore_pow_10[20] =
{
1ULL,
10ULL,
100ULL,
1000ULL,
10000ULL,
100000ULL,
1000000ULL,
10000000ULL,
100000000ULL,
1000000000ULL,
10000000000ULL,
100000000000ULL,
1000000000000ULL,
10000000000000ULL,
100000000000000ULL,
1000000000000000ULL,
10000000000000000ULL,
100000000000000000ULL,
1000000000000000000ULL,
10000000000000000000ULL
};
template <class T>
bool from_string(T& t, const std::string& s, std::ios_base & (*f)(std::ios_base&))
{
@ -1257,33 +1233,30 @@ size_t DataConvert::writeIntPart(int128_t* dec,
{
int128_t intPart = *dec;
int128_t high = 0, mid = 0, low = 0;
uint64_t div = 10000000000000000000ULL;
uint64_t maxUint64divisor = 10000000000000000000ULL;
if (scale)
{
const uint8_t maxPowOf10 =
(sizeof(columnstore_pow_10) / sizeof(columnstore_pow_10[0])) - 1;
// Assuming scale = [0, 56]
switch (scale / maxPowOf10)
switch (scale / datatypes::maxPowOf10)
{
case 2: // scale = [38, 56]
intPart /= columnstore_pow_10[maxPowOf10];
intPart /= columnstore_pow_10[maxPowOf10];
intPart /= datatypes::mcs_pow_10[datatypes::maxPowOf10];
intPart /= datatypes::mcs_pow_10[datatypes::maxPowOf10];
low = intPart;
break;
case 1: // scale = [19, 37]
intPart /= columnstore_pow_10[maxPowOf10];
intPart /= columnstore_pow_10[scale % maxPowOf10];
low = intPart % div;
mid = intPart / div;
intPart /= datatypes::mcs_pow_10[datatypes::maxPowOf10];
intPart /= datatypes::mcs_pow_10[scale % datatypes::maxPowOf10];
low = intPart % maxUint64divisor;
mid = intPart / maxUint64divisor;
break;
case 0: // scale = [0, 18]
intPart /= columnstore_pow_10[scale % maxPowOf10];
low = intPart % div;
intPart /= div;
mid = intPart % div;
high = intPart / div;
intPart /= datatypes::mcs_pow_10[scale % datatypes::maxPowOf10];
low = intPart % maxUint64divisor;
intPart /= maxUint64divisor;
mid = intPart % maxUint64divisor;
high = intPart / maxUint64divisor;
break;
default:
throw QueryDataExcept("writeIntPart() bad scale", formatErr);
@ -1291,10 +1264,10 @@ size_t DataConvert::writeIntPart(int128_t* dec,
}
else
{
low = intPart % div;
intPart /= div;
mid = intPart % div;
high = intPart / div;
low = intPart % maxUint64divisor;
intPart /= maxUint64divisor;
mid = intPart % maxUint64divisor;
high = intPart / maxUint64divisor;
}
// pod[0] is low 8 bytes, pod[1] is high 8 bytes
@ -1337,19 +1310,16 @@ size_t DataConvert::writeFractionalPart(int128_t* dec,
{
int128_t scaleDivisor = 1;
const uint8_t maxPowOf10 =
(sizeof(columnstore_pow_10) / sizeof(columnstore_pow_10[0])) - 1;
switch (scale / maxPowOf10)
switch (scale / datatypes::maxPowOf10)
{
case 2:
scaleDivisor *= columnstore_pow_10[maxPowOf10];
scaleDivisor *= columnstore_pow_10[maxPowOf10];
scaleDivisor *= datatypes::mcs_pow_10[datatypes::maxPowOf10];
scaleDivisor *= datatypes::mcs_pow_10[datatypes::maxPowOf10];
break;
case 1:
scaleDivisor *= columnstore_pow_10[maxPowOf10];
scaleDivisor *= datatypes::mcs_pow_10[datatypes::maxPowOf10];
case 0:
scaleDivisor *= columnstore_pow_10[scale % maxPowOf10];
scaleDivisor *= datatypes::mcs_pow_10[scale % datatypes::maxPowOf10];
}
int128_t fractionalPart = *dec % scaleDivisor;

17
utils/funcexp/funcexp.cpp
View File

@ -42,6 +42,8 @@ using namespace joblist;
#include "../udfsdk/udfsdk.h"
#endif
#include "mcs_decimal.h"
namespace funcexp
{
@ -471,14 +473,23 @@ void FuncExp::evaluate(rowgroup::Row& row, std::vector<execplan::SRCP>& expressi
case CalpontSystemCatalog::UDECIMAL:
{
IDB_Decimal val = expression[i]->getDecimalVal(row, isNull);
// WIP check for null and overflow here.
if (expression[i]->resultType().colWidth == 16)
if (expression[i]->resultType().colWidth
== datatypes::MAXDECIMALWIDTH)
{
if (isNull)
{
row.setBinaryField_offset(
const_cast<int128_t*>(&datatypes::Decimal128Null),
expression[i]->resultType().colWidth,
row.getOffset(expression[i]->outputIndex()));
}
else
{
row.setBinaryField_offset(&val.s128Value,
expression[i]->resultType().colWidth,
row.getOffset(expression[i]->outputIndex()));
}
}
else
{
if (isNull)

10
utils/loggingcpp/exceptclasses.h
View File

@ -187,6 +187,16 @@ public:
std::runtime_error(msg) { }
};
/** @brief Exception for F&E framework to throw on op overflow
* Invalid Operation Exception
*/
class OperationOverflowExcept : public std::runtime_error
{
public:
/** Takes a character string describing the error. */
OperationOverflowExcept(const std::string& msg) :
std::runtime_error(msg) { }
};
/** @brief specific error exception class for getSysData in Calpontsystemcatalog.
* @bug 2574
*

1
utils/rowgroup/rowgroup.cpp
View File

@ -1629,7 +1629,6 @@ void applyMapping(const int* mapping, const Row& in, Row* out)
out->setVarBinaryField(in.getVarBinaryField(i), in.getVarBinaryLength(i), mapping[i]);
else if (UNLIKELY(in.isLongString(i)))
out->setStringField(in.getStringPointer(i), in.getStringLength(i), mapping[i]);
//out->setStringField(in.getStringField(i), mapping[i]);
else if (UNLIKELY(in.isShortString(i)))
out->setUintField(in.getUintField(i), mapping[i]);
else if (UNLIKELY(in.getColTypes()[i] == execplan::CalpontSystemCatalog::LONGDOUBLE))