database/mariadb-columnstore-engine
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This commit is contained in:
Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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144
utils/regr/regr_syy.cpp
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@ -26,11 +26,11 @@ using namespace mcsv1sdk;
class Add_regr_syy_ToUDAFMap
{
public:
Add_regr_syy_ToUDAFMap()
{
UDAFMap::getMap()["regr_syy"] = new regr_syy();
}
public:
Add_regr_syy_ToUDAFMap()
{
UDAFMap::getMap()["regr_syy"] = new regr_syy();
}
};
static Add_regr_syy_ToUDAFMap addToMap;
@ -38,103 +38,99 @@ static Add_regr_syy_ToUDAFMap addToMap;
// Use the simple data model
struct regr_syy_data
{
uint64_t cnt;
long double sumy;
long double sumy2; // sum of (y squared)
uint64_t cnt;
long double sumy;
long double sumy2; // sum of (y squared)
};
mcsv1_UDAF::ReturnCode regr_syy::init(mcsv1Context* context,
ColumnDatum* colTypes)
mcsv1_UDAF::ReturnCode regr_syy::init(mcsv1Context* context, ColumnDatum* colTypes)
{
if (context->getParameterCount() != 2)
{
// The error message will be prepended with
// "The storage engine for the table doesn't support "
context->setErrorMessage("regr_syy() with other than 2 arguments");
return mcsv1_UDAF::ERROR;
}
if (!(isNumeric(colTypes[0].dataType)))
{
// The error message will be prepended with
// "The storage engine for the table doesn't support "
context->setErrorMessage("regr_syy() with a non-numeric dependant (first) argument");
return mcsv1_UDAF::ERROR;
}
context->setUserDataSize(sizeof(regr_syy_data));
context->setResultType(execplan::CalpontSystemCatalog::DOUBLE);
context->setColWidth(8);
context->setScale(DECIMAL_NOT_SPECIFIED);
context->setPrecision(0);
context->setRunFlag(mcsv1sdk::UDAF_IGNORE_NULLS);
return mcsv1_UDAF::SUCCESS;
if (context->getParameterCount() != 2)
{
// The error message will be prepended with
// "The storage engine for the table doesn't support "
context->setErrorMessage("regr_syy() with other than 2 arguments");
return mcsv1_UDAF::ERROR;
}
if (!(isNumeric(colTypes[0].dataType)))
{
// The error message will be prepended with
// "The storage engine for the table doesn't support "
context->setErrorMessage("regr_syy() with a non-numeric dependant (first) argument");
return mcsv1_UDAF::ERROR;
}
context->setUserDataSize(sizeof(regr_syy_data));
context->setResultType(execplan::CalpontSystemCatalog::DOUBLE);
context->setColWidth(8);
context->setScale(DECIMAL_NOT_SPECIFIED);
context->setPrecision(0);
context->setRunFlag(mcsv1sdk::UDAF_IGNORE_NULLS);
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode regr_syy::reset(mcsv1Context* context)
{
struct regr_syy_data* data = (struct regr_syy_data*)context->getUserData()->data;
data->cnt = 0;
data->sumy = 0.0;
data->sumy2 = 0.0;
return mcsv1_UDAF::SUCCESS;
struct regr_syy_data* data = (struct regr_syy_data*)context->getUserData()->data;
data->cnt = 0;
data->sumy = 0.0;
data->sumy2 = 0.0;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode regr_syy::nextValue(mcsv1Context* context, ColumnDatum* valsIn)
{
double valy = toDouble(valsIn[0]);
struct regr_syy_data* data = (struct regr_syy_data*)context->getUserData()->data;
double valy = toDouble(valsIn[0]);
struct regr_syy_data* data = (struct regr_syy_data*)context->getUserData()->data;
data->sumy += valy;
data->sumy2 += valy*valy;
data->sumy += valy;
data->sumy2 += valy * valy;
++data->cnt;
return mcsv1_UDAF::SUCCESS;
++data->cnt;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode regr_syy::subEvaluate(mcsv1Context* context, const UserData* userDataIn)
{
if (!userDataIn)
{
return mcsv1_UDAF::SUCCESS;
}
struct regr_syy_data* outData = (struct regr_syy_data*)context->getUserData()->data;
struct regr_syy_data* inData = (struct regr_syy_data*)userDataIn->data;
outData->sumy += inData->sumy;
outData->sumy2 += inData->sumy2;
outData->cnt += inData->cnt;
if (!userDataIn)
{
return mcsv1_UDAF::SUCCESS;
}
struct regr_syy_data* outData = (struct regr_syy_data*)context->getUserData()->data;
struct regr_syy_data* inData = (struct regr_syy_data*)userDataIn->data;
outData->sumy += inData->sumy;
outData->sumy2 += inData->sumy2;
outData->cnt += inData->cnt;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode regr_syy::evaluate(mcsv1Context* context, static_any::any& valOut)
{
struct regr_syy_data* data = (struct regr_syy_data*)context->getUserData()->data;
long double N = data->cnt;
if (N > 0)
{
long double var_popy = (data->sumy2 - (data->sumy * data->sumy / N));
if (var_popy < 0) // might be -0
var_popy = 0;
valOut = static_cast<double>(var_popy);
}
return mcsv1_UDAF::SUCCESS;
struct regr_syy_data* data = (struct regr_syy_data*)context->getUserData()->data;
long double N = data->cnt;
if (N > 0)
{
long double var_popy = (data->sumy2 - (data->sumy * data->sumy / N));
if (var_popy < 0) // might be -0
var_popy = 0;
valOut = static_cast<double>(var_popy);
}
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode regr_syy::dropValue(mcsv1Context* context, ColumnDatum* valsDropped)
{
double valy = toDouble(valsDropped[0]);
struct regr_syy_data* data = (struct regr_syy_data*)context->getUserData()->data;
double valy = toDouble(valsDropped[0]);
struct regr_syy_data* data = (struct regr_syy_data*)context->getUserData()->data;
data->sumy -= valy;
data->sumy2 -= valy*valy;
data->sumy -= valy;
data->sumy2 -= valy * valy;
--data->cnt;
--data->cnt;
return mcsv1_UDAF::SUCCESS;
return mcsv1_UDAF::SUCCESS;
}