database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-08-01 06:46:55 +03:00
Code Activity

clang format apply

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

144
utils/regr/regr_sxx.cpp
View File

@ -26,11 +26,11 @@ using namespace mcsv1sdk;
class Add_regr_sxx_ToUDAFMap
{
public:
Add_regr_sxx_ToUDAFMap()
{
UDAFMap::getMap()["regr_sxx"] = new regr_sxx();
}
public:
Add_regr_sxx_ToUDAFMap()
{
UDAFMap::getMap()["regr_sxx"] = new regr_sxx();
}
};
static Add_regr_sxx_ToUDAFMap addToMap;
@ -38,103 +38,99 @@ static Add_regr_sxx_ToUDAFMap addToMap;
// Use the simple data model
struct regr_sxx_data
{
uint64_t cnt;
long double sumx;
long double sumx2; // sum of (x squared)
uint64_t cnt;
long double sumx;
long double sumx2; // sum of (x squared)
};
mcsv1_UDAF::ReturnCode regr_sxx::init(mcsv1Context* context,
ColumnDatum* colTypes)
mcsv1_UDAF::ReturnCode regr_sxx::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_sxx() with other than 2 arguments");
return mcsv1_UDAF::ERROR;
}
if (!(isNumeric(colTypes[1].dataType)))
{
// The error message will be prepended with
// "The storage engine for the table doesn't support "
context->setErrorMessage("regr_sxx() with a non-numeric independant (second) argument");
return mcsv1_UDAF::ERROR;
}
context->setUserDataSize(sizeof(regr_sxx_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_sxx() with other than 2 arguments");
return mcsv1_UDAF::ERROR;
}
if (!(isNumeric(colTypes[1].dataType)))
{
// The error message will be prepended with
// "The storage engine for the table doesn't support "
context->setErrorMessage("regr_sxx() with a non-numeric independant (second) argument");
return mcsv1_UDAF::ERROR;
}
context->setUserDataSize(sizeof(regr_sxx_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_sxx::reset(mcsv1Context* context)
{
struct regr_sxx_data* data = (struct regr_sxx_data*)context->getUserData()->data;
data->cnt = 0;
data->sumx = 0.0;
data->sumx2 = 0.0;
return mcsv1_UDAF::SUCCESS;
struct regr_sxx_data* data = (struct regr_sxx_data*)context->getUserData()->data;
data->cnt = 0;
data->sumx = 0.0;
data->sumx2 = 0.0;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode regr_sxx::nextValue(mcsv1Context* context, ColumnDatum* valsIn)
{
double valx = toDouble(valsIn[1]);
struct regr_sxx_data* data = (struct regr_sxx_data*)context->getUserData()->data;
double valx = toDouble(valsIn[1]);
struct regr_sxx_data* data = (struct regr_sxx_data*)context->getUserData()->data;
data->sumx += valx;
data->sumx2 += valx*valx;
data->sumx += valx;
data->sumx2 += valx * valx;
++data->cnt;
return mcsv1_UDAF::SUCCESS;
++data->cnt;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode regr_sxx::subEvaluate(mcsv1Context* context, const UserData* userDataIn)
{
if (!userDataIn)
{
return mcsv1_UDAF::SUCCESS;
}
struct regr_sxx_data* outData = (struct regr_sxx_data*)context->getUserData()->data;
struct regr_sxx_data* inData = (struct regr_sxx_data*)userDataIn->data;
outData->sumx += inData->sumx;
outData->sumx2 += inData->sumx2;
outData->cnt += inData->cnt;
if (!userDataIn)
{
return mcsv1_UDAF::SUCCESS;
}
struct regr_sxx_data* outData = (struct regr_sxx_data*)context->getUserData()->data;
struct regr_sxx_data* inData = (struct regr_sxx_data*)userDataIn->data;
outData->sumx += inData->sumx;
outData->sumx2 += inData->sumx2;
outData->cnt += inData->cnt;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode regr_sxx::evaluate(mcsv1Context* context, static_any::any& valOut)
{
struct regr_sxx_data* data = (struct regr_sxx_data*)context->getUserData()->data;
long double N = data->cnt;
if (N > 0)
{
long double regr_sxx = (data->sumx2 - (data->sumx * data->sumx / N));
if (regr_sxx < 0) // catch -0
regr_sxx = 0;
valOut = static_cast<double>(regr_sxx);
}
return mcsv1_UDAF::SUCCESS;
struct regr_sxx_data* data = (struct regr_sxx_data*)context->getUserData()->data;
long double N = data->cnt;
if (N > 0)
{
long double regr_sxx = (data->sumx2 - (data->sumx * data->sumx / N));
if (regr_sxx < 0) // catch -0
regr_sxx = 0;
valOut = static_cast<double>(regr_sxx);
}
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode regr_sxx::dropValue(mcsv1Context* context, ColumnDatum* valsDropped)
{
double valx = toDouble(valsDropped[1]);
struct regr_sxx_data* data = (struct regr_sxx_data*)context->getUserData()->data;
double valx = toDouble(valsDropped[1]);
struct regr_sxx_data* data = (struct regr_sxx_data*)context->getUserData()->data;
data->sumx -= valx;
data->sumx2 -= valx*valx;
data->sumx -= valx;
data->sumx2 -= valx * valx;
--data->cnt;
--data->cnt;
return mcsv1_UDAF::SUCCESS;
return mcsv1_UDAF::SUCCESS;
}