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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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128
utils/udfsdk/avgx.cpp
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@ -29,105 +29,101 @@ using namespace mcsv1sdk;
// Use the simple data model
struct avgx_data
{
double sum;
uint64_t cnt;
double sum;
uint64_t cnt;
};
mcsv1_UDAF::ReturnCode avgx::init(mcsv1Context* context,
ColumnDatum* colTypes)
mcsv1_UDAF::ReturnCode avgx::init(mcsv1Context* context, ColumnDatum* colTypes)
{
if (context->getParameterCount() != 1)
{
// The error message will be prepended with
// "The storage engine for the table doesn't support "
context->setErrorMessage("avgx() with other than 1 arguments");
return mcsv1_UDAF::ERROR;
}
if (context->getParameterCount() != 1)
{
// The error message will be prepended with
// "The storage engine for the table doesn't support "
context->setErrorMessage("avgx() with other than 1 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("avgx() with a non-numeric x argument");
return mcsv1_UDAF::ERROR;
}
context->setUserDataSize(sizeof(avgx_data));
context->setResultType(execplan::CalpontSystemCatalog::DOUBLE);
context->setColWidth(8);
context->setScale(colTypes[0].scale + 4);
context->setPrecision(19);
context->setRunFlag(mcsv1sdk::UDAF_IGNORE_NULLS);
return mcsv1_UDAF::SUCCESS;
if (!(isNumeric(colTypes[0].dataType)))
{
// The error message will be prepended with
// "The storage engine for the table doesn't support "
context->setErrorMessage("avgx() with a non-numeric x argument");
return mcsv1_UDAF::ERROR;
}
context->setUserDataSize(sizeof(avgx_data));
context->setResultType(execplan::CalpontSystemCatalog::DOUBLE);
context->setColWidth(8);
context->setScale(colTypes[0].scale + 4);
context->setPrecision(19);
context->setRunFlag(mcsv1sdk::UDAF_IGNORE_NULLS);
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode avgx::reset(mcsv1Context* context)
{
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
data->sum = 0;
data->cnt = 0;
return mcsv1_UDAF::SUCCESS;
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
data->sum = 0;
data->cnt = 0;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode avgx::nextValue(mcsv1Context* context, ColumnDatum* valsIn)
{
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
if (valsIn[0].columnData.empty())
{
return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
}
if (valsIn[0].columnData.empty())
{
return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
}
DATATYPE val = toDouble(valsIn[0]);
DATATYPE val = toDouble(valsIn[0]);
data->sum += val;
++data->cnt;
data->sum += val;
++data->cnt;
return mcsv1_UDAF::SUCCESS;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode avgx::subEvaluate(mcsv1Context* context, const UserData* userDataIn)
{
if (!userDataIn)
{
return mcsv1_UDAF::SUCCESS;
}
struct avgx_data* outData = (struct avgx_data*)context->getUserData()->data;
struct avgx_data* inData = (struct avgx_data*)userDataIn->data;
outData->sum += inData->sum;
outData->cnt += inData->cnt;
if (!userDataIn)
{
return mcsv1_UDAF::SUCCESS;
}
struct avgx_data* outData = (struct avgx_data*)context->getUserData()->data;
struct avgx_data* inData = (struct avgx_data*)userDataIn->data;
outData->sum += inData->sum;
outData->cnt += inData->cnt;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode avgx::evaluate(mcsv1Context* context, static_any::any& valOut)
{
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
valOut = data->sum / (double)data->cnt;
return mcsv1_UDAF::SUCCESS;
valOut = data->sum / (double)data->cnt;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode avgx::dropValue(mcsv1Context* context, ColumnDatum* valsDropped)
{
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
if (valsDropped[0].columnData.empty())
{
return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
}
if (valsDropped[0].columnData.empty())
{
return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
}
DATATYPE val = toDouble(valsDropped[0]);
DATATYPE val = toDouble(valsDropped[0]);
data->sum -= val;
--data->cnt;
data->sum -= val;
--data->cnt;
return mcsv1_UDAF::SUCCESS;
return mcsv1_UDAF::SUCCESS;
}