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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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145
utils/udfsdk/ssq.cpp
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@ -27,112 +27,111 @@ using namespace mcsv1sdk;
struct ssq_data
{
uint64_t scale;
DATATYPE sumsq;
ssq_data() : scale(0) {}
uint64_t scale;
DATATYPE sumsq;
ssq_data() : scale(0)
{
}
};
#define OUT_TYPE int64_t
mcsv1_UDAF::ReturnCode ssq::init(mcsv1Context* context,
ColumnDatum* colTypes)
mcsv1_UDAF::ReturnCode ssq::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("ssq() with 0 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("ssq() with 0 arguments");
return mcsv1_UDAF::ERROR;
}
if (context->getParameterCount() > 1)
{
context->setErrorMessage("ssq() with more than 1 argument");
return mcsv1_UDAF::ERROR;
}
if (context->getParameterCount() > 1)
{
context->setErrorMessage("ssq() with more than 1 argument");
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("ssq() with non-numeric argument");
return mcsv1_UDAF::ERROR;
}
context->setUserDataSize(sizeof(ssq_data));
context->setResultType(execplan::CalpontSystemCatalog::DOUBLE);
context->setColWidth(8);
context->setScale(context->getScale() * 2);
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("ssq() with non-numeric argument");
return mcsv1_UDAF::ERROR;
}
context->setUserDataSize(sizeof(ssq_data));
context->setResultType(execplan::CalpontSystemCatalog::DOUBLE);
context->setColWidth(8);
context->setScale(context->getScale() * 2);
context->setPrecision(19);
context->setRunFlag(mcsv1sdk::UDAF_IGNORE_NULLS);
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode ssq::reset(mcsv1Context* context)
{
struct ssq_data* data = (struct ssq_data*)context->getUserData()->data;
struct ssq_data* data = (struct ssq_data*)context->getUserData()->data;
if (data)
{
data->scale = 0;
data->sumsq = 0;
}
if (data)
{
data->scale = 0;
data->sumsq = 0;
}
return mcsv1_UDAF::SUCCESS;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode ssq::nextValue(mcsv1Context* context, ColumnDatum* valsIn)
{
struct ssq_data* data = (struct ssq_data*)context->getUserData()->data;
struct ssq_data* data = (struct ssq_data*)context->getUserData()->data;
if (context->isParamNull(0) || valsIn[0].columnData.empty())
{
return mcsv1_UDAF::SUCCESS;
}
DATATYPE val = toDouble(valsIn[0]);
data->sumsq += val * val;
if (context->isParamNull(0) || valsIn[0].columnData.empty())
{
return mcsv1_UDAF::SUCCESS;
}
DATATYPE val = toDouble(valsIn[0]);
data->sumsq += val * val;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode ssq::subEvaluate(mcsv1Context* context, const UserData* userDataIn)
{
// If we turn off UDAF_IGNORE_NULLS in init(), then NULLS may be sent here in cases of Joins.
// When a NULL value is sent here, userDataIn will be NULL, so check for NULLS.
if (context->isParamNull(0))
{
return mcsv1_UDAF::SUCCESS;
}
struct ssq_data* outData = (struct ssq_data*)context->getUserData()->data;
struct ssq_data* inData = (struct ssq_data*)userDataIn->data;
outData->sumsq += inData->sumsq;
// If we turn off UDAF_IGNORE_NULLS in init(), then NULLS may be sent here in cases of Joins.
// When a NULL value is sent here, userDataIn will be NULL, so check for NULLS.
if (context->isParamNull(0))
{
return mcsv1_UDAF::SUCCESS;
}
struct ssq_data* outData = (struct ssq_data*)context->getUserData()->data;
struct ssq_data* inData = (struct ssq_data*)userDataIn->data;
outData->sumsq += inData->sumsq;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode ssq::evaluate(mcsv1Context* context, static_any::any& valOut)
{
struct ssq_data* data = (struct ssq_data*)context->getUserData()->data;
valOut = data->sumsq;
return mcsv1_UDAF::SUCCESS;
struct ssq_data* data = (struct ssq_data*)context->getUserData()->data;
valOut = data->sumsq;
return mcsv1_UDAF::SUCCESS;
}
mcsv1_UDAF::ReturnCode ssq::dropValue(mcsv1Context* context, ColumnDatum* valsDropped)
{
struct ssq_data* data = (struct ssq_data*)context->getUserData()->data;
struct ssq_data* data = (struct ssq_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->sumsq -= val * val;
return mcsv1_UDAF::SUCCESS;
data->sumsq -= val * val;
return mcsv1_UDAF::SUCCESS;
}