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MCOL-4629 Add a helper method mcsv1_UDAF::toDouble()

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This commit is contained in:
Alexander Barkov
2021-03-22 11:06:42 +04:00
parent 5943261bfc
commit ca7a310309
15 changed files with 59 additions and 491 deletions
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26
utils/udfsdk/avgx.cpp
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@ -73,23 +73,14 @@ mcsv1_UDAF::ReturnCode avgx::reset(mcsv1Context* context)
mcsv1_UDAF::ReturnCode avgx::nextValue(mcsv1Context* context, ColumnDatum* valsIn)
{
static_any::any& valIn_x = valsIn[0].columnData;
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
if (valIn_x.empty())
if (valsIn[0].columnData.empty())
{
return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
}
DATATYPE val = convertAnyTo<double>(valIn_x);
// For decimal types, we need to move the decimal point.
uint32_t scale = valsIn[0].scale;
if (val != 0 && scale > 0)
{
val /= pow(10.0, (double)scale);
}
DATATYPE val = toDouble(valsIn[0]);
data->sum += val;
++data->cnt;
@ -125,23 +116,14 @@ mcsv1_UDAF::ReturnCode avgx::evaluate(mcsv1Context* context, static_any::any& va
mcsv1_UDAF::ReturnCode avgx::dropValue(mcsv1Context* context, ColumnDatum* valsDropped)
{
static_any::any& valIn_x = valsDropped[0].columnData;
struct avgx_data* data = (struct avgx_data*)context->getUserData()->data;
if (valIn_x.empty())
if (valsDropped[0].columnData.empty())
{
return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
}
DATATYPE val = convertAnyTo<double>(valIn_x);
// For decimal types, we need to move the decimal point.
uint32_t scale = valsDropped[0].scale;
if (val != 0 && scale > 0)
{
val /= pow(10.0, (double)scale);
}
DATATYPE val = toDouble(valsDropped[0]);
data->sum -= val;
--data->cnt;