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Reformat all code to coding standard
This commit is contained in:
Andrew Hutchings
501
utils/udfsdk/median.cpp
Executable file → Normal file
501
utils/udfsdk/median.cpp
Executable file → Normal file
@ -25,290 +25,307 @@
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using namespace mcsv1sdk;
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mcsv1_UDAF::ReturnCode median::init(mcsv1Context* context,
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COL_TYPES& colTypes)
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COL_TYPES& colTypes)
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{
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if (colTypes.size() < 1)
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{
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// The error message will be prepended with
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// "The storage engine for the table doesn't support "
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context->setErrorMessage("median() with 0 arguments");
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return mcsv1_UDAF::ERROR;
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}
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if (colTypes.size() > 1)
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{
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context->setErrorMessage("median() with more than 1 argument");
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return mcsv1_UDAF::ERROR;
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}
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if (colTypes.size() < 1)
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{
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// The error message will be prepended with
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// "The storage engine for the table doesn't support "
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context->setErrorMessage("median() with 0 arguments");
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return mcsv1_UDAF::ERROR;
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}
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if (!(isNumeric(colTypes[0].second)))
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{
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// The error message will be prepended with
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// "The storage engine for the table doesn't support "
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context->setErrorMessage("median() with non-numeric argument");
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return mcsv1_UDAF::ERROR;
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}
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if (colTypes.size() > 1)
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{
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context->setErrorMessage("median() with more than 1 argument");
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return mcsv1_UDAF::ERROR;
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}
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context->setResultType(CalpontSystemCatalog::DOUBLE);
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context->setColWidth(8);
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context->setScale(context->getScale()*2);
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context->setPrecision(19);
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context->setRunFlag(mcsv1sdk::UDAF_IGNORE_NULLS);
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return mcsv1_UDAF::SUCCESS;
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if (!(isNumeric(colTypes[0].second)))
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{
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// The error message will be prepended with
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// "The storage engine for the table doesn't support "
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context->setErrorMessage("median() with non-numeric argument");
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return mcsv1_UDAF::ERROR;
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}
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context->setResultType(CalpontSystemCatalog::DOUBLE);
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context->setColWidth(8);
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context->setScale(context->getScale() * 2);
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context->setPrecision(19);
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context->setRunFlag(mcsv1sdk::UDAF_IGNORE_NULLS);
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return mcsv1_UDAF::SUCCESS;
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}
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mcsv1_UDAF::ReturnCode median::reset(mcsv1Context* context)
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{
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MedianData* data = static_cast<MedianData*>(context->getUserData());
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data->mData.clear();
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return mcsv1_UDAF::SUCCESS;
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MedianData* data = static_cast<MedianData*>(context->getUserData());
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data->mData.clear();
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return mcsv1_UDAF::SUCCESS;
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}
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mcsv1_UDAF::ReturnCode median::nextValue(mcsv1Context* context,
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std::vector<ColumnDatum>& valsIn)
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mcsv1_UDAF::ReturnCode median::nextValue(mcsv1Context* context,
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std::vector<ColumnDatum>& valsIn)
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{
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static_any::any& valIn = valsIn[0].columnData;
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MEDIAN_DATA& data = static_cast<MedianData*>(context->getUserData())->mData;
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DATATYPE val = 0.0;
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static_any::any& valIn = valsIn[0].columnData;
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MEDIAN_DATA& data = static_cast<MedianData*>(context->getUserData())->mData;
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DATATYPE val = 0.0;
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if (valIn.empty())
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{
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return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
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}
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if (valIn.empty())
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{
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return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
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}
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if (valIn.compatible(charTypeId))
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{
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val = valIn.cast<char>();
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}
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else if (valIn.compatible(scharTypeId))
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{
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val = valIn.cast<signed char>();
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}
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else if (valIn.compatible(shortTypeId))
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{
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val = valIn.cast<short>();
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}
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else if (valIn.compatible(intTypeId))
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{
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val = valIn.cast<int>();
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}
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else if (valIn.compatible(longTypeId))
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{
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val = valIn.cast<long>();
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}
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else if (valIn.compatible(llTypeId))
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{
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val = valIn.cast<long long>();
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}
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else if (valIn.compatible(ucharTypeId))
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{
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val = valIn.cast<unsigned char>();
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}
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else if (valIn.compatible(ushortTypeId))
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{
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val = valIn.cast<unsigned short>();
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}
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else if (valIn.compatible(uintTypeId))
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{
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val = valIn.cast<unsigned int>();
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}
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else if (valIn.compatible(ulongTypeId))
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{
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val = valIn.cast<unsigned long>();
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}
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else if (valIn.compatible(ullTypeId))
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{
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val = valIn.cast<unsigned long long>();
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}
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else if (valIn.compatible(floatTypeId))
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{
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val = valIn.cast<float>();
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}
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else if (valIn.compatible(doubleTypeId))
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{
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val = valIn.cast<double>();
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}
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if (valIn.compatible(charTypeId))
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{
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val = valIn.cast<char>();
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}
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else if (valIn.compatible(scharTypeId))
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{
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val = valIn.cast<signed char>();
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}
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else if (valIn.compatible(shortTypeId))
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{
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val = valIn.cast<short>();
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}
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else if (valIn.compatible(intTypeId))
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{
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val = valIn.cast<int>();
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}
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else if (valIn.compatible(longTypeId))
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{
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val = valIn.cast<long>();
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}
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else if (valIn.compatible(llTypeId))
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{
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val = valIn.cast<long long>();
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}
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else if (valIn.compatible(ucharTypeId))
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{
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val = valIn.cast<unsigned char>();
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}
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else if (valIn.compatible(ushortTypeId))
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{
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val = valIn.cast<unsigned short>();
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}
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else if (valIn.compatible(uintTypeId))
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{
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val = valIn.cast<unsigned int>();
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}
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else if (valIn.compatible(ulongTypeId))
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{
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val = valIn.cast<unsigned long>();
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}
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else if (valIn.compatible(ullTypeId))
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{
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val = valIn.cast<unsigned long long>();
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}
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else if (valIn.compatible(floatTypeId))
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{
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val = valIn.cast<float>();
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}
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else if (valIn.compatible(doubleTypeId))
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{
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val = valIn.cast<double>();
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}
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// For decimal types, we need to move the decimal point.
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uint32_t scale = valsIn[0].scale;
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if (val != 0 && scale > 0)
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{
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val /= pow(10.0, (double)scale);
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}
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data[val]++;
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// For decimal types, we need to move the decimal point.
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uint32_t scale = valsIn[0].scale;
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return mcsv1_UDAF::SUCCESS;
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if (val != 0 && scale > 0)
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{
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val /= pow(10.0, (double)scale);
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}
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data[val]++;
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return mcsv1_UDAF::SUCCESS;
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}
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mcsv1_UDAF::ReturnCode median::subEvaluate(mcsv1Context* context, const UserData* userDataIn)
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{
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if (!userDataIn)
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{
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return mcsv1_UDAF::SUCCESS;
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}
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MEDIAN_DATA& outData = static_cast<MedianData*>(context->getUserData())->mData;
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const MEDIAN_DATA& inData = static_cast<const MedianData*>(userDataIn)->mData;
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MEDIAN_DATA::const_iterator iter = inData.begin();
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for (; iter != inData.end(); ++iter)
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{
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outData[iter->first] += iter->second;
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}
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return mcsv1_UDAF::SUCCESS;
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if (!userDataIn)
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{
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return mcsv1_UDAF::SUCCESS;
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}
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MEDIAN_DATA& outData = static_cast<MedianData*>(context->getUserData())->mData;
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const MEDIAN_DATA& inData = static_cast<const MedianData*>(userDataIn)->mData;
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MEDIAN_DATA::const_iterator iter = inData.begin();
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for (; iter != inData.end(); ++iter)
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{
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outData[iter->first] += iter->second;
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}
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return mcsv1_UDAF::SUCCESS;
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}
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mcsv1_UDAF::ReturnCode median::evaluate(mcsv1Context* context, static_any::any& valOut)
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{
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uint64_t cnt1=0, cnt2=0;
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MEDIAN_DATA& data = static_cast<MedianData*>(context->getUserData())->mData;
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if (data.size() == 0)
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{
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valOut = (DATATYPE)0;
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return mcsv1_UDAF::SUCCESS;
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}
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MEDIAN_DATA::iterator iter(data.begin());
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MEDIAN_DATA::iterator revfrom(data.end());
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MEDIAN_DATA::reverse_iterator riter(revfrom);
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cnt1 += iter->second;
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cnt2 += riter->second;
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while (iter->first < riter->first)
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{
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while (cnt1 < cnt2 && iter->first < riter->first)
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{
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++iter;
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cnt1 += iter->second;
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}
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while (cnt2 < cnt1 &&iter->first < riter->first)
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{
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++riter;
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cnt2 += riter->second;
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}
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while (cnt1 == cnt2 && iter->first < riter->first)
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{
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++iter;
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cnt1 += iter->second;
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if (iter->first > riter->first)
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{
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break;
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}
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++riter;
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cnt2 += riter->second;
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}
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}
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valOut = (iter->first + riter->first) / 2;
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return mcsv1_UDAF::SUCCESS;
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uint64_t cnt1 = 0, cnt2 = 0;
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MEDIAN_DATA& data = static_cast<MedianData*>(context->getUserData())->mData;
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if (data.size() == 0)
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{
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valOut = (DATATYPE)0;
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return mcsv1_UDAF::SUCCESS;
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}
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MEDIAN_DATA::iterator iter(data.begin());
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MEDIAN_DATA::iterator revfrom(data.end());
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MEDIAN_DATA::reverse_iterator riter(revfrom);
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cnt1 += iter->second;
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cnt2 += riter->second;
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while (iter->first < riter->first)
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{
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while (cnt1 < cnt2 && iter->first < riter->first)
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{
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++iter;
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cnt1 += iter->second;
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}
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while (cnt2 < cnt1 && iter->first < riter->first)
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{
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++riter;
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cnt2 += riter->second;
|
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}
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|
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while (cnt1 == cnt2 && iter->first < riter->first)
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{
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++iter;
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cnt1 += iter->second;
|
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|
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if (iter->first > riter->first)
|
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{
|
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break;
|
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}
|
||||
|
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++riter;
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cnt2 += riter->second;
|
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}
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}
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valOut = (iter->first + riter->first) / 2;
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return mcsv1_UDAF::SUCCESS;
|
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}
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mcsv1_UDAF::ReturnCode median::dropValue(mcsv1Context* context,
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std::vector<ColumnDatum>& valsDropped)
|
||||
mcsv1_UDAF::ReturnCode median::dropValue(mcsv1Context* context,
|
||||
std::vector<ColumnDatum>& valsDropped)
|
||||
{
|
||||
static_any::any& valIn = valsDropped[0].columnData;
|
||||
MEDIAN_DATA& data = static_cast<MedianData*>(context->getUserData())->mData;
|
||||
DATATYPE val = 0.0;
|
||||
static_any::any& valIn = valsDropped[0].columnData;
|
||||
MEDIAN_DATA& data = static_cast<MedianData*>(context->getUserData())->mData;
|
||||
DATATYPE val = 0.0;
|
||||
|
||||
if (valIn.empty())
|
||||
{
|
||||
return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
|
||||
}
|
||||
if (valIn.empty())
|
||||
{
|
||||
return mcsv1_UDAF::SUCCESS; // Ought not happen when UDAF_IGNORE_NULLS is on.
|
||||
}
|
||||
|
||||
if (valIn.compatible(charTypeId))
|
||||
{
|
||||
val = valIn.cast<char>();
|
||||
}
|
||||
else if (valIn.compatible(scharTypeId))
|
||||
{
|
||||
val = valIn.cast<signed char>();
|
||||
}
|
||||
else if (valIn.compatible(shortTypeId))
|
||||
{
|
||||
val = valIn.cast<short>();
|
||||
}
|
||||
else if (valIn.compatible(intTypeId))
|
||||
{
|
||||
val = valIn.cast<int>();
|
||||
}
|
||||
else if (valIn.compatible(longTypeId))
|
||||
{
|
||||
val = valIn.cast<long>();
|
||||
}
|
||||
else if (valIn.compatible(llTypeId))
|
||||
{
|
||||
val = valIn.cast<long long>();
|
||||
}
|
||||
else if (valIn.compatible(ucharTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned char>();
|
||||
}
|
||||
else if (valIn.compatible(ushortTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned short>();
|
||||
}
|
||||
else if (valIn.compatible(uintTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned int>();
|
||||
}
|
||||
else if (valIn.compatible(ulongTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned long>();
|
||||
}
|
||||
else if (valIn.compatible(ullTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned long long>();
|
||||
}
|
||||
else if (valIn.compatible(floatTypeId))
|
||||
{
|
||||
val = valIn.cast<float>();
|
||||
}
|
||||
else if (valIn.compatible(doubleTypeId))
|
||||
{
|
||||
val = valIn.cast<double>();
|
||||
}
|
||||
if (valIn.compatible(charTypeId))
|
||||
{
|
||||
val = valIn.cast<char>();
|
||||
}
|
||||
else if (valIn.compatible(scharTypeId))
|
||||
{
|
||||
val = valIn.cast<signed char>();
|
||||
}
|
||||
else if (valIn.compatible(shortTypeId))
|
||||
{
|
||||
val = valIn.cast<short>();
|
||||
}
|
||||
else if (valIn.compatible(intTypeId))
|
||||
{
|
||||
val = valIn.cast<int>();
|
||||
}
|
||||
else if (valIn.compatible(longTypeId))
|
||||
{
|
||||
val = valIn.cast<long>();
|
||||
}
|
||||
else if (valIn.compatible(llTypeId))
|
||||
{
|
||||
val = valIn.cast<long long>();
|
||||
}
|
||||
else if (valIn.compatible(ucharTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned char>();
|
||||
}
|
||||
else if (valIn.compatible(ushortTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned short>();
|
||||
}
|
||||
else if (valIn.compatible(uintTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned int>();
|
||||
}
|
||||
else if (valIn.compatible(ulongTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned long>();
|
||||
}
|
||||
else if (valIn.compatible(ullTypeId))
|
||||
{
|
||||
val = valIn.cast<unsigned long long>();
|
||||
}
|
||||
else if (valIn.compatible(floatTypeId))
|
||||
{
|
||||
val = valIn.cast<float>();
|
||||
}
|
||||
else if (valIn.compatible(doubleTypeId))
|
||||
{
|
||||
val = valIn.cast<double>();
|
||||
}
|
||||
|
||||
// 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);
|
||||
}
|
||||
// For decimal types, we need to move the decimal point.
|
||||
uint32_t scale = valsDropped[0].scale;
|
||||
|
||||
data[val]--;
|
||||
if (val != 0 && scale > 0)
|
||||
{
|
||||
val /= pow(10.0, (double)scale);
|
||||
}
|
||||
|
||||
return mcsv1_UDAF::SUCCESS;
|
||||
data[val]--;
|
||||
|
||||
return mcsv1_UDAF::SUCCESS;
|
||||
}
|
||||
|
||||
mcsv1_UDAF::ReturnCode median::createUserData(UserData*& userData, int32_t& length)
|
||||
{
|
||||
userData = new MedianData;
|
||||
length = sizeof(MedianData);
|
||||
return mcsv1_UDAF::SUCCESS;
|
||||
userData = new MedianData;
|
||||
length = sizeof(MedianData);
|
||||
return mcsv1_UDAF::SUCCESS;
|
||||
}
|
||||
|
||||
void MedianData::serialize(messageqcpp::ByteStream& bs) const
|
||||
{
|
||||
MEDIAN_DATA::const_iterator iter = mData.begin();
|
||||
DATATYPE num;
|
||||
uint32_t cnt;
|
||||
bs << (int32_t)mData.size();
|
||||
for (; iter != mData.end(); ++iter)
|
||||
{
|
||||
num = iter->first;
|
||||
bs << num;
|
||||
cnt = iter->second;
|
||||
bs << cnt;
|
||||
}
|
||||
MEDIAN_DATA::const_iterator iter = mData.begin();
|
||||
DATATYPE num;
|
||||
uint32_t cnt;
|
||||
bs << (int32_t)mData.size();
|
||||
|
||||
for (; iter != mData.end(); ++iter)
|
||||
{
|
||||
num = iter->first;
|
||||
bs << num;
|
||||
cnt = iter->second;
|
||||
bs << cnt;
|
||||
}
|
||||
}
|
||||
|
||||
void MedianData::unserialize(messageqcpp::ByteStream& bs)
|
||||
{
|
||||
mData.clear();
|
||||
int32_t sz;
|
||||
DATATYPE num;
|
||||
uint32_t cnt;
|
||||
bs >> sz;
|
||||
for (int i = 0; i < sz; ++i)
|
||||
{
|
||||
bs >> num;
|
||||
bs >> cnt;
|
||||
mData[num] = cnt;
|
||||
}
|
||||
mData.clear();
|
||||
int32_t sz;
|
||||
DATATYPE num;
|
||||
uint32_t cnt;
|
||||
bs >> sz;
|
||||
|
||||
for (int i = 0; i < sz; ++i)
|
||||
{
|
||||
bs >> num;
|
||||
bs >> cnt;
|
||||
mData[num] = cnt;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user