diff options
author | vitalyisaev <vitalyisaev@ydb.tech> | 2023-11-14 09:58:56 +0300 |
---|---|---|
committer | vitalyisaev <vitalyisaev@ydb.tech> | 2023-11-14 10:20:20 +0300 |
commit | c2b2dfd9827a400a8495e172a56343462e3ceb82 (patch) | |
tree | cd4e4f597d01bede4c82dffeb2d780d0a9046bd0 /contrib/clickhouse/src/AggregateFunctions/AggregateFunctionQuantileTiming.cpp | |
parent | d4ae8f119e67808cb0cf776ba6e0cf95296f2df7 (diff) | |
download | ydb-c2b2dfd9827a400a8495e172a56343462e3ceb82.tar.gz |
YQ Connector: move tests from yql to ydb (OSS)
Перенос папки с тестами на Коннектор из папки yql в папку ydb (синхронизируется с github).
Diffstat (limited to 'contrib/clickhouse/src/AggregateFunctions/AggregateFunctionQuantileTiming.cpp')
-rw-r--r-- | contrib/clickhouse/src/AggregateFunctions/AggregateFunctionQuantileTiming.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/contrib/clickhouse/src/AggregateFunctions/AggregateFunctionQuantileTiming.cpp b/contrib/clickhouse/src/AggregateFunctions/AggregateFunctionQuantileTiming.cpp new file mode 100644 index 0000000000..553123f3e7 --- /dev/null +++ b/contrib/clickhouse/src/AggregateFunctions/AggregateFunctionQuantileTiming.cpp @@ -0,0 +1,60 @@ +#include <AggregateFunctions/AggregateFunctionQuantile.h> +#include <AggregateFunctions/QuantileTiming.h> +#include <AggregateFunctions/AggregateFunctionFactory.h> +#include <AggregateFunctions/Helpers.h> +#include <DataTypes/DataTypeDate.h> +#include <DataTypes/DataTypeDateTime.h> +#include <Core/Field.h> + + +namespace DB +{ +struct Settings; + +namespace ErrorCodes +{ + extern const int ILLEGAL_TYPE_OF_ARGUMENT; +} + +namespace +{ + +template <typename Value, bool _> using FuncQuantileTiming = AggregateFunctionQuantile<Value, QuantileTiming<Value>, NameQuantileTiming, false, Float32, false>; +template <typename Value, bool _> using FuncQuantilesTiming = AggregateFunctionQuantile<Value, QuantileTiming<Value>, NameQuantilesTiming, false, Float32, true>; + +template <template <typename, bool> class Function> +AggregateFunctionPtr createAggregateFunctionQuantile( + const std::string & name, const DataTypes & argument_types, const Array & params, const Settings *) +{ + /// Second argument type check doesn't depend on the type of the first one. + Function<void, true>::assertSecondArg(argument_types); + + const DataTypePtr & argument_type = argument_types[0]; + WhichDataType which(argument_type); + +#define DISPATCH(TYPE) \ + if (which.idx == TypeIndex::TYPE) return std::make_shared<Function<TYPE, true>>(argument_types, params); + FOR_BASIC_NUMERIC_TYPES(DISPATCH) +#undef DISPATCH + if (which.idx == TypeIndex::Date) return std::make_shared<Function<DataTypeDate::FieldType, false>>(argument_types, params); + if (which.idx == TypeIndex::DateTime) return std::make_shared<Function<DataTypeDateTime::FieldType, false>>(argument_types, params); + + throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal type {} of argument for aggregate function {}", + argument_type->getName(), name); +} + +} + +void registerAggregateFunctionsQuantileTiming(AggregateFunctionFactory & factory) +{ + /// For aggregate functions returning array we cannot return NULL on empty set. + AggregateFunctionProperties properties = { .returns_default_when_only_null = true }; + + factory.registerFunction(NameQuantileTiming::name, createAggregateFunctionQuantile<FuncQuantileTiming>); + factory.registerFunction(NameQuantilesTiming::name, { createAggregateFunctionQuantile<FuncQuantilesTiming>, properties }); + + /// 'median' is an alias for 'quantile' + factory.registerAlias("medianTiming", NameQuantileTiming::name); +} + +} |