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authorvitalyisaev <vitalyisaev@ydb.tech>2023-11-14 09:58:56 +0300
committervitalyisaev <vitalyisaev@ydb.tech>2023-11-14 10:20:20 +0300
commitc2b2dfd9827a400a8495e172a56343462e3ceb82 (patch)
treecd4e4f597d01bede4c82dffeb2d780d0a9046bd0 /contrib/clickhouse/src/AggregateFunctions/AggregateFunctionQuantileTiming.cpp
parentd4ae8f119e67808cb0cf776ba6e0cf95296f2df7 (diff)
downloadydb-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.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/contrib/clickhouse/src/AggregateFunctions/AggregateFunctionQuantileTiming.cpp b/contrib/clickhouse/src/AggregateFunctions/AggregateFunctionQuantileTiming.cpp
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index 0000000000..553123f3e7
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+++ 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);
+}
+
+}