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96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
#pragma once
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#include <Functions/IFunction.h>
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#include <Functions/FunctionFactory.h>
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#include <Functions/GatherUtils/GatherUtils.h>
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#include <DataTypes/DataTypeArray.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <DataTypes/DataTypeNothing.h>
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#include <DataTypes/DataTypeNullable.h>
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#include <DataTypes/getLeastSupertype.h>
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#include <Columns/ColumnArray.h>
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#include <Columns/ColumnsNumber.h>
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#include <Columns/ColumnConst.h>
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#include <Interpreters/castColumn.h>
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#include <Common/typeid_cast.h>
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#include <ext/range.h>
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#include <ext/map.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int LOGICAL_ERROR;
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extern const int ILLEGAL_TYPE_OF_ARGUMENT;
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}
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class FunctionArrayHasAllAny : public IFunction
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{
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public:
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FunctionArrayHasAllAny(GatherUtils::ArraySearchType search_type_, const char * name_)
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: search_type(search_type_), name(name_) {}
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String getName() const override { return name; }
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bool isVariadic() const override { return false; }
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size_t getNumberOfArguments() const override { return 2; }
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
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{
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for (auto i : ext::range(0, arguments.size()))
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{
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auto array_type = typeid_cast<const DataTypeArray *>(arguments[i].get());
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if (!array_type)
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throw Exception("Argument " + std::to_string(i) + " for function " + getName() + " must be an array but it has type "
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+ arguments[i]->getName() + ".", ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
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}
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return std::make_shared<DataTypeUInt8>();
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}
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ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t input_rows_count) const override
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{
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size_t num_args = arguments.size();
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DataTypePtr common_type = getLeastSupertype(ext::map(arguments, [](auto & arg) { return arg.type; }));
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Columns preprocessed_columns(num_args);
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for (size_t i = 0; i < num_args; ++i)
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preprocessed_columns[i] = castColumn(arguments[i], common_type);
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std::vector<std::unique_ptr<GatherUtils::IArraySource>> sources;
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for (auto & argument_column : preprocessed_columns)
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{
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bool is_const = false;
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if (const auto * argument_column_const = typeid_cast<const ColumnConst *>(argument_column.get()))
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{
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is_const = true;
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argument_column = argument_column_const->getDataColumnPtr();
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}
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if (const auto * argument_column_array = typeid_cast<const ColumnArray *>(argument_column.get()))
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sources.emplace_back(GatherUtils::createArraySource(*argument_column_array, is_const, input_rows_count));
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else
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throw Exception{"Arguments for function " + getName() + " must be arrays.", ErrorCodes::LOGICAL_ERROR};
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}
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auto result_column = ColumnUInt8::create(input_rows_count);
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auto * result_column_ptr = typeid_cast<ColumnUInt8 *>(result_column.get());
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GatherUtils::sliceHas(*sources[0], *sources[1], search_type, *result_column_ptr);
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return result_column;
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}
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bool useDefaultImplementationForConstants() const override { return true; }
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private:
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GatherUtils::ArraySearchType search_type;
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const char * name;
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};
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}
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