ClickHouse/src/Functions/s2RectAdd.cpp

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#include "config_functions.h"
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#if USE_S2_GEOMETRY
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#include <Columns/ColumnsNumber.h>
#include <Columns/ColumnTuple.h>
#include <DataTypes/DataTypesNumber.h>
#include <DataTypes/DataTypeTuple.h>
#include <Functions/FunctionFactory.h>
#include <Common/typeid_cast.h>
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#include <base/range.h>
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#include "s2_fwd.h"
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namespace DB
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{
namespace ErrorCodes
{
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
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extern const int BAD_ARGUMENTS;
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extern const int ILLEGAL_COLUMN;
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}
namespace
{
class FunctionS2RectAdd : public IFunction
{
public:
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static constexpr auto name = "s2RectAdd";
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static FunctionPtr create(ContextPtr)
{
return std::make_shared<FunctionS2RectAdd>();
}
std::string getName() const override
{
return name;
}
size_t getNumberOfArguments() const override { return 3; }
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bool useDefaultImplementationForConstants() const override { return true; }
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bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return true; }
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DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
{
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for (size_t index = 0; index < getNumberOfArguments(); ++index)
{
const auto * arg = arguments[index].get();
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if (!WhichDataType(arg).isUInt64())
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throw Exception(
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
"Illegal type {} of argument {} of function {}. Must be UInt64",
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arg->getName(), index, getName());
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}
DataTypePtr element = std::make_shared<DataTypeUInt64>();
return std::make_shared<DataTypeTuple>(DataTypes{element, element});
}
ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t input_rows_count) const override
{
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auto non_const_arguments = arguments;
for (auto & argument : non_const_arguments)
argument.column = argument.column->convertToFullColumnIfConst();
const auto * col_lo = checkAndGetColumn<ColumnUInt64>(non_const_arguments[0].column.get());
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if (!col_lo)
throw Exception(
ErrorCodes::ILLEGAL_COLUMN,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arguments[0].type->getName(),
1,
getName());
const auto & data_low = col_lo->getData();
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const auto * col_hi = checkAndGetColumn<ColumnUInt64>(non_const_arguments[1].column.get());
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if (!col_hi)
throw Exception(
ErrorCodes::ILLEGAL_COLUMN,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arguments[1].type->getName(),
2,
getName());
const auto & data_hi = col_hi->getData();
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const auto * col_point = checkAndGetColumn<ColumnUInt64>(non_const_arguments[2].column.get());
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if (!col_point)
throw Exception(
ErrorCodes::ILLEGAL_COLUMN,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arguments[2].type->getName(),
3,
getName());
const auto & data_point = col_point->getData();
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auto col_res_first = ColumnUInt64::create();
auto col_res_second = ColumnUInt64::create();
auto & vec_res_first = col_res_first->getData();
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vec_res_first.reserve(input_rows_count);
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auto & vec_res_second = col_res_second->getData();
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vec_res_second.reserve(input_rows_count);
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for (size_t row = 0; row < input_rows_count; ++row)
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{
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const auto lo = S2CellId(data_low[row]);
const auto hi = S2CellId(data_hi[row]);
const auto point = S2CellId(data_point[row]);
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if (!lo.is_valid() || !hi.is_valid())
throw Exception(ErrorCodes::BAD_ARGUMENTS, "Rectangle is not valid");
if (!point.is_valid())
throw Exception(ErrorCodes::BAD_ARGUMENTS, "Point is not valid");
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S2LatLngRect rect(lo.ToLatLng(), hi.ToLatLng());
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rect.AddPoint(point.ToPoint());
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vec_res_first.emplace_back(S2CellId(rect.lo()).id());
vec_res_second.emplace_back(S2CellId(rect.hi()).id());
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}
return ColumnTuple::create(Columns{std::move(col_res_first), std::move(col_res_second)});
}
};
}
REGISTER_FUNCTION(S2RectAdd)
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{
factory.registerFunction<FunctionS2RectAdd>();
}
}
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#endif