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#include "clickhouse_config.h"
#if USE_S2_GEOMETRY
#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>
#include <base/range.h>
#error #include "s2_fwd.h"
namespace DB
{
namespace ErrorCodes
{
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
extern const int BAD_ARGUMENTS;
extern const int ILLEGAL_COLUMN;
}
namespace
{
class FunctionS2RectUnion : public IFunction
{
public:
static constexpr auto name = "s2RectUnion";
static FunctionPtr create(ContextPtr)
{
return std::make_shared<FunctionS2RectUnion>();
}
std::string getName() const override
{
return name;
}
size_t getNumberOfArguments() const override { return 4; }
bool useDefaultImplementationForConstants() const override { return true; }
bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return true; }
DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
{
for (size_t i = 0; i < getNumberOfArguments(); ++i)
{
const auto * arg = arguments[i].get();
if (!WhichDataType(arg).isUInt64())
throw Exception(
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arg->getName(), i + 1, getName());
}
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
{
auto non_const_arguments = arguments;
for (auto & argument : non_const_arguments)
argument.column = argument.column->convertToFullColumnIfConst();
const auto * col_lo1 = checkAndGetColumn<ColumnUInt64>(non_const_arguments[0].column.get());
if (!col_lo1)
throw Exception(
ErrorCodes::ILLEGAL_COLUMN,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arguments[0].type->getName(),
1,
getName());
const auto & data_lo1 = col_lo1->getData();
const auto * col_hi1 = checkAndGetColumn<ColumnUInt64>(non_const_arguments[1].column.get());
if (!col_hi1)
throw Exception(
ErrorCodes::ILLEGAL_COLUMN,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arguments[1].type->getName(),
2,
getName());
const auto & data_hi1 = col_hi1->getData();
const auto * col_lo2 = checkAndGetColumn<ColumnUInt64>(non_const_arguments[2].column.get());
if (!col_lo2)
throw Exception(
ErrorCodes::ILLEGAL_COLUMN,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arguments[2].type->getName(),
3,
getName());
const auto & data_lo2 = col_lo2->getData();
const auto * col_hi2 = checkAndGetColumn<ColumnUInt64>(non_const_arguments[3].column.get());
if (!col_hi2)
throw Exception(
ErrorCodes::ILLEGAL_COLUMN,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arguments[3].type->getName(),
4,
getName());
const auto & data_hi2 = col_hi2->getData();
auto col_res_first = ColumnUInt64::create();
auto col_res_second = ColumnUInt64::create();
auto & vec_res_first = col_res_first->getData();
vec_res_first.reserve(input_rows_count);
auto & vec_res_second = col_res_second->getData();
vec_res_second.reserve(input_rows_count);
for (size_t row = 0; row < input_rows_count; ++row)
{
const auto lo1 = S2CellId(data_lo1[row]);
const auto hi1 = S2CellId(data_hi1[row]);
const auto lo2 = S2CellId(data_lo2[row]);
const auto hi2 = S2CellId(data_hi2[row]);
S2LatLngRect rect1(lo1.ToLatLng(), hi1.ToLatLng());
S2LatLngRect rect2(lo2.ToLatLng(), hi2.ToLatLng());
if (!rect1.is_valid() || !rect2.is_valid())
throw Exception(ErrorCodes::BAD_ARGUMENTS,
"Rectangle is invalid. For valid rectangles the latitude bounds do not exceed "
"Pi/2 in absolute value and the longitude bounds do not exceed Pi in absolute value. "
"Also, if either the latitude or longitude bound is empty then both must be. ");
S2LatLngRect rect_union = rect1.Union(rect2);
vec_res_first.emplace_back(S2CellId(rect_union.lo()).id());
vec_res_second.emplace_back(S2CellId(rect_union.hi()).id());
}
return ColumnTuple::create(Columns{std::move(col_res_first), std::move(col_res_second)});
}
};
}
REGISTER_FUNCTION(S2RectUnion)
{
factory.registerFunction<FunctionS2RectUnion>();
}
}
#endif
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