1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
#include "clickhouse_config.h"
#if USE_H3
#include <Columns/ColumnArray.h>
#include <Columns/ColumnsNumber.h>
#include <DataTypes/DataTypeArray.h>
#include <DataTypes/DataTypesNumber.h>
#include <Functions/FunctionFactory.h>
#include <Functions/IFunction.h>
#include <Common/typeid_cast.h>
#include <IO/WriteHelpers.h>
#include <h3api.h>
namespace DB
{
namespace ErrorCodes
{
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
extern const int ILLEGAL_COLUMN;
}
namespace
{
class FunctionH3GetUnidirectionalEdge : public IFunction
{
public:
static constexpr auto name = "h3GetUnidirectionalEdge";
static FunctionPtr create(ContextPtr) { return std::make_shared<FunctionH3GetUnidirectionalEdge>(); }
std::string getName() const override { return name; }
size_t getNumberOfArguments() const override { return 2; }
bool useDefaultImplementationForConstants() const override { return true; }
bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return true; }
DataTypePtr getReturnTypeImpl(const DataTypes & arguments) const override
{
const auto * arg = arguments[0].get();
if (!WhichDataType(arg).isUInt64())
throw Exception(
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arg->getName(), 1, getName());
arg = arguments[1].get();
if (!WhichDataType(arg).isUInt64())
throw Exception(
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT,
"Illegal type {} of argument {} of function {}. Must be UInt64",
arg->getName(), 2, getName());
return std::make_shared<DataTypeUInt64>();
}
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_hindex_origin = checkAndGetColumn<ColumnUInt64>(non_const_arguments[0].column.get());
if (!col_hindex_origin)
throw Exception(
ErrorCodes::ILLEGAL_COLUMN,
"Illegal type {} of argument {} of function {}. Must be UInt64.",
arguments[0].type->getName(),
1,
getName());
const auto & data_hindex_origin = col_hindex_origin->getData();
const auto * col_hindex_dest = checkAndGetColumn<ColumnUInt64>(non_const_arguments[1].column.get());
if (!col_hindex_dest)
throw Exception(
ErrorCodes::ILLEGAL_COLUMN,
"Illegal type {} of argument {} of function {}. Must be UInt64.",
arguments[1].type->getName(),
2,
getName());
const auto & data_hindex_dest = col_hindex_dest->getData();
auto dst = ColumnVector<UInt64>::create();
auto & dst_data = dst->getData();
dst_data.resize(input_rows_count);
for (size_t row = 0; row < input_rows_count; ++row)
{
const UInt64 origin = data_hindex_origin[row];
const UInt64 dest = data_hindex_dest[row];
if (!isValidCell(origin))
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Invalid origin H3 index: {}", origin);
if (!isValidCell(dest))
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Invalid dest H3 index: {}", dest);
UInt64 res = getUnidirectionalEdge(origin, dest);
dst_data[row] = res;
}
return dst;
}
/// suppress asan errors generated by the following:
/// 'NEW_ADJUSTMENT_III' defined in '../contrib/h3/src/h3lib/lib/algos.c:142:24
/// 'NEW_DIGIT_III' defined in '../contrib/h3/src/h3lib/lib/algos.c:121:24
__attribute__((no_sanitize_address)) static inline UInt64 getUnidirectionalEdge(const UInt64 origin, const UInt64 dest)
{
const UInt64 res = cellsToDirectedEdge(origin, dest);
return res;
}
};
}
REGISTER_FUNCTION(H3GetUnidirectionalEdge)
{
factory.registerFunction<FunctionH3GetUnidirectionalEdge>();
}
}
#endif
|
