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Range check in h3EdgeAngle function

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This commit is contained in:
Alexey Milovidov 2020-05-06 22:35:59 +03:00
parent 2be5c7c420
commit 5f498ad9d9
1 changed files with 8 additions and 0 deletions
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8
src/Functions/h3EdgeAngle.cpp
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@ -5,12 +5,15 @@
# include <Functions/FunctionFactory.h>
# include <Functions/IFunction.h>
# include <Common/typeid_cast.h>
# include <IO/WriteHelpers.h>
# include <ext/range.h>
# if __has_include(<h3/h3api.h>)
# include <h3/h3api.h>
# include <h3/constants.h>
# else
# include <h3api.h>
# include <constants.h>
# endif
@ -19,7 +22,9 @@ namespace DB
namespace ErrorCodes
{
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
extern const int ARGUMENT_OUT_OF_BOUND;
}
class FunctionH3EdgeAngle : public IFunction
{
public:
@ -54,6 +59,9 @@ public:
for (const auto row : ext::range(0, input_rows_count))
{
const int resolution = col_hindex->getUInt(row);
if (resolution > MAX_H3_RES)
throw Exception("The argument 'resolution' (" + toString(resolution) + ") of function " + getName()
+ " is out of bounds because the maximum resolution in H3 library is " + toString(MAX_H3_RES), ErrorCodes::ARGUMENT_OUT_OF_BOUND);
// Numerical constant is 180 degrees / pi / Earth radius, Earth radius is from h3 sources
Float64 res = 8.99320592271288084e-6 * edgeLengthM(resolution);