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invalid values handler

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This commit is contained in:
Mikhail Surin 2018-07-06 14:29:14 +03:00
parent 0418f179dc
commit 8c4f04c452
1 changed files with 7 additions and 0 deletions
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7
dbms/src/AggregateFunctions/AggregateFunctionHistogram.h
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@ -18,6 +18,7 @@
#include <AggregateFunctions/IAggregateFunction.h> #include <AggregateFunctions/IAggregateFunction.h>
#include <math.h>
#include <queue> #include <queue>
#include <stddef.h> #include <stddef.h>
@ -27,6 +28,7 @@ namespace DB
namespace ErrorCodes namespace ErrorCodes
{ {
extern const int TOO_LARGE_ARRAY_SIZE; extern const int TOO_LARGE_ARRAY_SIZE;
extern const int INCORRECT_DATA;
} }
/** /**
@ -206,6 +208,11 @@ public:
void add(Mean value, Weight weight, UInt32 max_bins) void add(Mean value, Weight weight, UInt32 max_bins)
{ {
// nans break sort and compression
// infs don't fit in bins partition method
if (isnan(value) || isinf(value))
throw Exception("invalid value for aggregation", ErrorCodes::INCORRECT_DATA);
points[size] = {value, weight}; points[size] = {value, weight};
++size; ++size;
lower_bound = std::min(lower_bound, value); lower_bound = std::min(lower_bound, value);