ClickHouse/dbms/include/DB/AggregateFunctions/AggregateFunctionDebug.h

91 lines
1.6 KiB
C
Raw Normal View History

#include <DB/AggregateFunctions/IUnaryAggregateFunction.h>
namespace DB
{
/** Сделано в целях отладки. Подлежит удалению.
*/
struct AggregateFunctionDebugData
{
UInt32 value;
AggregateFunctionDebugData()
{
value = 0xAAAAAAAA;
if (rand() % 1000 == 0)
throw Exception("Test1");
}
~AggregateFunctionDebugData()
{
try
{
if (value == 0xDEADDEAD)
throw Exception("Double free");
if (value != 0xAAAAAAAA)
throw Exception("Corruption");
}
catch (...)
{
tryLogCurrentException(__PRETTY_FUNCTION__);
std::terminate();
}
value = 0xDEADDEAD;
}
};
class AggregateFunctionDebug final : public IUnaryAggregateFunction<AggregateFunctionDebugData, AggregateFunctionDebug>
{
public:
String getName() const { return "debug"; }
DataTypePtr getReturnType() const
{
return new DataTypeUInt32;
}
void setArgument(const DataTypePtr & argument)
{
}
void addOne(AggregateDataPtr place, const IColumn & column, size_t row_num) const
{
if (rand() % 1000 == 0)
throw Exception("Test2");
}
void merge(AggregateDataPtr place, ConstAggregateDataPtr rhs) const
{
if (rand() % 1000 == 0)
throw Exception("Test3");
}
void serialize(ConstAggregateDataPtr place, WriteBuffer & buf) const
{
if (rand() % 1000 == 0)
throw Exception("Test4");
}
void deserializeMerge(AggregateDataPtr place, ReadBuffer & buf) const
{
if (rand() % 1000 == 0)
throw Exception("Test5");
}
void insertResultInto(ConstAggregateDataPtr place, IColumn & to) const
{
if (rand() % 1000 == 0)
throw Exception("Test6");
static_cast<ColumnUInt32 &>(to).getData().push_back(123);
}
};
}