PR changed-lines coverage: 81.67% (147/180, 1 noise lines excluded)

Uncovered changed code (with context):

================================================================================
src/Functions/FunctionTopKFilter.cpp
================================================================================

--- uncovered block 50-50 ---
       48 | 
       49 |     bool isVariadic() const override { return false; }
>>     50 |     bool isInjective(const ColumnsWithTypeAndName &) const override { return false; }
       51 |     bool isSuitableForConstantFolding() const override { return false; }
       52 |     bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return false; }

--- uncovered block 52-52 ---
       50 |     bool isInjective(const ColumnsWithTypeAndName &) const override { return false; }
       51 |     bool isSuitableForConstantFolding() const override { return false; }
>>     52 |     bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return false; }
       53 |     bool isDeterministic() const override { return false; }
       54 |     bool isDeterministicInScopeOfQuery() const override { return false; }

--- uncovered block 61-65 ---
       59 |     {
       60 |         if (arguments.size() != 1)
>>     61 |             throw Exception(
>>     62 |                 ErrorCodes::TOO_FEW_ARGUMENTS_FOR_FUNCTION,
>>     63 |                 "Number of arguments for function {} can't be {}, should be 1",
>>     64 |                 getName(),
>>     65 |                 arguments.size());
       66 | 
       67 |         return std::make_shared<DataTypeUInt8>();

--- uncovered block 70-70 ---
       68 |     }
       69 | 
>>     70 |     DataTypePtr getReturnTypeForDefaultImplementationForDynamic() const override { return std::make_shared<DataTypeUInt8>(); }
       71 | 
       72 |     bool useDefaultImplementationForConstants() const override { return true; }

--- uncovered block 125-132 ---
      123 | 
      124 |         if (collator)
>>    125 |         {
>>    126 |             compare_results.resize(input_rows_count);
>>    127 |             for (size_t i = 0; i < input_rows_count; ++i)
>>    128 |             {
>>    129 |                 int cmp = col.compareAtWithCollation(i, 0, *threshold_col, nulls_direction, *collator);
>>    130 |                 compare_results[i] = static_cast<Int8>(direction * cmp);
>>    131 |             }
>>    132 |         }
      133 |         else
      134 |         {
================================================================================
src/Processors/QueryPlan/ReadFromMergeTree.cpp
================================================================================

--- uncovered block 2058-2058 ---
     2056 |                 if (top_k_filter_info->data_type->isNullable()
     2057 |                     || !top_k_filter_info->data_type->isValueRepresentedByNumber())
>>   2058 |                     return false;
     2059 | 
     2060 |                 if (top_k_filter_info->threshold_tracker

--- uncovered block 2062-2062 ---
     2060 |                 if (top_k_filter_info->threshold_tracker
     2061 |                     && top_k_filter_info->threshold_tracker->getCollator())
>>   2062 |                     return false;
     2063 | 
     2064 |                 return true;
================================================================================
src/Processors/TopKThresholdTracker.cpp
================================================================================

--- uncovered block 15-15 ---
       13 |         return 0;
       14 |     if (lhs_null)
>>     15 |         return sort_desc.nulls_direction;
       16 |     if (rhs_null)
       17 |         return -sort_desc.nulls_direction;

--- uncovered block 17-17 ---
       15 |         return sort_desc.nulls_direction;
       16 |     if (rhs_null)
>>     17 |         return -sort_desc.nulls_direction;
       18 | 
       19 |     if (sort_desc.collator && lhs.getType() == Field::Types::String)

--- uncovered block 20-24 ---
       18 | 
       19 |     if (sort_desc.collator && lhs.getType() == Field::Types::String)
>>     20 |     {
>>     21 |         const auto & l = lhs.safeGet<String>();
>>     22 |         const auto & r = rhs.safeGet<String>();
>>     23 |         return sort_desc.collator->compare(l.data(), l.size(), r.data(), r.size());
>>     24 |     }
       25 | 
       26 |     if (lhs < rhs)
================================================================================
src/Processors/TopKThresholdTracker.h
================================================================================

--- uncovered block 36-36 ---
       34 |     {
       35 |         if (!is_set)
>>     36 |             return true;
       37 | 
       38 |         std::shared_lock lock(mutex);

--- uncovered block 38-43 ---
       36 |             return true;
       37 | 
>>     38 |         std::shared_lock lock(mutex);
>>     39 |         int cmp = compareFields(value, threshold);
>>     40 |         if (sort_desc.direction == 1 && cmp > 0)
>>     41 |             return false;
>>     42 |         if (sort_desc.direction == -1 && cmp < 0)
>>     43 |             return false;
       44 | 
       45 |         return true;

--- uncovered block 45-45 ---
       43 |             return false;
       44 | 
>>     45 |         return true;
       46 |     }
       47 | 
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