Changed-lines coverage:
  PR changed C/C++ lines covered by tests: 85.11% (40/47)

Uncovered changed code (with context):

================================================================================
src/Processors/QueryPlan/MaterializingCTEStep.cpp
================================================================================

--- uncovered block 211-216 ---
      209 |         auto * root = plan.getRootNode();
      210 |         if (!root)
>>    211 |             return;
      212 |         auto * delayed = typeid_cast<DelayedMaterializingCTEsStep *>(root->step.get());
      213 |         if (!delayed || !should_splice_out(*delayed))
      214 |             break;
>>    215 |         if (root->children.size() != 1)
>>    216 |             throw Exception(
      217 |                 ErrorCodes::LOGICAL_ERROR,
      218 |                 "Expected DelayedMaterializingCTEsStep to have exactly one child, got {}",

--- uncovered block 225-225 ---
      223 |     auto * root = plan.getRootNode();
      224 |     if (!root)
>>    225 |         return;
      226 | 
      227 |     /// Walk every node below the root; for each child pointer, while the

--- uncovered block 244-246 ---
      242 |             {
      243 |                 if (!should_splice_out(*delayed))
>>    244 |                     break;
      245 |                 if (child->children.size() != 1)
>>    246 |                     throw Exception(
      247 |                         ErrorCodes::LOGICAL_ERROR,
      248 |                         "Expected DelayedMaterializingCTEsStep to have exactly one child, got {}",
================================================================================
src/Processors/QueryPlan/MaterializingCTEStep.h
================================================================================

--- uncovered block 94-94 ---
       92 | 
       93 | private:
>>     94 |     void updateOutputHeader() override { output_header = getInputHeaders().front(); }
       95 | 
       96 |     std::vector<MaterializedCTEPtr> ctes;
WARNING: Failed to get start time for [Print Uncovered Code] - start time and duration won't be set

--- Coverage counts ---
Lines     : baseline 939,005/1,085,191  ->  current 938,915/1,085,224  (delta -90 / +33)
Functions : baseline 807,107/878,523  ->  current 807,054/878,532  (delta -53 / +9)
Branches  : baseline 308,015/391,058  ->  current 308,018/391,070  (delta +3 / +12)