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Disable finish sort with sorted chunks

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This commit is contained in:
Igor Nikonov 2022-07-14 21:02:44 +00:00
parent 7cd12393c2
commit 1efdb4e3e5
2 changed files with 12 additions and 11 deletions
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1
src/Core/SortDescription.cpp
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@ -3,6 +3,7 @@
#include <IO/Operators.h> #include <IO/Operators.h>
#include <Common/JSONBuilder.h> #include <Common/JSONBuilder.h>
#include <Common/SipHash.h> #include <Common/SipHash.h>
#if USE_EMBEDDED_COMPILER #if USE_EMBEDDED_COMPILER
#include <DataTypes/Native.h> #include <DataTypes/Native.h>
#include <Interpreters/JIT/compileFunction.h> #include <Interpreters/JIT/compileFunction.h>

22
src/Processors/QueryPlan/SortingStep.cpp
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@ -274,17 +274,17 @@ void SortingStep::transformPipeline(QueryPipelineBuilder & pipeline, const Build
if (input_sort_mode == DataStream::SortMode::Chunk) if (input_sort_mode == DataStream::SortMode::Chunk)
{ {
if (result_description.hasPrefix(input_sort_desc)) // if (result_description.hasPrefix(input_sort_desc))
{ // {
LOG_DEBUG(getLogger(), "FinishSorting, SortMode::Chunk"); // LOG_DEBUG(getLogger(), "FinishSorting, SortMode::Chunk");
bool need_finish_sorting = (input_sort_desc.size() < result_description.size()); // bool need_finish_sorting = (input_sort_desc.size() < result_description.size());
mergingSorted(pipeline, input_sort_desc, (need_finish_sorting ? 0 : limit)); // mergingSorted(pipeline, input_sort_desc, (need_finish_sorting ? 0 : limit));
if (need_finish_sorting) // if (need_finish_sorting)
{ // {
finishSorting(pipeline, input_sort_desc); // finishSorting(pipeline, input_sort_desc);
} // }
return; // return;
} // }
/// almost full sort but chunks are already sorted, so skipping partial sort /// almost full sort but chunks are already sorted, so skipping partial sort
if (input_sort_desc.hasPrefix(result_description)) if (input_sort_desc.hasPrefix(result_description))