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Fix for empty permutation

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Alexander Gololobov 2024-11-25 18:30:54 +01:00 committed by GitHub
parent fc61f33bea
commit 12040bbf24
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1 changed files with 4 additions and 2 deletions
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6
src/Interpreters/sortBlock.cpp
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@ -282,10 +282,12 @@ void checkSortedWithPermutationImpl(size_t rows, Comparator compare, UInt64 limi
if (limit && limit < rows) if (limit && limit < rows)
rows = limit; rows = limit;
const bool no_permutaiton = permutation.empty();
for (size_t i = 1; i < rows; ++i) for (size_t i = 1; i < rows; ++i)
{ {
const size_t current_row = permutation[i]; const size_t current_row = no_permutaiton ? i : permutation[i];
const size_t previous_row = permutation[i - 1]; const size_t previous_row = no_permutaiton ? (i - 1) : permutation[i - 1];
if (compare(current_row, previous_row)) if (compare(current_row, previous_row))
throw Exception(ErrorCodes::LOGICAL_ERROR, throw Exception(ErrorCodes::LOGICAL_ERROR,