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MCOL-4823 WHERE char_col<varchar_col returns a wrong result of a large table (#2060)

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SCommand StrFilterCmd::duplicate() missed these two lines:

    filterCmd->leftColType = leftColType;
    filterCmd->rightColType = rightColType;

which exist in the parent's FilterCommand::duplicate().

Rewriting the code to avoid duplication by using more inherited
methods/constructors. This reduces the probability of similar bugs
in the future.
This commit is contained in:
Alexander Barkov
2021-08-03 12:53:05 +04:00
committed by GitHub
parent dffef34c78
commit c16b0f6ad7
10 changed files with 161 additions and 45 deletions
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2
primitives/primproc/dictstep.cpp
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@ -697,7 +697,7 @@ SCommand DictStep::duplicate()
ds->filterString = filterString;
ds->filterCount = filterCount;
ds->charsetNumber = charsetNumber;
ds->Command::duplicate(this);
ds->Command::operator=(*this);
return ret;
}