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wrong results for hashagg #1104

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zhouyuan opened this issue Sep 7, 2022 · 0 comments
Open

wrong results for hashagg #1104

zhouyuan opened this issue Sep 7, 2022 · 0 comments
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bug Something isn't working

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@zhouyuan
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zhouyuan commented Sep 7, 2022 •
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Describe the bug
This is a rare case of hashagg over multiple columns, as the keys are combined into one "row" like String, some different rows will be counted into one group

To Reproduce

group by col_a, col_b

col_a col_b
"ab" "ab"
"a" "bab"
"aba" "b"
"abab" ""

Expected behavior
fix the hash conflict in the above case

Additional context
N/A
@zhouyuan zhouyuan added the bug Something isn't working label Sep 7, 2022
@github-actions github-actions bot mentioned this issue Sep 7, 2022
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@zhouyuan zhouyuan mentioned this issue Sep 7, 2022
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