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[cherry-pick](branch-21) fix conv function get wrong result as parse overflow (#38001) - #38309
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…pache#38001) ``` mysql> select conv('ffffffffffffff', 24, 2); +------------------------------------------------------------------+ | conv('ffffffffffffff', 24, 2) | +------------------------------------------------------------------+ | 1111111111111111111111111111111111111111111111111111111111111111 | +------------------------------------------------------------------+ before get wrong result as 'ffffffffffffff' have beyond the max value of int64, so get max value: std::numeric_limits<int64_t>::max() mysql> select conv('ffffffffffffff', 24, 2); +------------------------------------------------------------------+ | conv('ffffffffffffff', 24, 2) | +------------------------------------------------------------------+ | 1011111001100011011111100110111101001101111010011011110100110111 | +------------------------------------------------------------------+ now change it to parse as uint64_t could get result. But if the value is still overflow, will get max value of uint64_t ```
doris-robot
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Jul 24, 2024
Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
zhangstar333
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Jul 24, 2024
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run buildall |
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clang-tidy review says "All clean, LGTM! 👍" |
doris-robot
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Jul 24, 2024
TeamCity be ut coverage result: |
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Proposed changes
cherry-pick from #38001