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[CH] support Levenshtein distance #6108

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merged 3 commits into from
Jun 21, 2024
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liuneng1994
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What changes were proposed in this pull request?

support function Levenshtein distance

How was this patch tested?

unit tests

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Thanks for opening a pull request!

Could you open an issue for this pull request on Github Issues?

https://github.com/apache/incubator-gluten/issues

Then could you also rename commit message and pull request title in the following format?

[GLUTEN-${ISSUES_ID}][COMPONENT]feat/fix: ${detailed message}

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Run Gluten Clickhouse CI

@liuneng1994
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need pr ClickHouse/ClickHouse#65269

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Run Gluten Clickhouse CI

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Run Gluten Clickhouse CI

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@zzcclp zzcclp left a comment

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LGTM

@zzcclp zzcclp merged commit 7a4a07f into apache:main Jun 21, 2024
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===== Performance report for TPCH SF2000 with Velox backend, for reference only ====

query log/native_6108_time.csv log/native_master_06_20_2024_88394d172_time.csv difference percentage
q1 35.10 36.97 1.876 105.34%
q2 23.43 23.50 0.074 100.31%
q3 40.21 41.16 0.949 102.36%
q4 32.20 32.84 0.641 101.99%
q5 72.29 70.20 -2.086 97.11%
q6 10.52 11.64 1.124 110.68%
q7 80.73 83.85 3.114 103.86%
q8 87.31 86.37 -0.938 98.93%
q9 125.07 122.66 -2.410 98.07%
q10 46.74 49.71 2.977 106.37%
q11 20.54 20.24 -0.304 98.52%
q12 28.01 26.34 -1.670 94.04%
q13 37.83 39.09 1.263 103.34%
q14 20.41 18.79 -1.626 92.03%
q15 31.26 31.90 0.637 102.04%
q16 14.02 12.79 -1.237 91.18%
q17 103.81 103.50 -0.315 99.70%
q18 146.67 149.22 2.545 101.74%
q19 13.76 13.88 0.116 100.84%
q20 30.87 29.28 -1.595 94.83%
q21 263.07 262.43 -0.634 99.76%
q22 12.05 12.36 0.315 102.62%
total 1275.90 1278.71 2.816 100.22%

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3 participants