Port the code for find_in_set from PR #12391 of apache arrow #131
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Thanks for opening a pull request! If this is not a minor PR. Could you open an issue for this pull request on JIRA? https://issues.apache.org/jira/browse/ARROW Opening JIRAs ahead of time contributes to the Openness of the Apache Arrow project. Then could you also rename pull request title in the following format? or See also: |
zhouyuan
reviewed
Jul 25, 2022
| EXPECT_EQ(result, 0); | ||
| result = find_in_set_utf8_utf8(ctx_ptr, "E,E", 3, "A,B,C,D,EE,F", 12); | ||
| EXPECT_EQ(result, 0); | ||
| result = find_in_set_utf8_utf8(ctx_ptr, "C", 1, "A,B,,,,,,,C,,,,,", 16); |
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this seems not correct?
SELECT find_in_set('a','ab,,a,ac');
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It's right result. The result is 1-based and the empty part between two "," is also viewed as one element.
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