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Posted to issues@arrow.apache.org by "Adam Lippai (Jira)" <ji...@apache.org> on 2022/09/22 20:24:00 UTC

[jira] [Created] (ARROW-17821) Implement zip()

Adam Lippai created ARROW-17821:
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             Summary: Implement zip()
                 Key: ARROW-17821
                 URL: https://issues.apache.org/jira/browse/ARROW-17821
             Project: Apache Arrow
          Issue Type: New Feature
          Components: C++, Python
            Reporter: Adam Lippai


If column A has list(x), column B has list(y), column C has list(z), I'd like to be able to create D = zip(A,B,C) where D would be list(\{ A: x, B: y, C: z}).
x, y, z are types in the example, type of the resulting is D is list(struct).

Other features to consider:
 * Zipping list(struct) with list(x) or list(struct) with list(struct) should be able to merge
 * Zipping A,B into a Map with keys from A, values from B



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