[SPARK-20778][SQL] Implement array_intersect function. #18010
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Implement array_intersect UDF for intersecting first array with set of arrays.
ericvandenbergfb-zz
changed the title
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Can one of the admins verify this patch? |
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Per comment in the JIRA, I don't think this should be added. |
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Implement array_intersect UDF for intersecting first array with set of arrays.
What changes were proposed in this pull request?
Implement a function array_intersect that computes the intersection of first array and remaining arrays. Similar to hive implementation of array intersect.
How was this patch tested?
Added unit tests to validate eval and code gen logic.
Performed testing using spark-shell with similar tests to hive array intersect.