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[SPARK-20494] Implement UDF array_unique in Spark with codegen - #17778
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janewangfb wants to merge 1 commit into
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[SPARK-20494] Implement UDF array_unique in Spark with codegen#17778janewangfb wants to merge 1 commit into
janewangfb wants to merge 1 commit into
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AmplabJenkins
commented
Apr 27, 2017
Can one of the admins verify this patch? |
HyukjinKwon
commented
Apr 27, 2017
Member
Hi @janewangfb, it looks we need a JIRA, better PR title and PR description. Please check out http://spark.apache.org/contributing.html. |
srowen
commented
Apr 27, 2017
Member
Why does this need to be added? If it isn't a standard function somewhere it probably doesn't need to be in Spark |
janewangfb
commented
Apr 27, 2017
ContributorAuthor
@srowen We have array_contains UDF. I think it is nice to have one that removes all the duplicated elements. |
srowen
commented
Apr 27, 2017
Member
@janewangfb that's because |
srowen
commented
May 6, 2017
Member
We should close this |
zifeif2 pushed a commit
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Nov 22, 2025
## What changes were proposed in this pull request? This PR proposes to close PRs ... - inactive to the review comments more than a month - WIP and inactive more than a month - with Jenkins build failure but inactive more than a month - suggested to be closed and no comment against that - obviously looking inappropriate (e.g., Branch 0.5) To make sure, I left a comment for each PR about a week ago and I could not have a response back from the author in these PRs below: Closesapache#11129Closesapache#12085Closesapache#12162Closesapache#12419Closesapache#12420Closesapache#12491Closesapache#13762Closesapache#13837Closesapache#13851Closesapache#13881Closesapache#13891Closesapache#13959Closesapache#14091Closesapache#14481Closesapache#14547Closesapache#14557Closesapache#14686Closesapache#15594Closesapache#15652Closesapache#15850Closesapache#15914Closesapache#15918Closesapache#16285Closesapache#16389Closesapache#16652Closesapache#16743Closesapache#16893Closesapache#16975Closesapache#17001Closesapache#17088Closesapache#17119Closesapache#17272Closesapache#17971 Added: Closesapache#17778Closesapache#17303Closesapache#17872 ## How was this patch tested? N/A Author: hyukjinkwon <gurwls223@gmail.com> Closesapache#18017 from HyukjinKwon/close-inactive-prs.
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What changes were proposed in this pull request?
Add UDF array_unique which return a new array with all the duplicated elements in the original array removed.
How was this patch tested?
Added various unittests in collectionExpressionsSuite.scala and also in spark-shell, created tables with columns of array type and inserted values with duplicated array elements, ran queries with UDF and verified the results.