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[SPARK-23922][SQL] Add arrays_overlap function - #21028

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mgaido91 wants to merge 28 commits into
apache:masterfrom
mgaido91:SPARK-23922
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[SPARK-23922][SQL] Add arrays_overlap function#21028
mgaido91 wants to merge 28 commits into
apache:masterfrom
mgaido91:SPARK-23922

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What changes were proposed in this pull request?

The PR adds the function arrays_overlap. This function returns true if the input arrays contain a non-null common element; if not, it returns null if any of the arrays contains a null element, false otherwise.

How was this patch tested?

added UTs

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@mgaido91@SparkQA@gatorsmile@kiszk@cloud-fan@ueshin@mn-mikke@HyukjinKwon