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Support nulls and empty for array functions #7338
Support nulls and empty for array functions #7338
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I am inclined to solve this problem by expanding signature's structure because there is one difficulty with User Defined Function. For example, I am Arrow DataFusion's user and I want to define my own
ArrayAppend
implementation (the functionnew_array_append
). And how this function would handle nulls?What do you think about it, @alamb and @jayzhan211?